Combining Texts
Ideas for
'Principles of Philosophy', 'Philosophical Letters' and 'Language,Truth and Logic'
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5 ideas
12. Knowledge Sources / A. A Priori Knowledge / 4. A Priori as Necessities
5012
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'Nothing comes from nothing' is an eternal truth found within the mind [Descartes]
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5198
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We could verify 'a thing can't be in two places at once' by destroying one of the things [Ierubino on Ayer]
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12. Knowledge Sources / A. A Priori Knowledge / 5. A Priori Synthetic
2619
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Whether geometry can be applied to reality is an empirical question outside of geometry [Ayer]
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12. Knowledge Sources / A. A Priori Knowledge / 7. A Priori from Convention
5197
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By changing definitions we could make 'a thing can't be in two places at once' a contradiction [Ayer]
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12. Knowledge Sources / A. A Priori Knowledge / 8. A Priori as Analytic
5204
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To say that a proposition is true a priori is to say that it is a tautology [Ayer]
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