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# Not (`¬`)

## `¬ 𝕩`: Logical Not
[→full documentation](../doc/logic.md)

Logical Not of `𝕩`.

[Pervasive.](../doc/arithmetic.md#pervasion)

        ¬ 0

        ¬ 1‿0



## `𝕨 ¬ 𝕩`: Span
[→full documentation](../doc/logic.md)

Count of numbers in the inclusive range from `𝕩` to `𝕨`.

[Pervasive.](../doc/arithmetic.md#pervasion)

        3 ¬ 1

        3‿4 ¬ 0‿2