2.1.2 Conditional Statements Flashcards
conditional statement
is a statement that can be written in the form “if p, then q”
hypothesis
the part p of a conditional statement following the word if
conclusion
the part q of a conditional statement following the word then
truth value
A conditional statement has a truth value of either true (T) or false (F)
negation
of a statement p is “not p,” written as ~p
converse
the statement formed by exchanging the hypothesis and conclusion
inverse
the statement formed by negating the hypothesis and conclusion
contrapositive
the statement formed by both exchanging and negating the hypothesis and conclusion
logically equivalent statements
Related conditional statements that have the same truth value
Law of Contrapositive
A conditional and its contrapositive are logically equivalent