Ask a Question

Which of the following is a tautology ? A) (∼p)∧(p∨q)→q

+1 vote
201 views
in Uncategorized by (98.9k points)
reopened by
Which of the following is a tautology ? (1) (∼p)∧(p∨q)→q (2) (q→p) ∨∼(p→q) (3) (∼q)∨(p∧q)→q (4) (p→q)∧(q→p)

1 Answer

+1 vote
by (98.9k points)
selected by
 
Best answer
option 1) is correct ∼p∧(p∨q)→q
(∼p∧p)∨(∼p∧q)→q
C∨(∼p∧q)→q
(∼p∧q)→q
∼(∼p∧q)∨q
=(p∨∼q)∨q=p∨t=t

Related questions

Doubtly is an online community for engineering students, offering:

  • Free viva questions PDFs
  • Previous year question papers (PYQs)
  • Academic doubt solutions
  • Expert-guided solutions

Get the pro version for free by logging in!

Most popular tags

jeemain geography-10th engineering physics semester 5 web computing

5.7k questions

5.1k answers

108 comments

557 users

Doubtly
...