Problem Set 1

Sam

A) ________ is not an orange belt or Dave is not a red belt.

P ^ Q P V Q

What is a tautology because it is always true? Answer with a single words or term.

propositional variable

Each ________ can have 4 possibilities: P,- P, T, or F. Therefore, 2 propositional variables can have 16 total possibilities.

P ↓ Q

(________) ↓ R.

P | Q

(________) | R.