laws
associative - see
Extra - Sets and mappings - Important sets of numbers
cancellation - see
Extra - Sets and mappings - Important sets of numbers
commutative - see
Extra - Sets and mappings - Important sets of numbers
distributive - see
Extra - Sets and mappings - Important sets of numbers
transitive - see
Extra - Sets and mappings - Important sets of numbers
trichotomy - see
Extra - Sets and mappings - Important sets of numbers