What Does Functionally Complete Mean?

In logic, a functionally complete set of logical connectives or Boolean operators is one which can be used to express all possible truth tables by combining members of the set into a Boolean expression. A well-known complete set of connectives is { AND, NOT }, consisting of binary conjunction and negation.

What is meant by functionally complete?

A set of operations is said to be functionally complete or universal if and only if every switching function can be expressed by means of operations in it.

How do you show something is functionally complete?

complete if every boolean expression is equivalent to one involving only these connectives. The set {¬,∨,∧} is functionally complete. – Every boolean expression can be turned into a CNF, which involves only ¬, ∨, and ∧. The sets {¬,∨} and {¬,∧} are functionally complete.