• Courses
  • Tutorials
  • Jobs
  • Practice
  • Contests

UGC-NET | UGC NET CS 2018 July - II | Question 79

A knowledge base contains just one sentence, ∃x AsHighAs (x, Everest). Consider the following two sentences obtained after applying existential instantiation. (a) AsHighAs (Everest, Everest) (b) AsHighAs (Kilimanjaro, Everest) Which of the following is correct with respect to the above sentences ?

(A)

Both sentence (a) and sentence (b) are sound conclusions.

(B)

Both sentence (a) and sentence (b) are unsound conclusions.

(C)

Sentence (a) is sound but sentence (b) is unsound.

(D)

Sentence (a) is unsound but sentence (b) is sound.

Answer

Please comment below if you find anything wrong in the above post
Feeling lost in the world of random DSA topics, wasting time without progress? It's time for a change! Join our DSA course, where we'll guide you on an exciting journey to master DSA efficiently and on schedule.
Ready to dive in? Explore our Free Demo Content and join our DSA course, trusted by over 100,000 geeks!

Last Updated :
Share your thoughts in the comments