metamath/mmveri.h

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