Mathematics in the Modern World

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Across
  1. 1. - It Is a science that deals with the principles and criteria of validity of inference and demonstration.
  2. 5. of contraposition- A donsitional may always be replaced by its contrapositive without having its truth value affected.
  3. 7. - is a compound statement formed by using the word “and” to join two simple sentences.
  4. 9. - it is a compound sentence formed by using the word “or” to join two simple sentences.
  5. 11. conditional- is defined to be true whenever parts have the same truth value
  6. 12. of a statement- is the exact opposite of a statement; it is false when the original is true and true when the original is false.
  7. 13. statement - is a statement that conveys a single idea or simple facts about the world.
Down
  1. 2. statement - is a statement that conveys two or more ideas.
  2. 3. - it is the basic building blocks of logic.
  3. 4. Value - the truth value of a statement is either true (T) or false (F).
  4. 5. puzzle - it can be solved by using deductive reasoning and second is false, thus this is a false statement.
  5. 6. Statements-when two statements have the same truth value under all possible situations indicated by the symbol
  6. 8. Table-is a table that shows the truth value of a compound statement for all possible truth values of its simple statement.
  7. 10. statements - are compound statement that takes the form “if…then”