Combining Texts

All the ideas for 'fragments/reports', 'A Plea for Substitutional Quantification' and 'The Conquest of Happiness'

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10 ideas

4. Formal Logic / D. Modal Logic ML / 4. Alethic Modal Logic
9470 Modal logic is not an extensional language [Parsons,C]
5. Theory of Logic / G. Quantification / 4. Substitutional Quantification
9469 Substitutional existential quantifier may explain the existence of linguistic entities [Parsons,C]
9468 On the substitutional interpretation, '(∃x) Fx' is true iff a closed term 't' makes Ft true [Parsons,C]
22. Metaethics / C. The Good / 2. Happiness / d. Routes to happiness
20180 A happy and joyous life must largely be a quiet life [Russell]
23. Ethics / F. Existentialism / 4. Boredom
20177 Boredom always involves not being fully occupied [Russell]
20179 Happiness involves enduring boredom, and the young should be taught this [Russell]
20176 Boredom is an increasingly strong motivating power [Russell]
20178 Life is now more interesting, but boredom is more frightening [Russell]
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]