Lecture II

GA 322/1920-09-28/p023 ·1920-09-28 · English HighHigh alignmentThis translation's paragraph count matches the German original — the locus maps cleanly to the same paragraph in DE.
Record: unknown. How this text was taken down (shorthand transcript, listeners' notes or manuscript) is not on record here. Unknown is not an assurance of a stenogram: check the edition's own notes before resting an argument on one word.

So now we must above all pose the question: how is it that we arrive at any mathematical-mechanical judgment? How do we arrive at a science of mathematics, at a science of mechanics? How is it, then, that this mathematics, this mechanics, is applicable to the external world of nature, and how is it that there is a difference between the mathematical-mechanical qualities of external objects and those that confront us as the so-called subjective qualities of sensation, tone, color, warmth, etc.?

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Cite: GA 322/1920-09-28/p023 · edition English