11 lines
475 B
Text
11 lines
475 B
Text
@[simp] theorem liftOn_mk (a : α) (f : α → γ) (h : ∀ a₁ a₂, r a₁ a₂ → f a₁ = f a₂) :
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Quot.liftOn (Quot.mk r a) f h = f a := rfl
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section attribute [simp] eq_iff_true_of_subsingleton end
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@[simp] theorem PUnit.default_eq_unit : (default : PUnit) = PUnit.unit := rfl
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set_option trace.Meta.Tactic.simp.discharge true
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set_option trace.Meta.Tactic.simp.unify true
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set_option trace.Meta.Tactic.simp.rewrite true
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example : (default : PUnit) = x := by simp
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