
3.21 Which of the following inference rules does not follow deductive logic?
a) Modus Ponens b) Abduction
c) Modus Tollens d) Simpli cation.
3.22 Which of the following inference rules follow deductive logic?
a) Analogy b) Induction
c) Abduction d) None of the above
3.23 Applying the Resolution rule of inference on the clauses p and p′, we get -
a) False b) True
c) p d) p′
3.24 I meet three Englishmen consecutively, each of whom have blue eyes. I conclude that all English-
men have blue eyes. Which rule of inference I apply?
a) Abduction b) Induction
c) Analogy d) None of the above
3.25 A pair of simultaneous equations under two variables ...