set theory Crossword Puzzles

SET THEORY 2022-03-17

Across

∵
quote, x'
x
⋅
all, ∀
~
^
∴
↔

Down

+
line, |
⇔
caret, ∨
plus, ⊕
&

15 Clues: + • ∵ • ⇔ • x • ⋅ • ~ • & • ^ • ∴ • ↔ • all, ∀ • line, | • plus, ⊕ • caret, ∨ • quote, x'

Set Theory 2025-02-25

Across

refers to the number of elements in a set.
a set is the set of all possible subsets, including the empty set and the set itself.
means that one set does not contain all the elements of another set.
means that one set does not contain all the elements of another set.
is a set that contains all the elements of another set, plus potentially more.
is a member or a component that belongs to a set.
two sets is the set that contains all the elements from both sets, without repetition.
two sets is the set containing all the elements that are common to both sets.
is a set where all of its elements are also present in another set.

Down

is the set that contains all possible elements relevant to a given context or discussion.
two sets is the set of elements that are in either one set or the other, but not in both.
a set is the set of all elements that are not in the original set, but are within a specific universe or reference set.
in mathematics, means that two things are exactly the same.
in mathematics is a collection of distinct objects, often called elements.
means that a specific object or item does not belong to a particular set.

15 Clues: refers to the number of elements in a set. • is a member or a component that belongs to a set. • in mathematics, means that two things are exactly the same. • is a set where all of its elements are also present in another set. • means that one set does not contain all the elements of another set. • ...

Set Theory 2024-09-02

Across

Difference - ∖ or −
Builder Notation - {x∣P(x)} (the set of all xxx such that P(x) is true)
Set - U or U
or Equal - ⊇
of - ∈
an Element of - ∈
Product - ×

Down

Set - ∅\ or {}
- ⊃
- Ac or Aˉ
Sets - ∩=∅\cap (often used to denote that two sets have no elements in common)
- ⊂
or Equal - ⊆
- ∩
- ∪
Set - P(A) or 2A

16 Clues: - ⊃ • - ⊂ • - ∩ • - ∪ • of - ∈ • - Ac or Aˉ • Product - × • or Equal - ⊆ • Set - U or U • or Equal - ⊇ • Set - ∅\ or {} • Set - P(A) or 2A • an Element of - ∈ • Difference - ∖ or − • Builder Notation - {x∣P(x)} (the set of all xxx such that P(x) is true) • Sets - ∩=∅\cap (often used to denote that two sets have no elements in common)

SET THEORY 2022-03-18

Across

A/B
{}
A×B
A is a subset B. Set is include in set B.
A∩B
A∩B

Down

A=B
collection of 2 elements
A∆B
#A
|A|
P(A)
set membership
such that
x£A

15 Clues: #A • {} • A=B • A∆B • A/B • |A| • A×B • x£A • A∩B • A∩B • P(A) • such that • set membership • collection of 2 elements • A is a subset B. Set is include in set B.

SET THEORY 2022-03-16

Across

A ∪ B
such that
A is a subset of B. set A is included in set B.
a collection of elements
#A
|A|
Ø = { }
A is a superset of B. set A includes set B
A=B

Down

all subsets of A
A ∩ B
A ⊄ B
all the objects that do not belong to set A
{}
set of all possible values

15 Clues: {} • #A • |A| • A=B • A ∪ B • A ∩ B • A ⊄ B • Ø = { } • such that • all subsets of A • a collection of elements • set of all possible values • A is a superset of B. set A includes set B • all the objects that do not belong to set A • A is a subset of B. set A is included in set B.

Set theory 2024-02-24

Across

Subset A set A is said to be a proper subset of a set B if every element of A is also an element of B, and there exists at least one element in B that is not in A.
Product The Cartesian product of two sets A and B is the set of all ordered pairs (a, b) where a is an element of A and b is an element of B.
The intersection of two sets A and B is the set that contains all the elements that are common to both A and B.
Sets Two sets are said to be disjoint if they have no elements in common.
Set The empty set, denoted by ∅ or {}, is the set that contains no elements.
Set The universal set is the set that contains all the objects under consideration in a particular context.
The complement of a set A with respect to a universal set U is the set that contains all the elements in U that are not in A.

Down

Set The power set of a set A is the set that contains all possible subsets of A, including the empty set and the set itself.
The cardinality of a set is the number of elements in the set.
The union of two sets A and B is the set that contains all the elements that are in A or B (or both).
Difference The set difference of two sets A and B is the set that contains all the elements that are in A but not in B.
Equality Two sets A and B are said to be equal if every element of A is also an element of B and every element of B is also an element of A.
A set A is said to be a subset of a set B if every element of A is also an element of B.
An individual object that belongs to a set.
A collection of distinct objects, called elements, that are considered as a whole.

15 Clues: An individual object that belongs to a set. • The cardinality of a set is the number of elements in the set. • Sets Two sets are said to be disjoint if they have no elements in common. • Set The empty set, denoted by ∅ or {}, is the set that contains no elements. • A collection of distinct objects, called elements, that are considered as a whole. • ...

Set Theory 2024-09-02

Across

A ⊂ B
#A
A = B
A ⊄ B
A ⊇ B
Ø
2A

Down

|
|A|
{P}(A)
A ∪ B
A ∩ B
Ac
{ }
A ⊆ B

15 Clues: | • Ø • #A • Ac • 2A • |A| • { } • A ⊂ B • A ∪ B • A ∩ B • A = B • A ⊄ B • A ⊇ B • A ⊆ B • {P}(A)

Set Theory 2022-09-01

Across

The set whose all elements are in another set
Sets that have countable elements
All elements of both sets together
Only the common elements
Each object of the set
Collection of well-defined objects

Down

No common element
The set that has all the elements in consideration
The sets that have same number of elements
All the elements apart from this set
number of elements of the set
List out elements
The sets that have same elements

13 Clues: No common element • List out elements • Each object of the set • Only the common elements • number of elements of the set • The sets that have same elements • Sets that have countable elements • All elements of both sets together • Collection of well-defined objects • All the elements apart from this set • The sets that have same number of elements • ...

Set Theory Vocabulary 2021-02-26

Across

(2 words) Sets that contain exactly the same elements, regardless of order or possible repetition of elements
The set of all elements that two (or more) sets share
(2 words) a set with contents that are clearly determined
(2 words) Sets that do not have any elements in common
Describes the number of elements in a set
Objects in a set
(3 words) A third way of representing sets, the most structured and "mathy" way
(2 words) The number that represents how many elements are in a set
A set that has contents that are completely within another set
(2 words) A way to write a set that involves the listing of elements inside a pair of braces, { }
(2 words) A set that does not have cardinality

Down

(2 words) The union, intersection, or complement of one or more sets
(2 words) Used to show the visual relationship among sets, typically made up of overlapping circles
A collection of objects whose contents can be clearly determined
(2 words) A description of sets using words
Objects in a set
(2 words) A set that doesn't contain any elements
The set of all elements in the universal set that are not in the original set
(2 words) Counting numbers
(2 words) Sets that contain the same number of elements
(2 words) A set that contains all elements being considered
(2 words) A subset that is not equal to another set
(2 words) A set that doesn't contain any elements
(2 words) A set that has cardinality
The set of all elements that are members of one set or another, or both

25 Clues: Objects in a set • Objects in a set • (2 words) Counting numbers • (2 words) A set that has cardinality • Describes the number of elements in a set • (2 words) A description of sets using words • (2 words) A set that does not have cardinality • (2 words) A set that doesn't contain any elements • (2 words) A set that doesn't contain any elements • ...

