pp1p16c2 per accidens

Meaning | Causa per accidens is occasionally used in complementary pair with causa per se {1p16c1} {3p15} and causa efficiens. Propositions {{3p16}, and {4d05} use "emotions contrary by accident" as complementary to "emotions contrary by nature". It seems that a partial cause r is a causa per accidens if it occurs necessarily as part of set A of things forming an adequate cause but there are other, usually many, sets B that each are adequate causes for the same effect and r is not necessary in all sets B.
Related concepts | related to accidens: contingens
Occurrence | [geomap]

{1p16c2 non accidens} ...per se ^ per accidens...
...God is a cause in himself...not ...through an accident... | ...Deum causam esse per se, non vero per accidens...

{3p16 imaginamur simile} ...causa per accidens ^ causa efficiens...
...the thing...will be accidentally...a cause of pleasure or pain. ...not the efficient cause... | res ....erit ...per accidens ... causa ...non sit horum affectuum causa efficiens....

{4d05 contrarios affectus} ...natura ^ per accidens...
...contraries, not by nature, but by accident... | ...nec natura sed per accidens sunt contrarii...