What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_8, if x_8 plays squash, then x_8 is a soldier. If Joseph plays squash, then it is not cold. It is cold. For all x_8, if x_8 were a soldier, then x_8 is playing squash.
Joseph is not playing squash. For all x_8, x_8 will play squash if and only if x_8 is a soldier. For all x_8, x_8 is a soldier if and only if x_8 will play squash.