AKIT
English Eesti

intersection of sets

hulkade ühisosa, ühisosa

olemus
hulkadest \(A_1, A_2, A_3, \ldots\)
moodustatud hulk
\(A_1\cap A_2\cap A_3\cap \ldots = \cap_i A_i\) ,
mis koosneb hulkade \(A_1, A_2, A_3, \ldots\)
ühistest elementidest, st
\(\cap_i A_i = \{a\colon\; \forall i\colon a\in A_i \}\)

ülevaateid
https://www.mathsisfun.com/definitions/intersection-sets-.html

https://www.mathgoodies.com/lessons/sets/intersection

http://web.mnstate.edu/peil/MDEV102/U1/S3/Intersection4.htm

https://en.wikipedia.org/wiki/Intersection_(set_theory)

vt ka
- hulkade ühend