Proof: Shuffle Example

Let's prove the following theorem:

(3 / 4) ⋅ (ss) = 3 ⋅ ((ss) ⋅ (1 / 4))

Proof:

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Proof Table
# Claim Reason
1 3 / 4 = 3 ⋅ (1 / 4) 3 / 4 = 3 ⋅ (1 / 4)
2 (3 / 4) ⋅ (ss) = (3 ⋅ (1 / 4)) ⋅ (ss) if 3 / 4 = 3 ⋅ (1 / 4), then (3 / 4) ⋅ (ss) = (3 ⋅ (1 / 4)) ⋅ (ss)
3 (3 ⋅ (1 / 4)) ⋅ (ss) = (3 ⋅ (ss)) ⋅ (1 / 4) (3 ⋅ (1 / 4)) ⋅ (ss) = (3 ⋅ (ss)) ⋅ (1 / 4)
4 (3 / 4) ⋅ (ss) = (3 ⋅ (ss)) ⋅ (1 / 4) if (3 / 4) ⋅ (ss) = (3 ⋅ (1 / 4)) ⋅ (ss) and (3 ⋅ (1 / 4)) ⋅ (ss) = (3 ⋅ (ss)) ⋅ (1 / 4), then (3 / 4) ⋅ (ss) = (3 ⋅ (ss)) ⋅ (1 / 4)
5 (3 ⋅ (ss)) ⋅ (1 / 4) = 3 ⋅ ((ss) ⋅ (1 / 4)) (3 ⋅ (ss)) ⋅ (1 / 4) = 3 ⋅ ((ss) ⋅ (1 / 4))
6 (3 / 4) ⋅ (ss) = 3 ⋅ ((ss) ⋅ (1 / 4)) if (3 / 4) ⋅ (ss) = (3 ⋅ (ss)) ⋅ (1 / 4) and (3 ⋅ (ss)) ⋅ (1 / 4) = 3 ⋅ ((ss) ⋅ (1 / 4)), then (3 / 4) ⋅ (ss) = 3 ⋅ ((ss) ⋅ (1 / 4))
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