Combining Texts

All the ideas for 'fragments/reports', 'The Character of Physical Law' and 'An Introduction to Modal Logic'

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9 ideas

1. Philosophy / D. Nature of Philosophy / 7. Despair over Philosophy
15970 People generalise because it is easier to understand, and that is mistaken for deep philosophy [Feynman]
4. Formal Logic / B. Propositional Logic PL / 2. Tools of Propositional Logic / b. Terminology of PL
9540 A 'value-assignment' (V) is when to each variable in the set V assigns either the value 1 or the value 0 [Hughes/Cresswell]
4. Formal Logic / B. Propositional Logic PL / 2. Tools of Propositional Logic / d. Basic theorems of PL
9541 The Law of Transposition says (P→Q) → (¬Q→¬P) [Hughes/Cresswell]
4. Formal Logic / B. Propositional Logic PL / 4. Soundness of PL
9543 The rules preserve validity from the axioms, so no thesis negates any other thesis [Hughes/Cresswell]
5. Theory of Logic / K. Features of Logics / 4. Completeness
9544 A system is 'weakly' complete if all wffs are derivable, and 'strongly' if theses are maximised [Hughes/Cresswell]
21. Aesthetics / C. Artistic Issues / 7. Art and Morality
468 Musical performance can reveal a range of virtues [Damon of Ath.]
26. Natural Theory / D. Laws of Nature / 4. Regularities / a. Regularity theory
9410 Physical Laws are rhythms and patterns in nature, revealed by analysis [Feynman]
27. Natural Reality / B. Modern Physics / 2. Electrodynamics / d. Quantum mechanics
18530 Nobody understands quantum mechanics [Feynman]
27. Natural Reality / C. Space / 3. Points in Space
17707 We should regard space as made up of many tiny pieces [Feynman, by Mares]