Unit 1 Vocab

Front

Inverse

Back

If not p, then not q

Front

Contrapositive

Back

Negating both hypothesis and conclusion of the converse of a conditional statement: If not q, then not p.

Front

Counterexample

Back

An example that proves a conjecture false.

Front

Deductive reasoning

Back

process of applying facts or testing to prove something

Front

Congruent

Back

Having the same measure

Front

Midpoint

Back

A point that divides a segment into two congruent segments.

Front

Proof:

Back

A logical argument that shows a statement is true.

Front

Conditional statement

Back

If-then form statement

Front

Postulate

Back

a statement accepted as true without proof

Front

Truth value

Back

Stating if it's true or false