Proof: Power of 2 2

Let's prove the following theorem:

x ⋅ x = x2

Proof:

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Proof Table
# Claim Reason
1 x2 = x ⋅ x x2 = x ⋅ x
2 x ⋅ x = x2 if x2 = x ⋅ x, then x ⋅ x = x2

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