What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_12, x_12 will read a book and x_12 will climb a mountain. There is at least one x_12 for which x_12 will make tea. For all x_12, x_12 is curious if and only if x_12 will read a book.
For all x_12, x_12 will read a book. For all x_12, x_12 will climb a mountain. For all x_12, if x_12 were curious, then x_12 is reading a book. For all x_12, if x_12 reads a book, then x_12 is curious.