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 Richard drinks water, then James is not curious. Richard is drinking water if and only if it is sunny. For all x_26, x_26 is curious and x_26 is a soldier.
If Richard drinks water, then it is sunny can be inferred via the biconditional elimination rule. If it is sunny, then Richard is drinking water can be inferred via the biconditional elimination rule. For all x_26, x_26 is curious can be inferred via the universal simplification rule. For all x_26, x_26 is a soldier can be inferred via the universal simplification rule.