olemus
binaartehte (näiteks korrutamise) korral kehtiv
samasus a(bc) = (ab)c
= math: independent of the grouping of elements

ülevaateid
https://encyclopediaofmath.org/wiki/Associativity
https://en.wikipedia.org/wiki/Associative_property
https://en.wikipedia.org/wiki/Operator_associativity
https://www.maths.tcd.ie/pub/Maths/Courseware/EllipticCurves/2016/Associativity.pdf

vt ka
- assotsiatiivne binaartehe