What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? Richard is not curious. For all x_12, x_12 is a mechanic if and only if x_12 will play squash. For all x_12, if x_12 plays squash, then x_12 is curious.
For all x_12, if x_12 were a mechanic, then x_12 is playing squash. For all x_12, if x_12 plays squash, then x_12 is a mechanic.