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The inverse or opposite of a number. In Boolean algebra, the inverse function, expressed with a bar over a variable. The complement of a 1 is 0, and vice versa.
Complement

The Boolean product of two or more literals equivalent to an AND operation.
Product term

A form of Boolean expression that is basically the ORing of ANDed terms.
Sumofproducts (SOP)

The Boolean sum of two or more literals equivalent to an OR operation.
Sum term

A symbol used to represent a logical quantity that can have a value of 1 or 0, usually designated by an italic letter.
Variable

A+B=B+A
AB=BA
Commutative Laws

A+(B+C)=(A+B)+C
A(BC)=(AB)C
Associative Laws

A(B+C)=AB+AC
Distributive Law











A+A'B=A+B
Boolean rule:11

(A+B)(A+C)=A+BC
Boolean rule:12

The complement of a product is equal to the sum of the complements of the terms in the product. (XY)'=X'+Y'
DeMorgan's Theorems 1

The complement of a sum is equal to the product of the complements of the terms in the sum. (X+Y)' = X'Y'
DeMorgan's Theorem 2

