Combining Texts

All the ideas for 'Changes in Events and Changes in Things', 'The Conquest of Happiness' and 'The Laws of Thought'

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11 ideas

4. Formal Logic / B. Propositional Logic PL / 1. Propositional Logic
8083 Boole applied normal algebra to logic, aiming at an algebra of thought [Boole, by Devlin]
7727 Boole's notation can represent syllogisms and propositional arguments, but not both at once [Boole, by Weiner]
5. Theory of Logic / A. Overview of Logic / 2. History of Logic
8686 Boole made logic more mathematical, with algebra, quantifiers and probability [Boole, by Friend]
5. Theory of Logic / H. Proof Systems / 2. Axiomatic Proof
22277 Boole's method was axiomatic, achieving economy, plus multiple interpretations [Boole, by Potter]
7. Existence / D. Theories of Reality / 8. Facts / b. Types of fact
15201 That Queen Anne is dead is a 'general fact', not a fact about Queen Anne [Prior,AN]
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]
27. Natural Reality / D. Time / 2. Passage of Time / e. Tensed (A) series
22899 'Thank goodness that's over' is not like 'thank goodness that happened on Friday' [Prior,AN]