Combining Texts
Ideas for
'fragments/reports', 'Meditations' and 'Grundlagen der Arithmetik (Foundations)'
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13 ideas
12. Knowledge Sources / A. A Priori Knowledge / 1. Nature of the A Priori
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For Frege a priori knowledge derives from general principles, so numbers can't be primitive [Frege]
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12. Knowledge Sources / A. A Priori Knowledge / 2. Self-Evidence
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Mathematicians just accept self-evidence, whether it is logical or intuitive [Frege]
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12. Knowledge Sources / A. A Priori Knowledge / 4. A Priori as Necessities
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A triangle has a separate non-invented nature, shown by my ability to prove facts about it [Descartes]
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An a priori truth is one derived from general laws which do not require proof [Frege]
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A truth is a priori if it can be proved entirely from general unproven laws [Frege]
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12. Knowledge Sources / A. A Priori Knowledge / 8. A Priori as Analytic
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Frege tried to explain synthetic a priori truths by expanding the concept of analyticity [Frege, by Katz]
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12. Knowledge Sources / B. Perception / 2. Qualities in Perception / c. Primary qualities
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For Descartes, objects have one primary quality, which is geometrical [Descartes, by Robinson,H]
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12. Knowledge Sources / B. Perception / 5. Interpretation
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Why does pain make us sad? [Descartes]
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12. Knowledge Sources / C. Rationalism / 1. Rationalism
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The wax is not perceived by the senses, but by the mind alone [Descartes]
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Dogs can make the same judgements as us about variable things [Gassendi on Descartes]
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2264
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We don't 'see' men in heavy clothes, we judge them to be men [Descartes]
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We perceive objects by intellect, not by senses or imagination [Descartes]
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12. Knowledge Sources / E. Direct Knowledge / 2. Intuition
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Intuitions cannot be communicated [Frege, by Burge]
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