What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_19, x_19 is fast. Thomas is an artist. For all x_19, if x_19 were bored, then x_19 is not curious. For all x_19, if x_19 were fast, then x_19 is curious. If William were a writer, then Elisabeth is bored.
For all x_19, x_19 is curious.