Combining Philosophers

Ideas for Rescher,N/Oppenheim,P, Immanuel Kant and Ludwig Wittgenstein

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3 ideas

10. Modality / C. Sources of Modality / 1. Sources of Necessity

6181	Necessity cannot be extracted from an empirical proposition [Kant]

10. Modality / C. Sources of Modality / 3. Necessity by Convention

18726

For each necessity in the world there is an arbitrary rule of language [Wittgenstein]

10. Modality / C. Sources of Modality / 4. Necessity from Concepts

18796

Formal experience conditions show what is possible, and general conditions what is necessary [Kant]