Proof: Algebra 17

Let's prove the following theorem:

s ⋅ (1 / s) = 1

Proof:

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Proof Table
# Claim Reason
1 s / s = 1 s / s = 1
2 s / s = s ⋅ (1 / s) s / s = s ⋅ (1 / s)
3 s ⋅ (1 / s) = 1 if s / s = s ⋅ (1 / s) and s / s = 1, then s ⋅ (1 / s) = 1
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