当とう為い

noun

what ought to be; what should be; what one should do

Philosophical term, especially in ethics and law, referring to normative obligation or ideal state. Often contrasted with 存在 (what is).

• カント倫りん理り学がくでは、当とう為いと存そん在ざいは区く別べつされる。

  In Kantian ethics, what ought to be is distinguished from what is.