Millionaire Mode

Epistemic Logic and Rationality

Question 1 of 5

Which of the following is a valid inference in epistemic logic?

  1. If I know that P, then I know that I know that P.
  2. If I believe that P, then I know that P.
  3. If I know that P, then I believe that P.
  4. If I believe that P, then I know that I believe that P.

Prize Money

15₹7 Crores
14₹1 Crore
13₹50,00,000
12₹25,00,000
11₹12,50,000
10₹6,40,000
9₹3,20,000
8₹1,60,000
7₹80,000
6₹40,000
5₹20,000
4₹10,000
3₹5,000
2₹2,000
1₹1,000