valid invalid (circle one): c. The argument is 1. p*~(q Vr) 2. pVs 3. qer 4. (q1t) + u 5. rvt 6. s+q ..u If you stated the argument is invalid, provide an invalidating truth assignment here: = ,9 = r = S = t = If you stated the argument is valid, provide a proof here (you can delete the rows you don't need): inference rule soooi gio co valid invalid (circle one): c. The argument is 1. p*~(q Vr) 2. pVs 3. qer 4. (q1t) + u 5. rvt 6. s+q ..u If you stated the argument is invalid, provide an invalidating truth assignment here: = ,9 = r = S = t = If you stated the argument is valid, provide a proof here (you can delete the rows you don't need): inference rule soooi gio co