August 31, 2004

 

IMPORTANT – Forgot to announce in class

CS Department Picnic –

Wednesday, September 1,

Shelter 1 at PURCELL PARK at 4:30 pm. 

Food and games.

 

collected Scantron sheets

took attendance

collected homework

went overall  homework problems except 34b and 38

 

Collected homework will be graded for correctness although not every problem.

 

Can always use a truth table to check whether something is logically correct but although the number of variables limits the number of rows, the number of columns can get very large depending on the number of operators involved.

 

Focus on Methods of Proof

          Justifications required

          Use named and derived rules of inference and equivalence

                   addition

                   simplification

                   hypothetical syllogism