Combining Texts

All the ideas for 'fragments/reports', 'Modal Logic within Counterfactual Logic' and 'Vagueness and Contradiction'

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29 ideas

1. Philosophy / F. Analytic Philosophy / 7. Limitations of Analysis
9136 The paradox of analysis says that any conceptual analysis must be either trivial or false [Sorensen]
2. Reason / B. Laws of Thought / 1. Laws of Thought
9131 Two long understandable sentences can have an unintelligible conjunction [Sorensen]
2. Reason / C. Styles of Reason / 1. Dialectic
20768 Like spiderswebs, dialectical arguments are clever but useless [Ariston, by Diog. Laertius]
3. Truth / B. Truthmakers / 6. Making Negative Truths
9139 If nothing exists, no truthmakers could make 'Nothing exists' true [Sorensen]
3. Truth / B. Truthmakers / 12. Rejecting Truthmakers
9140 Which toothbrush is the truthmaker for 'buy one, get one free'? [Sorensen]
4. Formal Logic / D. Modal Logic ML / 3. Modal Logic Systems / h. System S5
14626 In S5 matters of possibility and necessity are non-contingent [Williamson]
5. Theory of Logic / D. Assumptions for Logic / 1. Bivalence
9119 No attempt to deny bivalence has ever been accepted [Sorensen]
5. Theory of Logic / E. Structures of Logic / 4. Variables in Logic
9135 We now see that generalizations use variables rather than abstract entities [Sorensen]
5. Theory of Logic / L. Paradox / 3. Antinomies
9125 Denying problems, or being romantically defeated by them, won't make them go away [Sorensen]
5. Theory of Logic / L. Paradox / 6. Paradoxes in Language / a. The Liar paradox
9137 Banning self-reference would outlaw 'This very sentence is in English' [Sorensen]
7. Existence / D. Theories of Reality / 10. Vagueness / c. Vagueness as ignorance
9116 Vague words have hidden boundaries [Sorensen]
9. Objects / B. Unity of Objects / 3. Unity Problems / e. Vague objects
9132 An offer of 'free coffee or juice' could slowly shift from exclusive 'or' to inclusive 'or' [Sorensen]
10. Modality / A. Necessity / 1. Types of Modality
14625 Necessity is counterfactually implied by its negation; possibility does not counterfactually imply its negation [Williamson]
10. Modality / B. Possibility / 8. Conditionals / a. Conditionals
14623 Strict conditionals imply counterfactual conditionals: □(A⊃B)⊃(A□→B) [Williamson]
10. Modality / B. Possibility / 9. Counterfactuals
14624 Counterfactual conditionals transmit possibility: (A□→B)⊃(◊A⊃◊B) [Williamson]
10. Modality / C. Sources of Modality / 1. Sources of Necessity
14531 Rather than define counterfactuals using necessity, maybe necessity is a special case of counterfactuals [Williamson, by Hale/Hoffmann,A]
12. Knowledge Sources / A. A Priori Knowledge / 1. Nature of the A Priori
9128 It is propositional attitudes which can be a priori, not the propositions themselves [Sorensen]
9130 Attributing apriority to a proposition is attributing a cognitive ability to someone [Sorensen]
12. Knowledge Sources / B. Perception / 2. Qualities in Perception / d. Secondary qualities
9118 The colour bands of the spectrum arise from our biology; they do not exist in the physics [Sorensen]
12. Knowledge Sources / B. Perception / 5. Interpretation
9124 We are unable to perceive a nose (on the back of a mask) as concave [Sorensen]
13. Knowledge Criteria / B. Internal Justification / 5. Coherentism / b. Pro-coherentism
9126 Bayesians build near-certainty from lots of reasonably probable beliefs [Sorensen]
13. Knowledge Criteria / D. Scepticism / 3. Illusion Scepticism
9121 Illusions are not a reason for skepticism, but a source of interesting scientific information [Sorensen]
15. Nature of Minds / C. Capacities of Minds / 2. Imagination
14628 Imagination is important, in evaluating possibility and necessity, via counterfactuals [Williamson]
19. Language / A. Nature of Meaning / 5. Meaning as Verification
9134 The negation of a meaningful sentence must itself be meaningful [Sorensen]
19. Language / D. Propositions / 4. Mental Propositions
9133 Propositions are what settle problems of ambiguity in sentences [Sorensen]
23. Ethics / C. Virtue Theory / 2. Elements of Virtue Theory / f. The Mean
3049 The chief good is indifference to what lies midway between virtue and vice [Ariston, by Diog. Laertius]
23. Ethics / D. Deontological Ethics / 1. Deontology
3549 Ariston says rules are useless for the virtuous and the non-virtuous [Ariston, by Annas]
25. Social Practice / A. Freedoms / 4. Free market
9129 I can buy any litre of water, but not every litre of water [Sorensen]
28. God / A. Divine Nature / 4. Divine Contradictions
9122 God cannot experience unwanted pain, so God cannot understand human beings [Sorensen]