2-2 Logic Vocab Statement: A sentence that is either true or false

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Presentation transcript:

2-2 Logic Vocab Statement: A sentence that is either true or false Negation: The opposite meaning of a statement Compound Statement: 2 or more statements joined by “and” or “or” Conjunction: An and statement Disjunction: An or statement

Truth Values Conjunctions P: A rectangle is a quadrilateral Q: A rectangle is convex P and Q: A rectangle is a quadrilateral, and a rectangle is convex Both have to be true for the whole thing to be true Disjunctions P: Mark studies geometry Q: Mark studies chemistry P or Q: Mark studies geometry, or Mark studies chemistry Only one has to be true for the whole thing to be true

Truth Tables ~: not Ʌ: and V: or Ex 1: Construct the truth table for p Ʌ ~q Ex 2: Construct the truth table for ~p V ~q Ex 3: Construct the truth table for q ∧ ∽r

Classwork/Homework P. 103-104 2-30 even