What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? Name the inference rule being used: If it is cloudy, then James is not poor. For all x_4, x_4 will climb a mountain. For all x_4, x_4 is poor.
For all x_4, x_4 will climb a mountain and x_4 is poor can be inferred via the universal conjunction rule. For all x_4, x_4 is poor and x_4 will climb a mountain can be inferred via the universal conjunction rule.