The most recent version of this documentation can be found at https://docs.dyalog.com/20.0/.

Up Shoe

Monadic Set Intersection is not defined

Dyadic Set Intersection means

Intersection

      22 'ab' 'fg' ∩ 'a' 'ab' 22
┌──┬──┐
│22│ab│
└──┴──┘

Language Elements