What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_14, x_14 will climb a mountain if and only if x_14 will read a book. Jessica is reading a book if and only if Jessica is climbing a mountain.
If Jessica reads a book, then Jessica is climbing a mountain. If Jessica climbs a mountain, then Jessica is reading a book. For all x_14, if x_14 climbs a mountain, then x_14 is reading a book. For all x_14, if x_14 reads a book, then x_14 is climbing a mountain.