13. Determine whether each of the following is a tautology, a contradiction, or neither. * (a) [( P fa] P. (b) Pe=>PA(PvQ). (c) P=.Q.=›PA—Q. * (d) P=IP (P (e) P A (Q v .1=› P (f) IQ A (P P. (g) ( P <=). Q) <=> (—Pv Q)v(—P AQ). (h) [P(Qv R)] [(Q R)v (R (i) P A(P Q) A —Q. (j) (PvQ).Q P.
(k) [P (Q A R)] [R = (P Q)]. (I) [P = (Q A RA R = (P Q).© BrainMass Inc. brainmass.com October 9, 2019, 8:51 pm ad1c9bdddf
Logical statements are investigated. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.