Proof: Multiply by 1 3

Let's prove the following theorem:

Proof:

Proof Table

#	Claim	Reason
1	a ⋅ 1 = a	a ⋅ 1 = a (Multiplicative Identity)
2	a = b	if a ⋅ 1 = a and a ⋅ 1 = b, then a = b (Transitive Property of Equality Variation 2)

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