Combining Texts

Ideas for 'Thinking About Mathematics', 'New Essays on Human Understanding' and 'Modal Logics and Philosophy'

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5 ideas

10. Modality / A. Necessity / 3. Types of Necessity

7800	Analytic truths are divided into logically and conceptually necessary [Girle]

10. Modality / B. Possibility / 1. Possibility

7801	Possibilities can be logical, theoretical, physical, economic or human [Girle]

10. Modality / C. Sources of Modality / 5. Modality from Actuality

12978

A perfect idea of an object shows that the object is possible [Leibniz]

10. Modality / D. Knowledge of Modality / 1. A Priori Necessary

17079

Proofs of necessity come from the understanding, where they have their source [Leibniz]

10. Modality / E. Possible worlds / 1. Possible Worlds / a. Possible worlds

7792	A world has 'access' to a world it generates, which is important in possible worlds semantics [Girle]