Combining Texts

All the ideas for 'works', 'fragments/reports' and 'Elements of Mathematical Logic'

expand these ideas     |    start again     |     specify just one area for these texts

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4 ideas

4. Formal Logic / E. Nonclassical Logics / 3. Many-Valued Logic

8942	Lukasiewicz's L3 logic has three truth-values, T, F and I (for 'indeterminate') [Lukasiewicz, by Fisher]

25. Social Practice / E. Policies / 5. Education / b. Education principles

13304

Learned men gain more in one day than others do in a lifetime [Posidonius]

27. Natural Reality / D. Time / 1. Nature of Time / d. Time as measure

20820

Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus]

29. Religion / D. Religious Issues / 3. Problem of Evil / a. Problem of Evil

20698

Irenaeus says evil is necessary for perfect human development [Irenaeus, by Davies,B]