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Logic and Proof

Logic and Proof

Proofs Examples

Example 1

What is the difference between a postulate and a theorem?

Example 2

Complete the following proof.

Given: A = B, C = D
Prove: X(A + C) = BX + DX

Example 3

Complete the following proof.

Given: A = B, C = D, C ≠ 0
Prove:

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