Proof: Propagated Transitive Property 3

Let's prove the following theorem:

if the following are true:
  • a = x
  • b = y
  • x = y

then a = b

Proof:

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Given
1 a = x
2 b = y
3 x = y
Proof Table
# Claim Reason
1 a = y if a = x and x = y, then a = y
2 a = b if a = y and b = y, then a = b

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