olemus
hulgad, mille ühisosa on tühi
=
the sets not including any of the same members

piltlikult
https://www.math-only-math.com/images/VENN_DIAGRAMS-b.jpg

https://upload.wikimedia.org/wikipedia/commons/thumb/e/e6/Veranschaulichung_von_disjunkten_Mengen.svg/275px-Veranschaulichung_von_disjunkten_Mengen.svg.png

https://duckduckgo.com/?q=non-intersecting+sets&t=h_&iax=images&ia=images

vt ka
https://en.wikipedia.org/wiki/Intersection