Related InterviewSolutions

• The only statement among the following i.e. a tautology isA. `Bto[A^^(AtoB)]`B. `A^^(AvvB)`C. `Avv(A^^B)`D. `[A^^(AtoB)]toB`
• If p: Sam is fat,q : Sam is happy,indicate the symbolic form of the following verbal statements If sam is fat, then he is happy.A. `pharrq`B. `pharr~q`C. `prarrq`D. `~prarrq`
• If p: Sam is fat,q : Sam is happy,indicate the symbolic form of the following verbal statements Sam is thin but happy.A. `~pvvq`B. `pvv~q`C. `p^^~q`D. `~p^^q`
• If p : price increase,q : demand falls, indicate the symbolic form of the following verbal statements If price does not increses, then demand does not fall.A. `~qto~p`B. `qto"p"`C. `pvv~q`D. `~pto~q`
• If p : price increase,q : demand falls, indicate the symbolic form of the following verbal statements If demand does not fall, then price does not incresesA. `~q^^~q`B. `~qto~p`C. `qto p`D. `ptoq`
• If p : price increase,q : demand falls, indicate the symbolic form of the following verbal statements Price increase if, and only if, demand falls.A. `pharrq`B. `qtoq`C. `qtoq`D. `q^^q`
• The negation of the statement : 'If a person is social, then he is happy.' isA. If a person is not social then he is not haapy.B. A person is social but not happy.C. If a person is not social then he is happy.D. If a person is happy then he is social.
• The converse of the contrapriate of ptoq is.A. `~ptoq`B. `qto""p`C. `pto~q`D. `~qto~p`
• If p,q,r are single proposition with truth values T, F, F, then the truth value of `(p ^^ ~ q) to (~p vv r)` isA. TB. FC. Cannot findD. Both T and F
• If statements `(p^^q)`" and `[(p^^q)harrq]` are both false, then truth-values of p and q are respectivelyA. T,FB. F,TC. F,FD. T,T