Combining Texts

All the ideas for 'Scientific Explanation', 'Frege on Apriority' and 'Knowledge by Acquaintance and Description-1'

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4 ideas

2. Reason / F. Fallacies / 4. Circularity
One sort of circularity presupposes a premise, the other presupposes a rule being used [Braithwaite, by Devitt]
6. Mathematics / A. Nature of Mathematics / 2. Geometry
You can't simply convert geometry into algebra, as some spatial content is lost [Burge]
8. Modes of Existence / D. Universals / 2. Need for Universals
We know a universal in 'yellow differs from blue' or 'yellow resembles blue less than green does' [Russell]
12. Knowledge Sources / B. Perception / 4. Sense Data / d. Sense-data problems
My 'acquaintance' with sense-data is nothing like my knowing New York [Williams,M on Russell]