Fundamentals of Discrete Mathematics

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Across
  1. 2. _______ is a matrix which contains all zero.
  2. 4. What is a set that contains all the elements under consideration. The symbol is ξ and it is called a _______ set.
  3. 6. What is a set? Set is a well-defined collection of objects with common characteristics. Each object in a set is known as an ___________ of the set
  4. 8. A square matrix which has "1" on the diagonal and zero everywhere else is known as the _________ matrix.
  5. 9. If every element of set A is also an element of set B, then A is a ________ of B.
  6. 10. What does the symbol "U" represents?
Down
  1. 1. The _________ of a matrix is the number of rows and columns.
  2. 3. what does the symbol n in A n B means?
  3. 5. What are the number in the matrix called?
  4. 7. A set which has no elements is called a null set or an __________ set.