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: It is overcast. Susan is bored. Joseph is a cashier.
It is overcast and Susan is bored can be inferred via the conjunction rule. It is overcast and Joseph is a cashier can be inferred via the conjunction rule. Susan is bored and it is overcast can be inferred via the conjunction rule. Susan is bored and Joseph is a cashier can be inferred via the conjunction rule. Joseph is a cashier and it is overcast can be inferred via the conjunction rule. Joseph is a cashier and Susan is bored can be inferred via the conjunction rule.