The animated version (teaching method 2) Chalk v.s. The Computer

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Presentation transcript:

The animated version (teaching method 2) Chalk v.s. The Computer Truth Tables The animated version (teaching method 2) Chalk v.s. The Computer

Free propositions (the smallest of the small) Last time we saw we need to run through every combination of true and false of our “free” propositions that is

No problem! 2 choices! repeat this twice

Break down the expression To see when this expression is true it is most convenient to break down the proposition into smaller pieces This is a NEW proposition

Break down the expression We continue to break it down! This is a NEW proposition

Free propositions (the smallest of the small) So how do we start this one?

2 choices! repeat this twice

Break down the expression To see when this expression is true it is most convenient to break down the proposition into smaller pieces This is a NEW proposition

Group Work (teaching method 3) Construct a truth table for the following: (RC) (GR) (HP) (SL)