Proof: Distributive Property Variation 2

Let's prove the following theorem:

(b + c) ⋅ a = (a ⋅ b) + (a ⋅ c)

Proof:

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Proof Table
# Claim Reason
1 a ⋅ (b + c) = (a ⋅ b) + (a ⋅ c) a ⋅ (b + c) = (a ⋅ b) + (a ⋅ c)
2 (b + c) ⋅ a = a ⋅ (b + c) (b + c) ⋅ a = a ⋅ (b + c)
3 (b + c) ⋅ a = (a ⋅ b) + (a ⋅ c) if a ⋅ (b + c) = (a ⋅ b) + (a ⋅ c) and (b + c) ⋅ a = a ⋅ (b + c), then (b + c) ⋅ a = (a ⋅ b) + (a ⋅ c)

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