12 lines
413 B
Text
12 lines
413 B
Text
print_ax3.lean:13:6: warning: declaration 'foo5' uses sorry
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no axioms
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------
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quot.sound : ∀ {α : Type u} {r : α → α → Prop} {a b : α}, r a b → quot.mk r a = quot.mk r b
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classical.strong_indefinite_description : Π {a : Sort u} (p : a → Prop), nonempty a → {x // (∃ (y : a), p y) → p x}
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propext : ∀ {a b : Prop}, (a ↔ b) → a = b
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------
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theorem foo3 : 0 = 0 :=
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foo2
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------
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propext
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[sorry]
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