実じっ践せん理り性せい

noun

practical reason; practical ethics

A philosophical term, especially associated with Kantian ethics, referring to reason as it guides action and moral judgment.

• カントは『実じっ践せん理り性せい批ひ判はん』で道どう徳とくの原げん理りを論ろんじた。

  Kant discussed the principles of morality in his 'Critique of Practical Reason'.

• 実じっ践せん理り性せいは、理り論ろん理り性せいと区く別べつされる。

  Practical reason is distinguished from theoretical reason.