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: For all x, x will climb a mountain and x will cook. If David climbs a mountain, then it is windy.
For all x, x will climb a mountain can be inferred via the universal simplification rule. For all x, x will cook can be inferred via the universal simplification rule.