PHIL1012 INTRODUCTION TO LOGIC PROBLEM SET 6 (S2 2021) Submit your answers to Problem Set 6 via Canvas before 23:59, Wednesday of Week 9. 1. Here is a model M: Domain: {1,2,3, 4, 5} P: {1,3,5}, Q: {2, 4, 5}, R: 0, S: {3,4} a : 3, b: 4 Is the proposition Vr((Pr A Qx) Sx) V (Rb + Pa) true or false in M? Explain. 2. Define a model in which all of the following propositions are true. Jr(Ga A Hx) Vylly I2FZ Fk + Vx(Gx V Fx)