∧ - And. statements P and Q must be true ∨ - Or. Either P or Q must be true ¬ - Not. Flip true/false polarity Precedence Hierarchy ¬ (negation). Not ∧ (Conjunction). And ∨ (Disjunction). Or / Nor Other Concepts Logical Equivalence Laws Logical Equivalent Boolean Algebra English To Logical Form