• Group
    • Identity
      • 1*x = x
      • x*1 = x
    • Inverses
      • x*y = 1
      • y*x = 1
    • Associativity
      • x*(y*z) = (x*y)*z
    • Closure
      • x*y ∈ G
  • Ring
    • Identity +
    • Commutativity +
    • Inverses +
    • Associativity +
    • Closure +
    • Identity ×
    • Associativity ×
    • Closure ×
    • Distributivity