PRASHNIKAप्रश्निका
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Choose the correct option.

the contra-positive of the proposition is:

Computer Science20221 markMCQ
  • (i)~P => Q
  • (ii)Q => P
  • (iii)~Q => P
  • (iv)~P => ~Q
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With reference to the given proposition $\sim P => Q$, answer the following questions:

Answer

Answer

AI

Correct option: (iii)

Answer: (iii) ~Q => P The contrapositive of A => B is ~B => ~A. Here it is ~Q => ~(~P) = ~Q => P.
Boolean Algebra

From ISC 2022 Computer Science - Specimen paper (Semester 1), Paper 1, question 13(b).

Check your working with the Boolean algebra solver: the steps law by law, the K-map and the logic circuit for any expression.