Question

What is meant by persistence actions?

(a) Allow a literal to remain false

(b) Allow a literal to remain true

(c) Allow a literal to remain false & true

(d) None of the mentioned

I had been asked this question during an internship interview.

Query is from Graph Planning in chapter Planning and Acting in the Real World of Artificial Intelligence

Select the correct answer from above options

Interview Questions and Answers, Database Interview Questions and Answers for Freshers and Experience

Answer 1

Correct choice is (b) Allow a literal to remain true

For explanation: Calculus allows a literal to remain true from one situation to the next if no action alters it. It is called as persistence action.