What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_6, if x_6 cooks, then x_6 is a carpenter. For all x_6, if x_6 were a carpenter, then x_6 is writing a letter. For all x_6, if x_6 were an electrician, then x_6 is cooking. There is at least one x_6 for which if x_6 writes a letter, then x_6 is climbing a mountain.
For all x_6, if x_6 cooks, then x_6 is writing a letter. For all x_6, if x_6 were an electrician, then x_6 is a carpenter. There is at least one x_6 for which if x_6 were a carpenter, then x_6 is climbing a mountain.