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CHAPTER IV.
ON KNOWLEDGE A PRIORI.
From the fact that we are able spontaneously to assign and determine the laws of relations in space without having recourse to experience, Plato concludes (Meno, p. 353, Bip.) that all learning is mere recollection. Kant, on the other hand, concludes that space is subjectively conditioned, and merely a form of the faculty of knowledge. How far, in this regard, does Kaut stand above Plato!
Cogito, ergo sum, is an analytical judgment. Indeed Parmenides held it to be an identical judgment: "(
Greek characters)" (nam intelligere et esse idem est, Clem. Alex. Strom., vi. 2, § 23). As such, however, or indeed even as an analytical judgment, it cannot contain any special wisdom; nor yet if, to go still deeper, we seek to deduce it as a conclusion from the major premise, non-entis nulla sunt prædicata. But with this proposition what Descartes really wished to express was the great truth that immediate certainty belongs only to self-consciousness, to what is subjective. To what is objective, on the other hand, thus to everything else, only indirect certainty belongs; for it is arrived at through self-consciousness; and being thus merely at second hand, it is to be regarded as problematical. Upon this depends the value of this celebrated proposition. As its opposite we may set up, in the sense of the Kantian philosophy, cogito, ergo est, that is, exactly as I think certain relations in things (the mathematical), they must always occur in