SET THEORY SYMBOLS 2024-03-04

Across

Z
cardinality of countable ordinal numbers set
R
2A
A ∪ B
set of all possible values
Ac
infinite cardinality of natural numbers set
A ∩ B
collection of 2 elements
a collection of elements

Down

A ⊇ B
A ⊄ B
A ⊆ B
|A|
A×B
C
Ø
A = B
such that

20 Clues: Z • R • C • Ø • 2A • Ac • |A| • A×B • A ⊇ B • A ⊄ B • A ⊆ B • A ∪ B • A = B • A ∩ B • such that • collection of 2 elements • a collection of elements • set of all possible values • infinite cardinality of natural numbers set • cardinality of countable ordinal numbers set

set theory 2024-07-18

Across

The opposite of an intersection
The set containing all elements not in a particular set
A set that contains all possible elements
A set that includes all subsets of another set
A set that is not a subset of another set
A set whose elements are all part of another set

Down

The number of elements in a set
A set with more than one element
An element that belongs to a particular set
A set with exactly one element
A set that contains no elements
A collection of well-defined objects

12 Clues: A set with exactly one element • The number of elements in a set • The opposite of an intersection • A set that contains no elements • A set with more than one element • A collection of well-defined objects • A set that contains all possible elements • A set that is not a subset of another set • An element that belongs to a particular set • ...

SET THEORY 2022-03-18

Across

A ⊖ B
A = B
A ⊆ B
Ø
A is a superset of B. set A includes set B.
(a,b)
a collection of elements
A ∪ B

Down

A - B
|A|
A is a subset of B. set A is included in set B.
A ⊇ B
objects that belong to set A or set B
A ∩ B
|

15 Clues: Ø • | • |A| • A - B • A ⊇ B • A ⊖ B • A ∩ B • A = B • A ⊆ B • (a,b) • A ∪ B • a collection of elements • objects that belong to set A or set B • A is a superset of B. set A includes set B. • A is a subset of B. set A is included in set B.

SET THEORY 2022-03-18

Across

A = B
A ⊆ B
(a,b)
|A|
A ∩ B
A is a superset of B. set A includes set B.
Ø

Down

a collection of elements
A ⊖ B
A ⊇ B
A ∪ B
objects that belong to set A or set B
A - B
A is a subset of B. set A is included in set B.
|

15 Clues: | • Ø • |A| • A ⊖ B • A ⊇ B • A = B • A ⊆ B • A ∪ B • (a,b) • A ∩ B • A - B • a collection of elements • objects that belong to set A or set B • A is a superset of B. set A includes set B. • A is a subset of B. set A is included in set B.

Set Theory 2023-09-19

Across

Set with only one element
Parent set of all the given sets
Set with uncountable elements
Set containing all the elements of given set including extra or same elements

Down

Number of elements of the given set
Set containing elements other than the ones in the given set
Set with common elements of multiple sets
Set containing elements less than or equal to the given set
Set with no elements
Set with countable elements
Set formed by combining two or more sets

11 Clues: Set with no elements • Set with only one element • Set with countable elements • Set with uncountable elements • Parent set of all the given sets • Number of elements of the given set • Set formed by combining two or more sets • Set with common elements of multiple sets • Set containing elements less than or equal to the given set • ...

Set Theory 2024-07-15

Across

a type of operation on set
set of all subsets
set containing all elements
pictorial representation of set
common of all sets

Down

representation of set
combination of all sets
collection of unordered pair of elements
set of elements which are not in given set
compliment of unio n or intersection of any sets
set containing sub elements of set

11 Clues: set of all subsets • common of all sets • representation of set • combination of all sets • a type of operation on set • set containing all elements • pictorial representation of set • set containing sub elements of set • collection of unordered pair of elements • set of elements which are not in given set • compliment of unio n or intersection of any sets

Set Theory Basics 2020-08-09

Across

The number of distinct elements in a set.
The method used: W={x | x is a day of the week}
True or False: {0} is an empty set.
{}
* is an ____ of the set {%, ?, *, @}
Cardinal number of a null set.
Given A = {t, a, r} and B = {a, r, t}. Set A is a ____ of set B.
What is Ԑ ?
A collection of well-defined objects.
{2020, 2021, ...} is a _____ _____of {0, 1, 2,...}

Down

The method used: The set of days in the weekend.
The set N={1, 2, 3, 4, …}.
The method used: W={Saturday, Sunday}
A set that is not finite.
Sets that have the same number of elements.
Given A = {t, a, r} and B = {a, r, t}. Sets A and B are ____ ____.
Cardinal number of {e,v,e}

17 Clues: {} • What is Ԑ ? • A set that is not finite. • The set N={1, 2, 3, 4, …}. • Cardinal number of {e,v,e} • Cardinal number of a null set. • True or False: {0} is an empty set. • * is an ____ of the set {%, ?, *, @} • The method used: W={Saturday, Sunday} • A collection of well-defined objects. • The number of distinct elements in a set. • Sets that have the same number of elements. • ...

Set theory symbols 2020-09-24

Across

|A|
2A
A×B
A ⊇ B
A ⊂ B
(a,b)
A = B
{ }
Ø
{N}0

Down

Ac
A ⊅ B
a∈A
A ∩ B
A ⊆ B
A ∪ B

16 Clues: Ø • Ac • 2A • |A| • A×B • a∈A • { } • {N}0 • A ⊅ B • A ∩ B • A ⊇ B • A ⊆ B • A ⊂ B • (a,b) • A = B • A ∪ B

Set Theory Symbols 2025-02-23

Across

set A is included in set B.
set A includes set B
the number of elements of set A
a collection of elements
infinite cardinality of natural numbers set
such that
objects that belong to set A and set B
both sets have the same members

Down

all the objects that do not belong to set A
objects that belong to set A or set B
A×B
ℂ
ℚ
ℝ
Ø
U

16 Clues: ℂ • ℚ • ℝ • Ø • U • A×B • such that • set A includes set B • a collection of elements • set A is included in set B. • the number of elements of set A • both sets have the same members • objects that belong to set A or set B • objects that belong to set A and set B • all the objects that do not belong to set A • infinite cardinality of natural numbers set

Set Theory Symbols 2025-02-23

Across

such that
all the objects that do not belong to set A
the number of elements of set A
set A includes set B
ℝ
set A is included in set B.
objects that belong to set A or set B
U

Down

both sets have the same members
objects that belong to set A and set B
Ø
infinite cardinality of natural numbers set
A×B
ℚ
ℂ
a collection of elements

16 Clues: Ø • ℚ • ℝ • ℂ • U • A×B • such that • set A includes set B • a collection of elements • set A is included in set B. • both sets have the same members • the number of elements of set A • objects that belong to set A or set B • objects that belong to set A and set B • infinite cardinality of natural numbers set • all the objects that do not belong to set A

Set Theory Symbols 2025-02-23

Across

set A is included in set B.
set A includes set B
the number of elements of set A
a collection of elements
infinite cardinality of natural numbers set
such that
objects that belong to set A and set B
both sets have the same members

Down

all the objects that do not belong to set A
objects that belong to set A or set B
A×B
ℂ
ℚ
ℝ
Ø
U

set theory 2024-07-15

Across

set which is not finite.
combinatoin of a and b
common elements
set of all subset
set containing sub elements of
collection of unorded pair of elements

Down

set of elements which are not in given set
combine of all sets
it is a collection of distinct elements
all the elements of the set B belong to set A,the set B is called as ____ of set A
set containing all elements

11 Clues: common elements • set of all subset • combine of all sets • combinatoin of a and b • set which is not finite. • set containing all elements • set containing sub elements of • collection of unorded pair of elements • it is a collection of distinct elements • set of elements which are not in given set • ...

