UGC NET CS 2018-DEC Paper-2

Question 10

Consider the vocabulary with only four propositions A,B,C and D. How many models are there for the following sentence?
( ⌐ A ∨ ⌐ B ∨ ⌐ C ∨ ⌐ D)

Question 10 Explanation:

Here, number of models is nothing but number of TRUEs in final statement. In this proposition logic we got total 15 number of models.

Correct Answer: C

Question 10 Explanation:

Here, number of models is nothing but number of TRUEs in final statement. In this proposition logic we got total 15 number of models.