12 lines
344 B
Text
12 lines
344 B
Text
print_ax3.lean:13:0: warning: declaration 'foo5' uses sorry
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no axioms
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------
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quot.sound : ∀ {α : Sort u} {r : α → α → Prop} {a b : α}, r a b → quot.mk r a = quot.mk r b
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classical.choice : Π {α : Sort u}, nonempty α → α
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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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