Set Theory 2022-03-16

Across

Ø
A ∪ B,Elements that belong to set A or set B
A ⊂ B, strict subset
A ⊄ B,left set is not a subset of right set
A ⊇ B,set A has more elements or equal to the set B

Down

A ⊅ B,set X is not a superset of set Y
A ∩ B,Elements that belong to both the sets, A and B
A = B,both sets have the same members
a collection of elements,
A ⊆ B,subset has few or all elements equal to the set

10 Clues: Ø • A ⊂ B, strict subset • a collection of elements, • A = B,both sets have the same members • A ⊅ B,set X is not a superset of set Y • A ⊄ B,left set is not a subset of right set • A ∪ B,Elements that belong to set A or set B • A ⊇ B,set A has more elements or equal to the set B • A ∩ B,Elements that belong to both the sets, A and B • ...

set theory 2024-07-15

Across

set which is not finite.
combinatoin of a and b
common elements
set of all subset
set containing sub elements of
collection of unorded pair of elements

Down

set of elements which are not in given set
combine of all sets
it is a collection of distinct elements
all the elements of the set B belong to set A,the set B is called as ____ of set A
set containing all elements

set theory 2024-07-15

Across

set which is not finite.
combinatoin of a and b
common elements
set of all subset
set containing sub elements of
collection of unorded pair of elements

Down

set of elements which are not in given set
combine of all sets
it is a collection of distinct elements
all the elements of the set B belong to set A,the set B is called as ____ of set A
set containing all elements

set theory 2024-07-15

Across

set which is not finite.
combinatoin of a and b
common elements
set of all subset
set containing sub elements of
collection of unorded pair of elements

Down

set of elements which are not in given set
combine of all sets
it is a collection of distinct elements
all the elements of the set B belong to set A,the set B is called as ____ of set A
set containing all elements

Set theory symbols 2021-09-11

Across

|A|
A ⊂ B
|
A = B
A \ B
Ø
{ }
A ∆ B
A ∪ B

Down

A ⊇ B
A×B
Ac
A ⊆ B
2A
A ∩ B

15 Clues: | • Ø • Ac • 2A • A×B • |A| • { } • A ⊇ B • A ⊂ B • A ⊆ B • A = B • A \ B • A ∩ B • A ∆ B • A ∪ B

SET THEORY SYMBOLS 2021-09-13

Across

A ∆ B
A={x|3<x<14}
A ⊇ B
A \ B
no set membership
A ⊂ B

Down

A ∩ B
all subsets of A
collection of 2 elements
set all subsets of A
the number of elements of set A
example A ∪ B = {3,7,9,14,28}
Ø = { }
a collection of elements
A ⊆ B

15 Clues: A ∩ B • A ∆ B • A ⊇ B • A \ B • A ⊂ B • A ⊆ B • Ø = { } • A={x|3<x<14} • all subsets of A • no set membership • set all subsets of A • collection of 2 elements • a collection of elements • example A ∪ B = {3,7,9,14,28} • the number of elements of set A

SET THEORY SYMBOLS 2022-03-16

Across

symbol name of A ⊄ B
it is a set of all possible values
symbol name of AxB
symbol name of #A
symbol name of AΔB
symbol name of A U B
cardinality of countable ordinal numbers set
Ø = { }
symbol name of |

Down

infinite cardinality of natural numbers set
objects that belong to set A and set B
symbol name of A ⊆ B
symbol name of A ⊇ B
it is a collection of elements
it is a collection of 2 elements; (a,b)

15 Clues: Ø = { } • symbol name of | • symbol name of #A • symbol name of AxB • symbol name of AΔB • symbol name of A ⊄ B • symbol name of A ⊆ B • symbol name of A ⊇ B • symbol name of A U B • it is a collection of elements • it is a set of all possible values • objects that belong to set A and set B • it is a collection of 2 elements; (a,b) • infinite cardinality of natural numbers set • ...

Set Theory Symbols 2022-03-17

Across

A ⊖ B
C
A×B
ℤ
P(A)
Ø
A ∩ B

Down

(a,b)
A ∪ B
U
Q
{ }
ℵ0
#A
A ⊄ B

15 Clues: C • U • Q • ℤ • Ø • ℵ0 • #A • A×B • { } • P(A) • (a,b) • A ∪ B • A ⊖ B • A ⊄ B • A ∩ B

Set Theory Symbols 2022-03-10

Across

the number of elements of set A
all subsets of A
Ø = { }
A is a subset of B.
both sets have the same members
all the objects that do not belong to set A
set A is not a subset of set B
objects that belong to set A or set B

Down

set of all possible values
infinite cardinality of natural numbers set
A is a superset of B.
objects that belong to set A and set B
cardinality of countable ordinal numbers set
such that
a collection of elements

15 Clues: Ø = { } • such that • all subsets of A • A is a subset of B. • A is a superset of B. • a collection of elements • set of all possible values • set A is not a subset of set B • the number of elements of set A • both sets have the same members • objects that belong to set A or set B • objects that belong to set A and set B • infinite cardinality of natural numbers set • ...

Set Theory Symbols 2022-03-12

Across

A∪B
U
A=B
A⊃B
A⊂B
A⊅B
(a,b)
A⊆B

Down

|A|
A∩B
A⊄B
A⊇B
P(A)
{}
Ø

15 Clues: U • Ø • {} • |A| • A∩B • A⊄B • A⊇B • A∪B • A=B • A⊃B • A⊂B • A⊅B • A⊆B • P(A) • (a,b)

SET THEORY SYMBOLS 2023-02-24

Across

objects that belong to set A and set B
A ∪ B
|A| ,#A
set of all possible values
collection of 2 elements
infinite cardinality of natural numbers set
objects that belong to A or B but not to their intersection

Down

a collection of elements
R = {x | -∞ < x <∞}
both sets have the same members
all the objects that do not belong to set A
such that
cardinality of countable ordinal numbers set
Ø
A is a subset of B. set A is included in set B.

15 Clues: Ø • A ∪ B • |A| ,#A • such that • R = {x | -∞ < x <∞} • a collection of elements • collection of 2 elements • set of all possible values • both sets have the same members • objects that belong to set A and set B • all the objects that do not belong to set A • infinite cardinality of natural numbers set • cardinality of countable ordinal numbers set • ...

SET THEORY SYMBOLS 2023-03-06

Across

A ⊇ B
Objects that belong to set A and set B.
A is a subset of B. set A is included in set B.
All subsets of A.
Both sets have the same members.
Set of all possible values.
A ⊄ B
|A|

Down

Infinite cardinality of natural numbers set.
(a,b)
All the objects that do not belong to set A.
Objects that belong to set A or set B.
A ⊅ B
|
A collection of elements.

15 Clues: | • |A| • (a,b) • A ⊇ B • A ⊅ B • A ⊄ B • All subsets of A. • A collection of elements. • Set of all possible values. • Both sets have the same members. • Objects that belong to set A or set B. • Objects that belong to set A and set B. • Infinite cardinality of natural numbers set. • All the objects that do not belong to set A. • A is a subset of B. set A is included in set B.

SET THEORY SYMBOLS 2024-02-19

Across

set of all possible values
all the objects that do not belong to set A
its symbols is Ø
a collection of elements
all subsets of A
A is a subset of B. set A is included in set

Down

A is a superset of B. set A includes set B
the number of elements of set A
both sets have the same members
infinite cardinality of natural numbers set
objects that belong to set A and set B
Symbol is R
to be read as such that
collection of 2 elements
objects that belong to set A or set B

15 Clues: Symbol is R • its symbols is Ø • all subsets of A • to be read as such that • a collection of elements • collection of 2 elements • set of all possible values • the number of elements of set A • both sets have the same members • objects that belong to set A or set B • objects that belong to set A and set B • A is a superset of B. set A includes set B • ...

