Quotes About A posteriori

I hold that the mark of a genuine idea is that its possibility can be proved, either a priori by conceiving its cause or reason, or a posteriori when experience teaches us that it is in fact in nature.

T]he empirical inscrutableness of all natural things is a proof a posteriori of the ideality and merely phenomenal-actuality of their empirical existence.

It is, therefore, a question which requires close investigation, and not to be answered at first sight, whether there exists a knowledge altogether independent of experience, and even of all sensuous impressions? Knowledge of this kind is called a priori, in contradistinction to empirical knowledge, which has its sources a posteriori, that is, in experience.

It is possible to demonstrate God's existence, although not a priori, yet a posteriori from some work of His more surely known to us.

It is possible to demonstrate God's existence, although not a priori, yet a posteriori from some work of His more surely known to us.