6e6cc749a8
The user may want to use propext without assuming em.
10 lines
270 B
Text
10 lines
270 B
Text
/-
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Copyright (c) 2015 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Module: logic.axioms.funext
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Author: Leonardo de Moura
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Propositional extensionality.
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-/
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axiom propext {a b : Prop} : a ↔ b → a = b
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