def _eval_apply(self, expr, pred):
pred_args = [pred.rcall(arg) for arg in expr.args]
# Technically this is xor, but if one term in the disjunction is true,
# it is not possible for the remainder to be true, so regular or is
# fine in this case.
res = OR(*[AND(pred_args[i], *[~lit for lit in pred_args[:i] +
pred_args[i+1:]]) for i in range(len(pred_args))])
return res
def _eval_apply(self, expr, pred):
return AND(*[pred.rcall(arg) for arg in expr.args])