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 z, z is a bartender. For all z, z will climb a mountain.
For all z, z is a bartender and z will climb a mountain can be inferred via the universal conjunction rule. For all z, z will climb a mountain and z is a bartender can be inferred via the universal conjunction rule.