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 were a scientist, then x_8 is curious. For all x_8, if x_8 were curious, then x_8 is a scientist. Jessica is curious.
There is at least one x for which x is curious. For all x_8, x_8 is a scientist if and only if x_8 is curious. For all x_8, x_8 is curious if and only if x_8 is a scientist.