Consider the following premises. For all x_6, x_6 will make tea or x_6 will cook. For all x_6, if x_6 makes tea, then x_6 is not a cashier. For all x_6, x_6 is a cashier. Can we infer the following from them? If we can, name the inference rule being used: Patricia is not a lawyer.
We cannot infer that from the premises. Therefore the answer is no.