def transform_Exists(self, node: Exists):
var_refs, conds = unzip(
map(extract_var_cond, map(self.transform, node.var_preds)))
return ir.Exists(var_refs, conds, self.transform(node.pred))
def transform_Forall(self, node: Forall):
var_refs, conds = unzip(
map(extract_var_cond, map(self.transform, node.var_preds)))
return ir.Complement(
ir.Exists(var_refs, conds,
ir.Complement(self.transform(node.pred))))