Proof: Reorder Terms 5

Let's prove the following theorem:

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

then b + d = a

Proof:

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

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