46 lines
2.1 KiB
C
46 lines
2.1 KiB
C
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/*****************************************************************************/
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/* Copyright (C) 2005 NORMAN MEGILL nm at alum.mit.edu */
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/* License terms: GNU General Public License */
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/*****************************************************************************/
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/*34567890123456 (79-character line to adjust editor window) 2345678901234567*/
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#ifndef METAMATH_MMVERI_H_
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#define METAMATH_MMVERI_H_
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#include "mmdata.h"
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char verifyProof(long statemNum);
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/* assignVar() finds an assignment to substScheme variables that match
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the assumptions specified in the reason string */
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nmbrString *assignVar(nmbrString *bigSubstSchemeAss,
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nmbrString *bigSubstInstAss, long substScheme,
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/* For error messages: */
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long statementNum, long step, flag unkHypFlag);
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/* Deallocate the math symbol strings assigned in g_WrkProof structure during
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proof verification. This should be called after verifyProof() and after the
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math symbol strings have been used for proof printouts, etc. */
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/* Note that this does NOT free the other allocations in g_WrkProof. The
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ERASE command will do this. */
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void cleanWrkProof(void);
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/* Structure for getting info about a step for SHOW PROOF/STEP command */
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/* If getStep.stepNum is nonzero, we should get info about that step. */
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/* This structure should be deallocated after use. */
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struct getStep_struct {
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long stepNum; /* Step # to get info about */
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long sourceStmt; /* Right side of = in proof display */
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long targetStmt; /* Left side of = in proof display */
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long targetParentStep; /* Step # of target's parent */
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long targetParentStmt; /* Statement # of target's parent */
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nmbrString *sourceHyps; /* List of step #'s */
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nmbrString *sourceSubstsNmbr; /* List of vars w/ ptr to subst math tokens */
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pntrString *sourceSubstsPntr; /* List of vars w/ ptr to subst math tokens */
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nmbrString *targetSubstsNmbr; /* List of vars w/ ptr to subst math tokens */
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pntrString *targetSubstsPntr; /* List of vars w/ ptr to subst math tokens */
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};
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extern struct getStep_struct getStep;
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#endif /* METAMATH_MMVERI_H_ */
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