Introduction to Logic Study Questions - quiz. Each capital letter must stand for a complete, simple, affirmative sentence      ~    Negation           it is not the case that           not      v    Disjunction           or           unless Put each of the following into logical symbolism. Use the suggested notation. 1. The piazza is flanked by two squares. (P) Correct answer? P 2. It did not take two thousand years for the square to become the shape it has today. (S) Correct answer? ~S 3. One must go to the piazza at sundown or at sunset. (P, S) Correct answer? P v S 4. Miguel is at the library or he is talking to the guide. (L, G) Correct answer? L v G 5. Miguel went to the piazza at sundown or at sunset. (P, S) Correct answer? P v S 6. Either Miguel will not visit or Jacinta will not visit. (M, J) Correct answer? ~M v ~J 7. Miguel will not go to the piazza unless he can have cappuccino. (P, C) Correct answer? ~P v C 8. Miguel will stay at the hotel unless he has tickets to the opera. (H, O) Correct answer? H v O