Set theory symbols 2024-09-01

Across

U
ℵ1
⊃
{}
∩
∅
Ac

Down

|A|
2A
A ⊄ B
∈
=
∪
A ⊆ B
(x, y)

15 Clues: U • ∈ • = • ∪ • ⊃ • ∩ • ∅ • 2A • ℵ1 • {} • Ac • |A| • A ⊄ B • A ⊆ B • (x, y)

SET THEORY SYMBOLS 2024-09-02

Across

⊆
⊈
Δ
⊅
A-B
=
∉
P(A)

Down

∈
∩
⊇
⊂
∪
{}
∅

15 Clues: ⊆ • ∈ • ⊈ • ∩ • ⊇ • ⊂ • ∪ • Δ • ⊅ • ∅ • = • ∉ • {} • A-B • P(A)

Set theory symbols 2024-09-02

Across

AUB
P(A)
(a,b)
Ø
AxB
A\B
Z
A=B

Down

C
Q
R
|A|
|
A∆B
{}

15 Clues: C • Q • R • | • Ø • Z • {} • AUB • |A| • A∆B • AxB • A\B • A=B • P(A) • (a,b)

SET THEORY SYMBOLS 2024-09-03

Across

all the objects that do not belong to set A
A×B
set of all possible values
Ø = { }
objects that belong to set A and set B
(a,b)
infinite cardinality of natural numbers set

Down

a∈A
A ∆ B
A = B
a collection of elements
|A|
A ⊆ B
such that
A ⊇ B

15 Clues: a∈A • A×B • |A| • A ∆ B • A = B • A ⊆ B • A ⊇ B • (a,b) • Ø = { } • such that • a collection of elements • set of all possible values • objects that belong to set A and set B • all the objects that do not belong to set A • infinite cardinality of natural numbers set

SET THEORY SYMBOLS 2024-09-06

Across

set of all ordered pairs from A and B (A × B)
set A has more elements or equal to the set B (A ⊇ B)
both sets have the same members (A = B)
left set is not a subset of right set (A ⊄ B)
a collection of elements ({ })
collection of 2 elements (a, b)
Ø = { }
all the objects that do not belong to set A (Ac)
Elements that belong to set A or set B (A ∪ B)

Down

set X is not a superset of set Y (A ⊅ B)
Elements that belong to both the sets, A and B (A ∩ B)
has few or all elements equal to the set (A ⊆ B)
set membership (a ∈ B)
the number of elements of set B (|B|)
all subsets of C (P (C))

15 Clues: Ø = { } • set membership (a ∈ B) • all subsets of C (P (C)) • a collection of elements ({ }) • collection of 2 elements (a, b) • the number of elements of set B (|B|) • both sets have the same members (A = B) • set X is not a superset of set Y (A ⊅ B) • set of all ordered pairs from A and B (A × B) • left set is not a subset of right set (A ⊄ B) • ...

Set Theory Symbols 2023-09-12

Across

A∪B
C
Q
A∩B
A∆B
A⊃B
A⊇B

Down

A⊆B
Z
a∈B
A=B
x∉A
{ }
Ø
R

15 Clues: Z • C • Q • Ø • R • A⊆B • A∪B • a∈B • A=B • x∉A • { } • A∩B • A∆B • A⊃B • A⊇B

Set Theory Symbols 2023-09-08

Across

∅={ }
objects that belong to A and not to B
objects that belong to SET A or SET B
all of the objects do not belong to SET A
the number of elements of set A
set of all ordered pairs from A and B
all subsets of A

Down

objects that belong to SET A and SET B
a collection of elements
no set membership
collection of two elements
set membership
both sets have the same members
infinite cardinality are natural numbers set
set of possible values

15 Clues: ∅={ } • set membership • all subsets of A • no set membership • set of possible values • a collection of elements • collection of two elements • both sets have the same members • the number of elements of set A • objects that belong to A and not to B • objects that belong to SET A or SET B • objects that belong to SET A and SET B • set of all ordered pairs from A and B • ...

Set Theory Symbols 2023-09-08

Across

Both sets have the same members
Objects that belong to set A and set B
A is a subset of B, but A is not equal to B
Set A is not a subset of set B
Objects that belong to set A or set B

Down

Objects that belong to A or B but not to their intersection
It is presented by the symbol "ø= {}"
Infinite cardinality of natural numbers set
All the objects that do not belong to set A
Collection of 2 elements
Presented by the symbol "{ }"
All subsets of A
The number of elements of set A
A is a superset of B, set A includes set B
A is a subset of B. Set A is included in set B

15 Clues: All subsets of A • Collection of 2 elements • Presented by the symbol "{ }" • Set A is not a subset of set B • Both sets have the same members • The number of elements of set A • It is presented by the symbol "ø= {}" • Objects that belong to set A or set B • Objects that belong to set A and set B • A is a superset of B, set A includes set B • ...

SET THEORY SYMBOLS 2023-09-11

Across

A IS SUBSET OF B.SET A IS INCLUDED IN SET B
INFINITE CARDINALITY OF NATURAL NUMBER SET
SET MEMBERSHIP
ALL SUBSETS OF A
A IS SUPERSET OF B.SET A IS INCLUDED IN SET B
THE NUMBER OF ELEMENTS OF SET A
A COLLECTION OF ELEMENTS

Down

SET OF ALL ORDERED PAIRS FROM A AND B
CARDINALITY OF COUNTABLE ORDINAL NUMBER SET
ALL OBJECTS THAT DO NOT BELONG TO SET A
COLLECTION OF 2 ELEMENTS
SET OF ALL POSSIBLE VALUES
BOTH SETS HAVE THE SAME MEMBERS
OBJECTS THAT BELONG TO SET A AND SET B
OBJECTS THAT BELONG TO A OR B BUT NOT TO THEIR INTERSECTION

15 Clues: SET MEMBERSHIP • ALL SUBSETS OF A • COLLECTION OF 2 ELEMENTS • A COLLECTION OF ELEMENTS • SET OF ALL POSSIBLE VALUES • BOTH SETS HAVE THE SAME MEMBERS • THE NUMBER OF ELEMENTS OF SET A • SET OF ALL ORDERED PAIRS FROM A AND B • OBJECTS THAT BELONG TO SET A AND SET B • ALL OBJECTS THAT DO NOT BELONG TO SET A • INFINITE CARDINALITY OF NATURAL NUMBER SET • ...

Set Theory Symbols 2025-02-22

Across

the number of elements of set A
set of all possible values
0={}
objects that belong to A and not to B
a is a subset of B. set A is included in set В.
objects that belong to set A or set B
both sets have the same members
a collection of elements

Down

collection of 2 elements
infinite cardinality of natural numbers set
set of all ordered pairs from A and В
a is a superset of B. set A includes set B
objects that belong to set A and set B
all the objects that do not belong to set A
cardinality of countable ordinal numbers set

15 Clues: 0={} • collection of 2 elements • a collection of elements • set of all possible values • the number of elements of set A • both sets have the same members • set of all ordered pairs from A and В • objects that belong to A and not to B • objects that belong to set A or set B • objects that belong to set A and set B • a is a superset of B. set A includes set B • ...

Set Theory Symbols 2025-02-22

Across

Combination of two sets.(5 letters)
Set of all possible values.(12 letters)
Cardinality of countable ordinal number set.(9 letters)
A set that does not contain any element.(∅)
Set of all elements which are common to both A and B.(12 letters)
A collection of elements.(3 letters)
Both sets have the same member.(8 letters)
The number of element of set A.(11 letters)

Down

All the objects that do not belong to set A.(10 letters)
All subsets of A.(8 letters)
Sets whose elements are contained within another set.(6 letters)
Collection of two elements.(11 letters)
Infinite cardinality of natural number set.(10 letters)
Set A is not a subset of set B.(9 letters)
Set membership.(9 letters)

15 Clues: Set membership.(9 letters) • All subsets of A.(8 letters) • Combination of two sets.(5 letters) • A collection of elements.(3 letters) • Collection of two elements.(11 letters) • Set of all possible values.(12 letters) • Set A is not a subset of set B.(9 letters) • Both sets have the same member.(8 letters) • A set that does not contain any element.(∅) • ...

