NIELIT 2017 July Scientist B (IT) - Section B: 58

Question

In tuple relational calculus $P1\to P2$ is equivalent to

• A. $\lnot P1 \lor P2$
• B. $P1 \lor P2$
• C. $P1 \land P2$
• D. $P1 \land \lnot P2$

Answer 1

P1 → P2 is same as ~ P1 v P2.

So A is correct.