What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? If it is cold, then Sarah is playing a game. If Sarah plays a game, then it is overcast. If Linda were a soldier, then it is cold. If it is cold, then Linda is a soldier.
If it is cold, then it is overcast. If Linda were a soldier, then Sarah is playing a game. Linda is a soldier if and only if it is cold. It is cold if and only if Linda is a soldier.