lean4-htt/tests/lean/simpArgTypeMismatch.lean
Leonardo de Moura 1d9d8c7e75 chore: fix tests
close #402
2021-08-07 13:22:58 -07:00

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example (p : Prop) [Decidable p] (hnp : ¬ p) :
if decide p then 0 = 1 else 1 = 1 := by
simp [hnp, decide_eq_false Unit]