Set Theory Crossword 2026-02-05

Across

— A way to show a set by writing out all its elements.
— A set with endlessly many elements.
— Two sets that have the same number of elements, even if the elements differ.
— A written explanation of what belongs in a set.
— A method of writing a set by listing each element inside braces.
— Two sets that contain exactly the same elements.
— A set made up of numerical values.

Down

— Symbols and formatting used to write sets, such as braces { }.
— A set with a countable number of elements.
— Another name for the empty set.
— A rule or description used to define a set by stating the property its elements share.
— The number of elements in a set.
— A collection of distinct objects, considered as a whole.
— The set of counting numbers (like 1, 2, 3, …).
— A set with no elements.

15 Clues: — A set with no elements. • — Another name for the empty set. • — The number of elements in a set. • — A set made up of numerical values. • — A set with endlessly many elements. • — A set with a countable number of elements. • — The set of counting numbers (like 1, 2, 3, …). • — A written explanation of what belongs in a set. • ...

SET THEORY SYMBOLS 2020-09-22

Across

A ⊄ B
a collection of elements
A ⊆ B
Ac
A ⊇ B
A ∩ B
2A and \mathcal{P}(A)

Down

A \ B
set of all possible values
Ø = { }
A ⊅ B
A ∪ B
|A| and #A
A = B
collection of 2 elements

15 Clues: Ac • A \ B • A ⊄ B • A ⊅ B • A ⊆ B • A ∪ B • A ⊇ B • A = B • A ∩ B • Ø = { } • |A| and #A • 2A and \mathcal{P}(A) • a collection of elements • collection of 2 elements • set of all possible values

Set Theory Symbols 2023-09-09

Across

A⊅B
Ø
A⊇B
A⊆B
A∩B
A∆B
a∈B
A∪B

Down

{}
A⊄B
A⊂B
A\B
|B|
A=B
x∉A

15 Clues: Ø • {} • A⊅B • A⊄B • A⊂B • A\B • |B| • A⊇B • A=B • A⊆B • A∩B • A∆B • a∈B • A∪B • x∉A

SET THEORY SYMBOLS 2023-09-11

Across

A IS SUBSET OF B.SET A IS INCLUDED IN SET B
INFINITE CARDINALITY OF NATURAL NUMBER SET
SET MEMBERSHIP
ALL SUBSETS OF A
A IS SUPERSET OF B.SET A IS INCLUDED IN SET B
THE NUMBER OF ELEMENTS OF SET A
A COLLECTION OF ELEMENTS

Down

SET OF ALL ORDERED PAIRS FROM A AND B
CARDINALITY OF COUNTABLE ORDINAL NUMBER SET
ALL OBJECTS THAT DO NOT BELONG TO SET A
COLLECTION OF 2 ELEMENTS
SET OF ALL POSSIBLE VALUES
BOTH SETS HAVE THE SAME MEMBERS
OBJECTS THAT BELONG TO SET A AND SET B
OBJECTS THAT BELONG TO A OR B BUT NOT TO THEIR INTERSECTION

Set Theory Symbol 2024-02-17

Across

symbol name of #A
set membership a∈A
collection of 2 elements(a,b)
symbol name of ⊇
symbol name of ∩

Down

symbol name of Z
symbol name of ⊖ or ∆
symbol name of A×B
symbol name of ⊆
symbol name of |
symbol name of P(A)
{ }a collection of elements
Ø = { }
symbol name of ℵ0
symbol name of ∪

15 Clues: Ø = { } • symbol name of Z • symbol name of | • symbol name of ⊇ • symbol name of ∪ • symbol name of ∩ • symbol name of #A • symbol name of ⊆ • symbol name of ℵ0 • symbol name of A×B • set membership a∈A • symbol name of P(A) • symbol name of ⊖ or ∆ • { }a collection of elements • collection of 2 elements(a,b)

Set Theory Symbols 2024-02-18

Across

objects that belong to A or B but not to their intersection
A×B
A ∩ B
A ⊇ B
all the objects that do not belong to set A

Down

set of all possible values
(a,b)
A ∪ B
|A|
A = B
A ⊄ B
such that
A ⊆ B
all subsets of A
{ }

15 Clues: A×B • |A| • { } • (a,b) • A ∪ B • A ∩ B • A = B • A ⊄ B • A ⊆ B • A ⊇ B • such that • all subsets of A • set of all possible values • all the objects that do not belong to set A • objects that belong to A or B but not to their intersection

SET THEORY SYMBOLS 2024-09-02

Across

set P(A)
subset ⊂
difference Δ
{}
∪
superset ⊅
⊆
∉

Down

⊈
∩
∅
=
of ∈
⊇
complement A - B

15 Clues: ⊈ • ∩ • ∅ • = • ∪ • ⊇ • ⊆ • ∉ • {} • of ∈ • subset ⊂ • set P(A) • superset ⊅ • difference Δ • complement A - B

set theory symbols 2024-09-02

Across

a collection of elements
both sets have the same numbers
set of all possible values
set A is not a subset of set B
collection of two elements
infinite cardinality of natural numbers set
all the objects that do not belong to set A

Down

set A is not a superset of set B
objects that belong to A and not to B
the numbers of elements of set A
A is a superset of B set A includes set B
A is a subset of B set A is included of set A
objects that belong to set A and set B
all sebsets of A
cardinality of countable ordinal numbers set

15 Clues: all sebsets of A • a collection of elements • set of all possible values • collection of two elements • set A is not a subset of set B • both sets have the same numbers • set A is not a superset of set B • the numbers of elements of set A • objects that belong to A and not to B • objects that belong to set A and set B • A is a superset of B set A includes set B • ...

SET THEORY SYMBOLS 2022-03-16

Across

pair, (a,b)
set, A is a superset of B, set A includes set B
set, set of all possible values
set, ∅
|A|
A ∩ B

Down

set, all subset of A
infinite cardinality of natural numbers set
A U B
A ⊆ B
number set, R= {x | -∞ < x <∞}
difference, A ∆ B
{ }
A = B
bar, |

15 Clues: { } • |A| • A U B • A ⊆ B • A = B • A ∩ B • set, ∅ • bar, | • pair, (a,b) • difference, A ∆ B • set, all subset of A • number set, R= {x | -∞ < x <∞} • set, set of all possible values • infinite cardinality of natural numbers set • set, A is a superset of B, set A includes set B

Set Theory Symbols 2024-09-02

Across

objects that belong to set A or set B
The number of elements of set A
{}
⊆
A is a superset of B, Set A includes set B
all the objects that do not belong to set A
∅={}
Set A is not a superset of set B

Down

both sets have the same members
A is a superset of B, But B is not equal to A
A∩B
Set A is not a subset of set B
All subsets of A
Infinite cardinality of natural numbers set
set membership

15 Clues: ⊆ • {} • A∩B • ∅={} • set membership • All subsets of A • Set A is not a subset of set B • both sets have the same members • The number of elements of set A • Set A is not a superset of set B • objects that belong to set A or set B • A is a superset of B, Set A includes set B • Infinite cardinality of natural numbers set • all the objects that do not belong to set A • ...

