Combining Philosophers

Ideas for Crispin Wright, Crawford L. Elder and Mark Colyvan

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4 ideas

5. Theory of Logic / D. Assumptions for Logic / 2. Excluded Middle

17924

Excluded middle says P or not-P; bivalence says P is either true or false [Colyvan]

5. Theory of Logic / F. Referring in Logic / 1. Naming / d. Singular terms

9868	An expression refers if it is a singular term in some true sentences [Wright,C, by Dummett]

5. Theory of Logic / J. Model Theory in Logic / 3. Löwenheim-Skolem Theorems

17929

Löwenheim proved his result for a first-order sentence, and Skolem generalised it [Colyvan]

5. Theory of Logic / K. Features of Logics / 1. Axiomatisation

17930

Axioms are 'categorical' if all of their models are isomorphic [Colyvan]