# infix ⊈

Documentation for infix `⊈`

assembled from the following types:

# language documentation Sets, bags, and mixes

## (Sets, bags, and mixes) infix ⊈

Returns `True`

if `$a`

is **not** a **subset** nor equal to `$b`

, else `False`

. More information, Wikipedia definition.

# language documentation Operators

From Operators

## (Operators) infix ⊈

multi sub infix:<⊈>(, --> Bool)

Not a subset of nor equal to operator.

Returns `True`

if `$a`

is **not** a `subset`

of `$b`

. Equivalent to `!(<=)`

.

say (1,2,3) ⊄ (2,3,1); # OUTPUT: «True»say (2,3) ⊄ (2,3,1); # OUTPUT: «False»say 4 !(<=) (1,2,3); # OUTPUT: «True»

`⊈`

is codepoint U+2288 (NEITHER A SUBSET OF NOR EQUAL TO).