C++ (Cpp) TBox::addSubsumeAxiom Examples

Example #1

File: tAxiom.cpp Project: dgu123/factplusplus

bool
TAxiom :: absorbIntoTop ( TBox& KB ) const
{
	TConcept* C = NULL;

	// check whether the axiom is Top [= C
	for ( const_iterator p = begin(), p_end = end(); p != p_end; ++p )
		if ( InAx::isBot(*p) )	// BOTTOMS are fine
			continue;
		else if ( InAx::isPosCN(*p) )	// CN found
		{
			if ( C != NULL )	// more than one concept
				return false;
			C = InAx::getConcept((*p)->Left());
			if ( C->isSingleton() )	// doesn't work with nominals
				return false;
		}
		else
			return false;

	if ( C == NULL )
		return false;

	// make an absorption
	Stat::SAbsTApply();
	DLTree* desc = KB.makeNonPrimitive ( C, createTop() );

#ifdef RKG_DEBUG_ABSORPTION
	std::cout << " T-Absorb GCI to axiom";
	if ( desc )
		std::cout << "s *TOP* [=" << desc << " and";
	std::cout << " " << C->getName() << " = *TOP*";
#endif
	if ( desc )
		KB.addSubsumeAxiom ( createTop(), desc );

	return true;
}

Example #2

File: tAxiom.cpp Project: ethz-asl/libfactplusplus

bool
TAxiom :: absorbIntoTop ( TBox& KB ) const
{
	TConcept* Cand = nullptr;

	// check whether the axiom is Top [= C
	for ( const auto& C: Disjuncts )
		if ( InAx::isBot(C) )	// BOTTOMS are fine
			continue;
		else if ( InAx::isPosCN(C) )	// CN found
		{
			if ( Cand != nullptr )	// more than one concept
				return false;
			Cand = InAx::getConcept(C->Left());
			if ( Cand->isSingleton() )	// doesn't work with nominals
				return false;
		}
		else
			return false;

	if ( Cand == nullptr )
		return false;

	// make an absorption
	Stat::SAbsTApply();
	DLTree* desc = KB.makeNonPrimitive ( Cand, createTop() );

#ifdef RKG_DEBUG_ABSORPTION
	std::cout << " T-Absorb GCI to axiom";
	if ( desc )
		std::cout << "s *TOP* [=" << desc << " and";
	std::cout << " " << Cand->getName() << " = *TOP*";
#endif
	if ( desc )
		KB.addSubsumeAxiom ( createTop(), desc );

	return true;
}