Set theory symbols 2023-03-03

Across

A \ B complement
Ac
A×B product
A ⊃ B superset
A = B
2A set
A ∆ B difference
A ∪ B

Down

A ∩ B
(a,b) pair
A ⊂ B subset
|A|
A ⊇ B
A ⊆ B
{}

15 Clues: Ac • {} • |A| • A ∩ B • A ⊇ B • A = B • A ⊆ B • A ∪ B • 2A set • (a,b) pair • A×B product • A ⊂ B subset • A ⊃ B superset • A \ B complement • A ∆ B difference

Set theory symbols 2023-03-03

Across

A ⊂ B subset
A ∩ B
A ∪ B
A ∆ B difference
A \ B complement

Down

A×B product
A = B
|A|
(a,b) pair
A ⊃ B superset
Ac
2A set
A ⊇ B
A ⊆ B
{}

15 Clues: Ac • {} • |A| • A = B • A ∩ B • A ⊇ B • A ⊆ B • A ∪ B • 2A set • (a,b) pair • A×B product • A ⊂ B subset • A ⊃ B superset • A ∆ B difference • A \ B complement

Set Theory Symbols 2021-09-15

Across

Down

negation
+
&
∵
⇒
∀
not-negation
^

15 Clues: ∴ • ⊕ • + • ⇔ • & • ∵ • ⇒ • ∀ • ! • ^ • ⋅ • ∨ • x' • negation • not-negation

SET THEORY SYMBOLS 2021-09-13

Across

A={x|3<x<14}
A ⊆ B
A ⊂ B
A ⊇ B
no set membership
set all subsets of A
A ∆ B

Down

the number of elements of set A
A \ B
Ø = { }
collection of 2 elements
A ∩ B
example A ∪ B = {3,7,9,14,28}
all subsets of A
a collection of elements

15 Clues: A \ B • A ⊆ B • A ⊂ B • A ∩ B • A ⊇ B • A ∆ B • Ø = { } • A={x|3<x<14} • all subsets of A • no set membership • set all subsets of A • collection of 2 elements • a collection of elements • example A ∪ B = {3,7,9,14,28} • the number of elements of set A

SET THEORY SYMBOLS 2021-09-08

Across

no set membership
A ⊇ B
A ⊂ B
A ⊆ B
collection of 2 elements
A={x|3<x<14}
Ø = { }
a collection of elements

Down

A \ B
the number of elements of set A
A ∆ B
all subsets of A
example A ∪ B = {3,7,9,14,28}
set all subsets of A
A ∩ B

15 Clues: A \ B • A ∆ B • A ⊇ B • A ⊂ B • A ⊆ B • A ∩ B • Ø = { } • A={x|3<x<14} • all subsets of A • no set membership • set all subsets of A • collection of 2 elements • a collection of elements • example A ∪ B = {3,7,9,14,28} • the number of elements of set A

Set Theory Symbols 2025-02-23

Across

objects that belong to set A or set B
Ø
U
A×B
objects that belong to set A and set B
set A includes set B
the number of elements of set A
ℚ

Down

ℂ
set A is included in set B.
all the objects that do not belong to set A
ℝ
infinite cardinality of natural numbers set
such that
both sets have the same members

15 Clues: ℂ • ℝ • Ø • U • ℚ • A×B • such that • set A includes set B • set A is included in set B. • both sets have the same members • the number of elements of set A • objects that belong to set A or set B • objects that belong to set A and set B • all the objects that do not belong to set A • infinite cardinality of natural numbers set

Set Theory Symbols 2025-02-23

Across

a collection of elements
infinite cardinality of natural numbers set
ℝ
such that
Ø
objects that belong to set A and set B
all the objects that do not belong to set A
the number of elements of set A
ℂ

Down

set A is included in set B.
both sets have the same members
A×B
objects that belong to set A or set B
set A includes set B
ℚ

15 Clues: ℝ • Ø • ℚ • ℂ • A×B • such that • set A includes set B • a collection of elements • set A is included in set B. • both sets have the same members • the number of elements of set A • objects that belong to set A or set B • objects that belong to set A and set B • infinite cardinality of natural numbers set • all the objects that do not belong to set A

Set theory symbols 2025-02-24

Across

Q
product AXB
AUB
P(A)
use of all possible values
pair (a,b)
Ø

Down

15 Clues: Z • Q • R • C • Ø • A-B • A-C • AUB • |A| • { } • A=B • P(A) • pair (a,b) • product AXB • use of all possible values

Set theory symbols 2025-02-24

Across

A-C
use of all possible values
Ø
P(A)
|A|
{ }
Q
Z

Down

A=B
(a,b)
R
C
AUB
A-B
product AXB

15 Clues: R • C • Ø • Q • Z • A=B • A-C • AUB • A-B • |A| • { } • P(A) • (a,b) • product AXB • use of all possible values

Set Theory Symbols 2025-02-24

Across

∅
A ⊆ B
{}
ℵ0
Ac
a∈A
|A|

Down

A ∩ B
P(A)
U
A ∪ B
A = B
A ⊇ B
ℵ1
(a,b)

15 Clues: ∅ • U • {} • ℵ1 • ℵ0 • Ac • a∈A • |A| • P(A) • A ∩ B • A ⊆ B • A ∪ B • A = B • A ⊇ B • (a,b)

SET THEORY SYMBOLS 2021-09-06

Across

all the objects that do not belong to set A
pair, collection of 2 elements
bar, such that
set, set of all possible values
objects that belong to set A and set B
A is a superset of B. Set A is includes set B

Down

complement, objects that belong to A and not B
the number of elements of set A
a collection of elements
of, set membership
set, all subsets od A
product, set of all ordered pairs from A and B
subset, set A is not subset of set B
both sets have the same members
A is a subset of B set A is included in set B

15 Clues: bar, such that • of, set membership • set, all subsets od A • a collection of elements • pair, collection of 2 elements • the number of elements of set A • set, set of all possible values • both sets have the same members • subset, set A is not subset of set B • objects that belong to set A and set B • all the objects that do not belong to set A • ...

SET THEORY SYMBOLS 2021-09-06

Across

objects that belong to A and not B
set membership
A is a superset of B. Set A is includes set B
set of all ordered pairs from A and B
set of all possible values
the number of elements of set A

Down

set A is not subset of set B
collection of 2 elements
all the objects that do not belong to set A
A is a subset of B set A is included in set B
such that
objects that belong to set A and set B
all subsets of A
both sets have the same members
a collection of elements

15 Clues: such that • set membership • all subsets of A • collection of 2 elements • a collection of elements • set of all possible values • set A is not subset of set B • both sets have the same members • the number of elements of set A • objects that belong to A and not B • set of all ordered pairs from A and B • objects that belong to set A and set B • ...

Set Theory Symbols 2022-03-15

Across

⊆
Ø
∩
⊇
∪
⊂
|A|
U
pair (a,b)

Down

P(A)
|
⊄
{ }
A = B
⊃

15 Clues: | • ⊄ • ⊆ • Ø • ∩ • ⊇ • ∪ • ⊃ • ⊂ • U • { } • |A| • P(A) • A = B • pair (a,b)

Set Theory Symbols 2022-03-16

Across

all subsets of A
A ∆ B
all the objects that do not belong to set A
A ∪ B
|A|
objects that belong to A and not to B
infinite cardinality of natural numbers set
A ⊇ B

Down

objects that belong to set A and set B
A ⊆ B
A×B
A = B
collection of 2 elements
a collection of elements
Ø = { }

15 Clues: A×B • |A| • A ⊆ B • A ∆ B • A = B • A ∪ B • A ⊇ B • Ø = { } • all subsets of A • collection of 2 elements • a collection of elements • objects that belong to A and not to B • objects that belong to set A and set B • all the objects that do not belong to set A • infinite cardinality of natural numbers set

SET THEORY SYMBOLS 2022-09-07

Across

all the objects that do not belong to set A
is a subset of B. set A is included in set B.
objects that belong to set A and set B
set A is not a subset of set B
is a superset of B. set A includes set B
both sets have the same members
cardinality of countable ordinal numbers set

Down

Ø = { }
the number of elements of set A
all subsets of A
objects that belong to set A or set B
set A is not a superset of set B
such that
infinite cardinality of natural numbers set
a collection of elements

15 Clues: Ø = { } • such that • all subsets of A • a collection of elements • set A is not a subset of set B • the number of elements of set A • both sets have the same members • set A is not a superset of set B • objects that belong to set A or set B • objects that belong to set A and set B • is a superset of B. set A includes set B • all the objects that do not belong to set A • ...

