6 lines
183 B
Text
6 lines
183 B
Text
new_frontend
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universes u
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variables {α : Type u} {p : α → Prop}
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theorem ex (a : α) (h1 h2 : p a) (h : Subtype.mk a h1 = Subtype.mk a h1) : Subtype.mk a h1 = Subtype.mk a h2 :=
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h
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