Combining Philosophers

Ideas for B Hale / C Wright, Anthony Quinton and C.I. Lewis

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6 ideas

18. Thought / C. Content / 8. Intension

5828	Extension is the class of things, intension is the correct definition of the thing, and intension determines extension [Lewis,CI]

18. Thought / E. Abstraction / 2. Abstracta by Selection

9361	We have to separate the mathematical from physical phenomena by abstraction [Lewis,CI]

18. Thought / E. Abstraction / 7. Abstracta by Equivalence

10630

Abstracted objects are not mental creations, but depend on equivalence between given entities [Hale/Wright]

8786	One first-order abstraction principle is Frege's definition of 'direction' in terms of parallel lines [Hale/Wright]

12227

Abstractionism needs existential commitment and uniform truth-conditions [Hale/Wright]

12228

Equivalence abstraction refers to objects otherwise beyond our grasp [Hale/Wright]