expression
Formal or literary negative copula; equivalent to ではない or ではないか in modern Japanese. Often used in set phrases or classical-style expressions.
彼の言うことは真実にあらず。
What he says is not the truth.
expression
does not exist; there is no
Formal or literary existential negative; equivalent to ない or 存在しない. Often used in philosophical or poetic contexts.
完全なる正義はこの世にあらず。
Perfect justice does not exist in this world.
Classical Japanese negative form of あり (to be), combining あら (未然形 of あり) with the negative auxiliary ず. Used in modern Japanese only in formal or literary contexts.