infix ⊈

Documentation for infix ⊈, assembled from the following types:

infix operator (<=)

From (<=)

((<=)) infix ⊈

only sub infix:<>($a$b --> Bool)

Neither subset of nor equal to operator.

Equivalent to !(<=), at codepoint U+2288 (NEITHER A SUBSET OF NOR EQUAL TO).

say (123).Set !(<=) (321).Set;   # OUTPUT: «False␤» 
say (13).Set  (21).Set;             # OUTPUT: «True␤»