a statement that is believed to be true
conjecture
A____ is an example that proves that a conjecture or statement is false
counter example
a statement that can be written in the form “if p, then q”
conditional statement
if q then p
converse
if not p then not q
inverse
if not q then not p
contrapositive
a conditional statement and its converse are both true they can be combined into a single
biconditional statement