19 lines
733 B
C++
19 lines
733 B
C++
/*
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Copyright (c) 2014 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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Author: Leonardo de Moura
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*/
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#pragma once
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#include "kernel/environment.h"
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namespace lean {
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/** \brief Given an inductive datatype \c n (which is not a proposition) in \c env, add
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<tt>n.no_confusion_type</tt> and <tt>n.no_confusion</tt> to the environment.
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\remark This procedure assumes the environment contains eq, n.cases_on</tt>.
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If the environment has an impredicative Prop, it also assumes heq is defined.
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If the environment does not have an impredicative Prop, then it also assumes lift is defined.
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*/
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environment mk_no_confusion(environment const & env, name const & n);
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}
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