def model_universe_facts(h,sort,upclose):
# get universe elements
elems = h.sort_universe(sort)
# constraint defining universe
uc = []
if not upclose:
uc = [[ivy_logic._eq_lit(ivy_logic.Variable('X',c.sort),c) for c in elems]]
# universe elements are distinct
dc = [[ivy_logic._neq_lit(c1,c2)]
for (c1,c2) in ivy_utils.distinct_unordered_pairs(elems)]
return uc+dc
def model_universe_facts(h,sort,upclose):
if ivy_logic.is_interpreted_sort(sort):
return []
# get universe elements
elems = h.sort_universe(sort)
# constraint defining universe
uc = []
if not upclose:
uc = [[ivy_logic._eq_lit(ivy_logic.Variable('X',c.sort),c) for c in elems]]
# universe elements are distinct
dc = [[ivy_logic._neq_lit(c1,c2)]
for (c1,c2) in iu.distinct_unordered_pairs(elems)]
return uc+dc