Non-Disjunction (NOR) ○◂｜appendage｜___｜20260628174208-01-•

NOR	…
Definition	$\overline{x+y}$
Truth table	$(0001)$
Logic gate
Normal forms	…
Disjunctive	$\overline{x}\cdot \overline{y}$
Conjunctive	$\overline{x}\cdot \overline{y}$
Zhegalkin polynomial	$1\oplus x\oplus y\oplus xy$
Post’s lattices	…
0-preserving	no
1-preserving	no
Monotone	no
Affine	no
Self-dual	no

Logical NOR

(echo:: @ ᯤ)