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fix(tests): fix delta_issue2

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Floris van Doorn 2016-02-16 12:29:58 -05:00 committed by Leonardo de Moura
parent facd94a1b4
commit b2181497fd
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tests/lean/hott/delta_issue2.hlean
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@ -1,4 +1,5 @@
open nat eq
infixr + := sum
theorem add_assoc₁ : Π (a b c : ℕ), (a + b) + c = a + (b + c)
| a b 0 := eq.refl (nat.rec a (λ x, succ) b)