What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_11, x_11 is a writer. If Patricia were a poet, then Jessica is a taxi driver. For all x_11, x_11 is a taxi driver if and only if x_11 is fast. For all x_11, if x_11 were fast, then x_11 is not a writer.
For all x_11, x_11 is not fast. For all x_11, if x_11 were a taxi driver, then x_11 is fast. For all x_11, if x_11 were fast, then x_11 is a taxi driver.