Assignment:
Q1) Construct the Truth Table for each of the following Boolean expressions:
![139_Boolean.JPG](https://secure.tutorsglobe.com/CMSImages/139_Boolean.JPG)
Are they equivalent expressions? Are they tautologies? Contradictions?
Q2) Find a Boolean expression involving x y ¬ Λ which produces the following table:
![2317_expressions.JPG](https://secure.tutorsglobe.com/CMSImages/2317_expressions.JPG)
Q3) Consider a statement of the form "if A then (B and C)". Assume you wish to disprove it. Then you need to provide a counterexample, that is, you need to exhibit an instance for which
a) B and C are false
b) A is true and both B and C are false
c) B is false or C is false
d) A is true and B is false, or A is true and C is false
e) A is false, B is false, and C is false
Indicate which of the above is the correct answer.
Provide complete and step by step solution for the question and show calculations and use formulas.