Combining Philosophers

Ideas for B Hale / C Wright, Amos and Rod Girle

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4 ideas

5. Theory of Logic / B. Logical Consequence / 7. Strict Implication

7789	Necessary implication is called 'strict implication'; if successful, it is called 'entailment' [Girle]

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

12230

Singular terms refer if they make certain atomic statements true [Hale/Wright]

5. Theory of Logic / H. Proof Systems / 5. Tableau Proof

7790	If an argument is invalid, a truth tree will indicate a counter-example [Girle]

5. Theory of Logic / L. Paradox / 6. Paradoxes in Language / c. Grelling's paradox

10631

If 'x is heterological' iff it does not apply to itself, then 'heterological' is heterological if it isn't heterological [Hale/Wright]