# infix ⊄

1 | language documentation Sets, bags, and mixes |

1.1 | (Sets, bags, and mixes) infix ⊄ |

2 | language documentation Operators |

2.1 | (Operators) 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 **strict subset** of `$b`

, else `False`

. More information, Wikipedia definition.

# language documentation Operators

From Operators

## (Operators) infix ⊄

multi sub infix:<⊄>(, --> Bool)

Returns `True`

if `$a`

is **not** a `strict 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+2284 (NOT A SUBSET OF).