SET THEORY SYMBOLS 2020-10-16

Across

AUB
AB
U
C
{}
P (A)
A=B
(a,b)

Down

15 Clues: Z • U • C • o • #A • Ac • AB • {} • AUB • A-B • AxB • ACB • A=B • P (A) • (a,b)

Set Theory Symbol 2020-09-16

Across

A⊅B
|A|
A=B
A-B
A⊇B
A'
A⋃B

Down

A∆B
(a,b)
{}
A×B
A⋂B
A⊆B
ℵ0
A⊄B

15 Clues: {} • ℵ0 • A' • A∆B • A⊅B • A×B • |A| • A⋂B • A⊆B • A=B • A-B • A⊇B • A⋃B • A⊄B • (a,b)

SET THEORY SYMBOLS 2020-09-23

Across

Ac
A ⊅ B
Ø = { }
A ⊆ B
A ⊄ B
#A
|

Down

A ⊃ B
2A
A ∩ B
A ⊂ B
a collection of elements
(a,b)
\mathbb{U}
A = B

15 Clues: | • Ac • 2A • #A • A ⊃ B • A ∩ B • A ⊂ B • A ⊅ B • (a,b) • A = B • A ⊆ B • A ⊄ B • Ø = { } • \mathbb{U} • a collection of elements

Set Theory Symbols 2021-09-07

Across

AxB
A∆B
{}
no set membership
|A|
∅
A\B
A U B
set of all possible values

Down

(a,b)
all subsets of A
A=B
set membership
all the objects that do not belong to Set A
|

15 Clues: ∅ • | • {} • AxB • A∆B • A=B • |A| • A\B • (a,b) • A U B • set membership • all subsets of A • no set membership • set of all possible values • all the objects that do not belong to Set A

SET THEORY SYMBOLS 2021-09-04

Across

A is a superset of B. set A includes set B
objects that belong to set A or set B
collection of 2 elements
A ∩ B
Ø = { }
infinite cardinality of natural numbers set
all subsets of A
A ⊅ B
all the objects that do not belong to set A

Down

A ⊄ B
A ⊆ B
set of all possible values
A = B
cardinality of countable ordinal numbers set
a collection of elements

15 Clues: A ⊄ B • A ⊆ B • A = B • A ∩ B • A ⊅ B • Ø = { } • all subsets of A • collection of 2 elements • a collection of elements • set of all possible values • objects that belong to set A or set B • A is a superset of B. set A includes set B • infinite cardinality of natural numbers set • all the objects that do not belong to set A • cardinality of countable ordinal numbers set

Set Theory Symbols 2023-02-28

Across

set membership
A=B
objects that belong to setA and set B
A is a subset of B. Set A included in set B.
all the subjects that do not belong to set A
a collection of elements
all subsets of A

Down

|A|
AUB
cardinality of countable ordinal number set
set of all possible values
infinite cardinality of naturals number set
set A is not a subset of set B
A is a superset of B. Set A included set B.
(a,b)

15 Clues: |A| • AUB • A=B • (a,b) • set membership • all subsets of A • a collection of elements • set of all possible values • set A is not a subset of set B • objects that belong to setA and set B • cardinality of countable ordinal number set • infinite cardinality of naturals number set • A is a superset of B. Set A included set B. • A is a subset of B. Set A included in set B. • ...

Set theory symbol 2022-03-18

Across

such that
both sets have the same members
no set membership
object that belong to A or B but not to their intersection
a collection of elements
object that belongs to set A or B
all subsets of A
set A is not a superset of set B

Down

object that belong to B and not to B
all the object that do not belong to set A
object that belongs to set A and B
A is a subset of B
collection of two elements
element of belong to
A is a superset of B set A includes set B

15 Clues: such that • all subsets of A • no set membership • A is a subset of B • element of belong to • a collection of elements • collection of two elements • both sets have the same members • set A is not a superset of set B • object that belongs to set A or B • object that belongs to set A and B • object that belong to B and not to B • A is a superset of B set A includes set B • ...

SET THEORY SYMBOLS 2022-03-10

Across

P(C)
A ⊄ B
A ∩ B
R
A ⊂ B
N

Down

Ø
(a,b)
A ⊆ B
A = B
A ⊇ B
a∈B
A ∪ B
{}
Z

15 Clues: Ø • R • Z • N • {} • a∈B • P(C) • A ⊄ B • (a,b) • A ⊆ B • A = B • A ⊇ B • A ∪ B • A ∩ B • A ⊂ B

SET THEORY SYMBOLS 2023-09-11

Across

all the objects that do not belong to set A
all subsets of A
Cartesian product
both sets have the same member
|A|
subset A ⊂ B
A ⊇ B

Down

A∪B
A ⊄ B
∅
relative complement
equality
A ∩ B
a collection of elements
A ⊆ B

15 Clues: ∅ • A∪B • |A| • A ⊄ B • A ∩ B • A ⊆ B • A ⊇ B • equality • subset A ⊂ B • all subsets of A • Cartesian product • relative complement • a collection of elements • both sets have the same member • all the objects that do not belong to set A

Set theory symbols 2023-09-10

Across

|
A ∪ B
Ø
(a,b)
|A|
A ⊂ B
A ⊆ B
{ }
Ac

Down

A×B
A ∆ B
A ⊅ B
A = B
A ∩ B
\mathbb{U}

15 Clues: | • Ø • Ac • A×B • |A| • { } • A ∆ B • A ∪ B • A ⊅ B • A = B • (a,b) • A ∩ B • A ⊂ B • A ⊆ B • \mathbb{U}

Set Theory Symbol 2024-02-17

Across

A \ B
A ⊆ B
Ø
A×B
A ∪ B
set of all possible values
A ∩ B
|A| #A

Down

A ⊇ B
A ⊄ B
2A
A ∆ B A ⊖ B
A = B
{ }
Ac

15 Clues: Ø • 2A • Ac • { } • A×B • A ⊇ B • A \ B • A ⊄ B • A ⊆ B • A = B • A ∪ B • A ∩ B • |A| #A • A ∆ B A ⊖ B • set of all possible values

Set Theory Symbols 2024-02-18

Across

Ø = {}
all subsets of A
ℝ
the number of elements of set A
all the objects that do not belong to set A
a collection of elements

Down

ℚ
set of all possible values
ℤ
A is a subset of B
objects that belong to set A and set B
A is a superset of B
both sets have the same members
objects that belong to set A or set B
ℂ

15 Clues: ℚ • ℤ • ℝ • ℂ • Ø = {} • all subsets of A • A is a subset of B • A is a superset of B • a collection of elements • set of all possible values • both sets have the same members • the number of elements of set A • objects that belong to set A or set B • objects that belong to set A and set B • all the objects that do not belong to set A

Set theory symbols 2024-08-30

Across

the symbol is |A|
set A is not a superset of set B
the symbol is A=B
set of all possible values
the object that belong to set A and B
A is a subset of B. Set A is included in set B
it is a collection of 2 elements

Down

infinite cardinality of natural numbers set
the symbol is P(A)
all the objects that do not belong to set A
a collection of elements
the symbol is AUB
cardinality of countable ordinal numbers set
set A is not a subset of set B
A is superset of B. Set A includes set B

15 Clues: the symbol is |A| • the symbol is AUB • the symbol is A=B • the symbol is P(A) • a collection of elements • set of all possible values • set A is not a subset of set B • set A is not a superset of set B • it is a collection of 2 elements • the object that belong to set A and B • A is superset of B. Set A includes set B • infinite cardinality of natural numbers set • ...

