Combining Texts

Ideas for 'Philosophy of Mathematics', 'Speeches in Elberfeld' and 'Words without Objects'

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3 ideas

5. Theory of Logic / E. Structures of Logic / 4. Variables in Logic

12797

If plural variables have 'some values', then non-count variables have 'some value' [Laycock]

5. Theory of Logic / G. Quantification / 6. Plural Quantification

12794

Plurals are semantical but not ontological [Laycock]

5. Theory of Logic / J. Model Theory in Logic / 2. Isomorphisms

10884

A theory is 'categorical' if it has just one model up to isomorphism [Horsten]