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move proof utils under ast

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-10-24 09:59:55 -07:00
parent 1315c8d7de
commit fc822af707
12 changed files with 722 additions and 869 deletions
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31
src/ast/proofs/proof_utils.h
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@ -16,8 +16,8 @@ Revision History:
--*/
#ifndef _PROOF_UTILS_H_
#define _PROOF_UTILS_H_
#ifndef PROOF_UTILS_H_
#define PROOF_UTILS_H_
#include "ast/ast.h"
/*
@ -39,4 +39,31 @@ private:
void reduce_hypotheses(proof_ref &pr);
class proof_utils {
public:
/**
\brief reduce the set of hypotheses used in the proof.
*/
static void reduce_hypotheses(proof_ref& pr);
/**
\brief Check that a proof does not contain open hypotheses.
*/
static bool is_closed(ast_manager& m, proof* p);
/**
\brief Permute unit resolution rule with th-lemma
*/
static void permute_unit_resolution(proof_ref& pr);
/**
\brief Push instantiations created in hyper-resolutions up to leaves.
This produces a "ground" proof where leaves are annotated by instantiations.
*/
static void push_instantiations_up(proof_ref& pr);
};
#endif