What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_7, x_7 is fast and x_7 will read a book. For all x_7, x_7 will play squash or x_7 is a doctor. For all x_7, if x_7 plays squash, then x_7 is not fast.
For all x_7, x_7 is fast. For all x_7, x_7 will read a book.