Set Theory Symbols 2025-02-24

Across

– Set of all subsets
– Elements not in a given set
– A member of a set
– Two sets with no common elements
– Common elements of two sets
– Two sets with the same elements
– A set with a limited number of elements

Down

– A set contained in another set
– The set containing all elements under discussion
– A subset that is not the whole set
– A set with unlimited elements
– A diagram representing sets
– Combination of two sets
– The number of elements in a set
– A set with no elements

15 Clues: – A member of a set • – Set of all subsets • – A set with no elements • – Combination of two sets • – Elements not in a given set • – A diagram representing sets • – Common elements of two sets • – A set with unlimited elements • – A set contained in another set • – The number of elements in a set • – Two sets with the same elements • – Two sets with no common elements • ...

SET THEORY SYMBOLS 2025-02-21

Across

set P(A)
difference A△B
product A×B
set U
of A∈B
element of A∉B

Down

set A⊃B
A = B
set ∅
pair (a,b)
{}
AUB
A⊆B
AB
complement A\B

15 Clues: {} • AB • AUB • A⊆B • A = B • set ∅ • set U • of A∈B • set A⊃B • set P(A) • pair (a,b) • product A×B • element of A∉B • difference A△B • complement A\B

SET THEORY SYMBOLS 2024-09-02

Across

A⊇B
A⊆B
P(A)
ℵ₀
A∪B
U
ℵ₁
x∉A

Down

A⊈B
A∩B
{}
|A|
∅
A=B
a∈A

15 Clues: ∅ • U • {} • ℵ₀ • ℵ₁ • A⊈B • A∩B • A⊇B • A⊆B • |A| • A∪B • A=B • a∈A • x∉A • P(A)

Set Theory Symbol 2025-03-03

Across

U
A \ B
A ∪ B
P(A)
A ⊆ B
Ac
A ⊄ B
Ø

Down

A ⊇ B
A ∩ B
A = B
subset A ⊂ B
A ⊈ B
A ⊃ B
{ }

15 Clues: U • Ø • Ac • { } • P(A) • A ⊇ B • A ∩ B • A = B • A ⊈ B • A \ B • A ⊃ B • A ∪ B • A ⊆ B • A ⊄ B • subset A ⊂ B

Set Theory Symbols 2025-02-23

Across

a collection of elements
infinite cardinality of natural numbers set
ℝ
such that
Ø
objects that belong to set A and set B
all the objects that do not belong to set A
the number of elements of set A
ℂ

Down

set A is included in set B.
both sets have the same members
A×B
objects that belong to set A or set B
set A includes set B
ℚ

Set Theory Symbols 2025-02-23

Across

a collection of elements
infinite cardinality of natural numbers set
ℝ
such that
Ø
objects that belong to set A and set B
all the objects that do not belong to set A
the number of elements of set A
ℂ

Down

set A is included in set B.
both sets have the same members
A×B
objects that belong to set A or set B
set A includes set B
ℚ

Set Theory Symbols 2025-02-23

Across

A×B
all the objects that do not belong to set A
set A is included in set B.
infinite cardinality of natural numbers set
the number of elements of set A
such that

Down

objects that belong to set A or set B
set A includes set B
ℂ
both sets have the same members
Ø
ℝ
a collection of elements
ℚ
objects that belong to set A and set B

15 Clues: ℂ • Ø • ℝ • ℚ • A×B • such that • set A includes set B • a collection of elements • set A is included in set B. • both sets have the same members • the number of elements of set A • objects that belong to set A or set B • objects that belong to set A and set B • all the objects that do not belong to set A • infinite cardinality of natural numbers set

Set Theory Symbols 2025-02-23

Across

objects that belong to set A and set B
set A includes set B
A×B
ℚ
both sets have the same members
U
all the objects that do not belong to set A

Down

the number of elements of set A
ℂ
set A is included in set B.
a collection of elements
objects that belong to set A or set B
ℝ
infinite cardinality of natural numbers set
Ø

15 Clues: ℂ • ℚ • ℝ • U • Ø • A×B • set A includes set B • a collection of elements • set A is included in set B. • the number of elements of set A • both sets have the same members • objects that belong to set A or set B • objects that belong to set A and set B • infinite cardinality of natural numbers set • all the objects that do not belong to set A

SET THEORY SYMBOLS 2022-03-16

Across

A is a subset of B. set A is included in set B.
A is a subset of B, but A is not equal to B.
objects that belong to set A and set B
set membership
the number of elements of set A
objects that belong to A or B but not to their intersection

Down

objects that belong to A and not to B
A ⊅ B
A ⊇ B
objects that belong to set A or set B
all subsets of A
both sets have the same members
all the objects that do not belong to set A
such that
a collection of elements

15 Clues: A ⊅ B • A ⊇ B • such that • set membership • all subsets of A • a collection of elements • both sets have the same members • the number of elements of set A • objects that belong to A and not to B • objects that belong to set A or set B • objects that belong to set A and set B • all the objects that do not belong to set A • A is a subset of B, but A is not equal to B. • ...

Set Theory Symbols 2022-03-16

Across

infinite cardinality of natural numbers set.
both sets have the same members.
a collection of elements.
objects that belong to set A and set B.
A ⊇ B.
symmetric difference.
objects that belong to set A or set B.
all the objects that do not belong to set A.
A ⊆ B.

Down

cardinality of countable ordinal numbers set.
objects that belong to A and not to B.
set of all ordered pairs from A and B.
the number of elements of set A.
collection of 2 elements (a,b).
set A is not a superset of set B A ⊅ B.

15 Clues: A ⊇ B. • A ⊆ B. • symmetric difference. • a collection of elements. • collection of 2 elements (a,b). • the number of elements of set A. • both sets have the same members. • objects that belong to A and not to B. • set of all ordered pairs from A and B. • objects that belong to set A or set B. • objects that belong to set A and set B. • set A is not a superset of set B A ⊅ B. • ...

SET THEORY SYMBOLS 2021-09-13

Across

A={x|3<x<14}
A ⊆ B
A ⊂ B
A ⊇ B
no set membership
set all subsets of A
A ∆ B

Down

the number of elements of set A
A \ B
Ø = { }
collection of 2 elements
A ∩ B
example A ∪ B = {3,7,9,14,28}
all subsets of A
a collection of elements

Set Theory Symbols 2021-09-14

Across

Objects that belong to set A and set B
Objects that belong to set A or set B
A collection of elements
A \ B
P(A)
A ⊇ B
|A|

Down

Collection of 2 elements
Set of all possible values
A ⊄ B
All the objects that do not belong to set A
A ⊆ B
Ø
|
Both sets have the same members

15 Clues: Ø • | • |A| • P(A) • A ⊄ B • A ⊆ B • A \ B • A ⊇ B • Collection of 2 elements • A collection of elements • Set of all possible values • Both sets have the same members • Objects that belong to set A or set B • Objects that belong to set A and set B • All the objects that do not belong to set A

Set Theory Symbols 2023-09-10

Across

(a,b)
Ø
Q
AUB
U
A-B
A=B
{}
ACB

Down

R
C
A∆B
|A|
all the object that do not belong to Set A
objects that belong to Set A and B

15 Clues: R • C • Ø • Q • U • {} • A∆B • |A| • AUB • A-B • A=B • ACB • (a,b) • objects that belong to Set A and B • all the object that do not belong to Set A