olemus
liitumise printsiip füüsikas, matemaatikas, tehnikas jm, kehtib lainete, kvantolekute, voolude jpm puhul: lineaarse süsteemi reaktsioon mitmele mõjurile samas kohas ja samal hetkel, on eri mõjuritele vastavate reaktsioonide algebraline summa

Wiktionary:
(mathematics, physics) the principle that a linear combination of two or more solutions of an equation is itself a solution; it is a feature of many physical laws

ülevaateid
https://en.wikipedia.org/wiki/Superposition_principle

https://www.cut-the-knot.org/do_you_know/superposition.shtml

https://en.wikipedia.org/wiki/Superposition_theorem

http://www.idc-online.com/technical_references/pdfs/electronic_engineering/Superposition_theorem.pdf

näiteid
https://en.wikipedia.org/wiki/Quantum_superposition

https://sites.ualberta.ca/~khchow/phys362_related/lec04_no2.pdf

https://www.philadelphia.edu.jo/academics/fobeidat/uploads/Electric%20Circuits%20I%20Course/6%20Superposition.pdf