Proof: Transitive

Let's prove the following theorem:

if x = (0 + (a ⋅ 2)) / 2, then x = a

Proof:

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Given
1 x = (0 + (a ⋅ 2)) / 2
Proof Table
# Claim Reason
1 (0 + (a ⋅ 2)) / 2 = a (0 + (a ⋅ 2)) / 2 = a
2 x = a if x = (0 + (a ⋅ 2)) / 2 and (0 + (a ⋅ 2)) / 2 = a, then x = a

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