Combining Texts
Ideas for
'Mahaprajnaparamitashastra', 'Intro to Positive Philosophy' and 'Pref to new 'Materialist Theory''
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2 ideas
12. Knowledge Sources / B. Perception / 2. Qualities in Perception / d. Secondary qualities
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Secondary qualities are microscopic primary qualities of physical things [Armstrong]
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12. Knowledge Sources / D. Empiricism / 4. Pro-Empiricism
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All real knowledge rests on observed facts [Comte]
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