Not VEX node

Performs a logical “not” operation on an integer value, returning 1 if the input is…

See also: And, Compare, Complement, If 2 more , Or, While

This operator performs a logical “not” operation on an integer value, returning 1 if the input is zero, and 0 if the input is non-zero. Only one operand is accepted.

Typically, “not” is used as an input to conditional operators such as If and While.