Princess Nora Bint Abdulrahman University NET201- Principles of Information & Technology Systems Faculty of Computer and Information Sciences Second Semester 1437/1438 HDepartment of Information Technology Homework 2 – Artificial Intelligence

Due date Thursday 4 May

Q1): Represent the semantic network as a set of frames.

Q2): If the symbols V, R, and S mean “it is vacation”, “it is Raining”, and “it is Sunny”, write the English statements corresponding to the following statements in propositional logic:

a. R→V b. (¬R) →S c. ((¬V )∧S )

Princess Nora Bint Abdulrahman University NET201- Principles of Information & Technology Systems Faculty of Computer and Information Sciences Second Semester 1437/1438 HDepartment of Information Technology Homework 2 – Artificial Intelligence

Q3): Use a truth table to find whether the following argument is valid:

{P→Q , P}∨– Q∧ P