def extra_concepts(self):
tn = self.text_name()
X, Y = self.variable('X'), self.variable('Y')
c = [
Literal(1, Atom(tn, [X])), ~eq_lit(X, Y),
Literal(1, Atom(tn, [Y]))
]
cs = [ProductSpace([NamedSpace(x) for x in c])]
w = get_witness(self)
if w:
cls = [[~lit, eq_lit(X, w)] for lit in self.fmla]
cs += [ProductSpace([NamedSpace(x) for x in c]) for c in cls]
return cs
def clauses_to_concept(name, clauses):
vars = used_variables_clauses(clauses)
ps = [
ProductSpace([NamedSpace(~lit) for lit in clause])
for clause in clauses
]
ss = ps[0] if len(ps) == 1 else SumSpace(ps)
return (Atom(name, vars), ss)
def relation_concepts(self, relations):
rcons = [r.to_concept_space() for r in relations]
rprods = [
ProductSpace([
NamedSpace(x) for x in [
node_concept(r.sorts[0], 'X'),
Literal(1, cs[0]),
node_concept(r.sorts[1], 'Y')
]
]) for (r, cs) in zip(relations, rcons)
]
rsp = to_atom('__rsp(X,Y)'), SumSpace(rprods)
return rcons + [rsp]
def p_expr_prod(p):
'expr : prod'
p[0] = ProductSpace(p[1])
def to_concept_space(self):
return Atom(self.text_name(), [self.variable('X')]), ProductSpace(
[NamedSpace(x) for x in self.fmla])