12) (10 points) Using the predicate symbols shown and appropriate quantifiers, write each English language statement as a predicate wif. (The domain is the whole world.) C(x): x is a Corvette F(x): x is a Ferrari P(x): x is a Porsche S{x,y): x is slower than y a. Nothing is both a Corvette and a Ferrari. b. Some Porsches are slower than only Ferraris. c. Only Corvettes are slower than Porsches