互恵 ごけい てき利他 りた主義 しゅぎではありませんでした
gokeite kirita shugidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 互恵的利他主義

1. Was not mutually altruistic.; Was not reciprocal altruism.

Past/Perfective
Negative
Polite
Formal Register