B. Use Truth Tables To Determine The Validity Or Invalidity Of Each Of The Follow- Ing Arguments: *1. (A V B) – (A•B) 2. (C V D) » (C•D) A VB C D .. A.B ..CVD 3. EF 4. (G V H) » (G•H) FE ~(G•H) ..EVF :: ~(G V H) *5. (I V J) = (I•J) 6. K VL ~(I V J) K :: ~(I•J) ..L 7. M V (N•~N) 8. (O V P) Q M Q » (0•P) :: ~(N•~N) :. (O V P) » (0•P) 9. (R V S) > T 10. U = (V

ONLY DO NUMBER 7, 8, AND 9!!!

 

 

B. Use truth tables to determine the validity or invalidity of each of the follow- ing arguments: *1. (A V B) (AB) AVB .A.B 3. EDF FDE EVF *5. (I VJ) (I.) ~(IVJ) 2. (CVD) (CD) C.D CVD 4. (GV H) (GH) ~(G.H) ~(GV H) 6. K VL (1+1)~ 7. MV (N~N) M .~(N~N) 9. (RVS) T T (R.S) .. (RS) (RVS) K ~L 8. (O V P) Q Q(0P) .. (O V P) (OP) 10. U (V VW) (VW)>~U ..~U