Combining Texts

All the ideas for 'fragments/reports', 'An Introduction to Modal Logic' and 'The Problem of Knowledge'

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11 ideas

2. Reason / F. Fallacies / 1. Fallacy
19463 Induction assumes some uniformity in nature, or that in some respects the future is like the past [Ayer]
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]
11. Knowledge Aims / B. Certain Knowledge / 5. Cogito Critique
19461 Knowing I exist reveals nothing at all about my nature [Ayer]
19459 To say 'I am not thinking' must be false, but it might have been true, so it isn't self-contradictory [Ayer]
19460 'I know I exist' has no counterevidence, so it may be meaningless [Ayer]
14. Science / A. Basis of Science / 6. Falsification
19464 We only discard a hypothesis after one failure if it appears likely to keep on failing [Ayer]
14. Science / C. Induction / 2. Aims of Induction
19462 Induction passes from particular facts to other particulars, or to general laws, non-deductively [Ayer]
21. Aesthetics / C. Artistic Issues / 7. Art and Morality
468 Musical performance can reveal a range of virtues [Damon of Ath.]