Test 2 key

Problem 1:
Problem 2:
Problem 3:
Problem 4: I asked you to prove DeMorgan's rules for a general Boolean algebra (which was a homework assignment). This was a serious problem! The best attempt was below:
scan0004.jpg
Problem 5:
Problem 6:

Website maintained by Andy Long. Comments appreciated.
Updated on 12/01/2003 06:10:04