lean2/library/hott/axioms/ua.lean
2014-11-06 19:22:57 -05:00

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-- Copyright (c) 2014 Microsoft Corporation. All rights reserved.
-- Released under Apache 2.0 license as described in the file LICENSE.
-- Author: Jeremy Avigad, Jakob von Raumer
-- Ported from Coq HoTT
import hott.path hott.equiv
open path Equiv
axiom ua {A B : Type} [H : A ≃ B] : A ≈ B