Proof: Reorder Terms 8

Let's prove the following theorem:

(ab) ⋅ (cd) = ((ac) ⋅ b) ⋅ d

Proof:

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Proof Table
# Claim Reason
1 ((ab) ⋅ c) ⋅ d = (ab) ⋅ (cd) ((ab) ⋅ c) ⋅ d = (ab) ⋅ (cd)
2 ((ab) ⋅ c) ⋅ d = ((ac) ⋅ b) ⋅ d ((ab) ⋅ c) ⋅ d = ((ac) ⋅ b) ⋅ d
3 (ab) ⋅ (cd) = ((ac) ⋅ b) ⋅ d if ((ab) ⋅ c) ⋅ d = (ab) ⋅ (cd) and ((ab) ⋅ c) ⋅ d = ((ac) ⋅ b) ⋅ d, then (ab) ⋅ (cd) = ((ac) ⋅ b) ⋅ d
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