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01. Proof

From the DfE Mathematics AS and A-Level Content (LINK):

Introduction to Proof

A1-01 [Introduction to Proof]

A1-02 [Introducing Consequence and Equivalence]

A1-03 [Consequence and Equivalence Examples]

Proof by Exhaustion

A1-04 [Introducing Proof by Exhaustion]

A1-05 [Proof by Exhaustion Examples]

Proof by Deduction

A1-06 [Introducing Proof by Deduction]

A1-07 [Proof by Deduction Examples]

Disprove by Counter-Example

A1-08 [Introducing Disproof by Counter Example]

A1-09 [Disproof by Counter Example Examples]

Proof by Contradiction

A1-10 Introducing Proof by Contradiction

A1-11 Proving √2 is Irrational

A1-12 Proving √3 is Irrational

A1-13 Proving √3 is Irrational - Alternative

A1-14 Proving the Cube Root of 2 is Irrational

A1-15 Proving there are Infinitely Many Primes

A1-16 Proof by Contradiction Examples

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