Transitive Property of Equality Variation 1
Add Associative 2
Transitive Property of Equality Variation 2
Rearrange Sum

Proof: Transitive Property of Equality Variation 2

Let's prove the following theorem:

if the following are true:
  • a = b
  • a = c

then b = c

Proof:

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Given
1 a = b
2 a = c
Proof Table
# Claim Reason
1 b = a if a = b, then b = a
2 b = c if b = a and a = c, then b = c
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