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Negation, NOT Gate

Negation, NOT Gate

양자정보이론
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Definition1

A Boolean function like the following is called a $\text{NOT}$ gate or logical negation and is denoted as follows.

$$ \lnot : \left\{ 0, 1 \right\} \to \left\{ 0, 1 \right\} $$

$$ \lnot 0 = 1,\quad \lnot 1 = 0 $$

Description

The $\text{NOT}$ gate returns the opposite of the input.

부울 함수기호진리표
$\text{NOT}$
$a$$\lnot a$
$0$$1$
$1$$0$

  1. Kim Young-hoon and Heo Jae-seong, Quantum Information Theory (2020), p84-85 ↩︎