Combining Texts

All the ideas for 'fragments/reports', 'works' and 'Oldest System Prog. of German Idealism'

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4 ideas

1. Philosophy / D. Nature of Philosophy / 3. Philosophy Defined
Even pointing a finger should only be done for a reason [Epictetus]
2. Reason / A. Nature of Reason / 1. On Reason
Highest reason is aesthetic, and truth and good are subordinate to beauty [Hegel]
4. Formal Logic / D. Modal Logic ML / 3. Modal Logic Systems / h. System S5
The simplest of the logics based on possible worlds is Lewis's S5 [Lewis,CI, by Girle]
10. Modality / A. Necessity / 2. Nature of Necessity
Equating necessity with informal provability is the S4 conception of necessity [Lewis,CI, by Read]