12 lines
312 B
Text
12 lines
312 B
Text
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Set: pp::colors
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Set: pp::unicode
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Using: Nat
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0 + 1
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Nat::add_assoc : ∀ a b c : ℕ, a + (b + c) = a + b + c
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using.lean:7:6: error: unknown identifier 'add'
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Using: Nat
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0 + 1
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Using: Nat::add as plus
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using.lean:15:6: error: unknown identifier 'plus_assoc'
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using.lean:17:6: error: unknown identifier 'add'
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