• Sum of Minterms: ABC + ABC’ + …, each minterm produces logic 1
• Canonical form: F(A,B,C) = ∑m(1, 2, 3, …)
• Product of Maxterms: (ABC)(ABC’)…(), each maxterm produces logic 0
• Canonical form: F(A,B,C) = πM(1, 2, 3, …)