example that proves a conjecture or statement is false
Counterexample\
statement believed to be true
conjecture
Conditional statement
statement written in “if, then”
statement formed by exchanging the hypothesis and conclusion of a Conditional statement
Converse
statement formed by negating the hypothesis and conclusion of a conditional statement
Inverse
statement formed by exchanging and negating the hypothesis and conclusion of a conditional statement
Contrapositive
statement that can be written in form “p if and only if q” p is the hypothesis and q is the conclusion
Biconditional Statement