Combining Texts
Ideas for
'Idealism: a critical survey', 'The Ethics' and 'Theory of Science (Wissenschaftslehre, 4 vols)'
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5 ideas
6. Mathematics / A. Nature of Mathematics / 1. Mathematics
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17185
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Mathematics deals with the essences and properties of forms [Spinoza]
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6. Mathematics / A. Nature of Mathematics / 2. Geometry
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17222
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The sum of its angles follows from a triangle's nature [Spinoza]
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17197
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The idea of a triangle involves truths about it, so those are part of its essence [Spinoza]
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9618
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Bolzano wanted to reduce all of geometry to arithmetic [Bolzano, by Brown,JR]
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6. Mathematics / C. Sources of Mathematics / 2. Intuition of Mathematics
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9830
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Bolzano began the elimination of intuition, by proving something which seemed obvious [Bolzano, by Dummett]
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