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Ideas for 'The Evolution of Logic', 'Natural Kinds and Biological Realism' and 'Russell's Mathematical Logic'

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2 ideas

5. Theory of Logic / G. Quantification / 2. Domain of Quantification
Reference to a totality need not refer to a conjunction of all its elements [Gödel]
5. Theory of Logic / G. Quantification / 3. Objectual Quantification
The universal quantifier can't really mean 'all', because there is no universal set [Hart,WD]