2013-08-14 19:00:11 +00:00
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/*
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Copyright (c) 2013 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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2014-02-16 18:15:00 +00:00
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#include "kernel/expr.h"
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2013-08-14 19:00:11 +00:00
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namespace lean {
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/** \brief Return true iff \c n occurs in \c m */
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bool occurs(expr const & n, expr const & m);
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/** \brief Return true iff there is a constant named \c n in \c m. */
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bool occurs(name const & n, expr const & m);
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}
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