Proof Methods

What is a proof?

What is a Proof?

What is a Proof?

General Hints

Methods of Proof

Direct Proof

Contrapositive Proof

Contradiction Proofs

Another Contrapositive Proof

Contradiction Proof

Square Root of 2 is irrational

Proofs of Biconditionals

Proofs of Biconditionals

Uniqueness Proofs

Uniqueness Proofs