充じゅう足そく理り由ゆうの原げん理り

expression, noun

principle of sufficient reason

A philosophical principle stating that everything must have a reason or cause. Often discussed in the context of Leibniz and rationalist philosophy. The synonymous term 充足理由律 is also used.

See also: 充足理由律

• ライプニッツは充じゅう足そく理り由ゆうの原げん理りを提てい唱しょうした。

  Leibniz proposed the principle of sufficient reason.