Write BFS algorithm. Use the BFS to search the goal node . Show each step of the algorithm.

Write a program in LISP to calculate the area of the circle, whose radius is given by the user. Write proper comments to enhance readability of your code.

What are Semantic Nets? Briefly discuss the utility of semantic nets in knowledge management. Give suitable example in support of your answer.

Write BFS algorithm. Use the BFS to search the goal node . Show each step of the algorithm.

If the propositions are described as follows: (8 Marks)
P : He needs a doctor
S : He is Sick
Q : He needs a lawyer
U : He is injured
R : He has an accident
Then represent the following formulas in English :
(i) (P ˄ Q) → R
(ii) (P ˄ Q) ↔ (S ˄ U)

Write a program in Prolog to find and print prime numbers between 50 to 200.

Define fuzzy inference system? What are the main steps in Fuzzy inference system? Make an inference system for food management system.

What is Means-Ends Analysis? How is Means-Ends Analysis used as a problem solving technique?