5 lines
109 B
Text
5 lines
109 B
Text
b : ℕ
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⊢ succ (succ b) = succ (b + 1)
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---- after dsimp ----
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b : ℕ
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⊢ b + 0 + 1 + 0 + 1 = b + 1 + 0 + 1
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