Combining Texts

All the ideas for 'Conditionals', 'The Absurd' and 'The Truth in Relativism'

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8 ideas

1. Philosophy / D. Nature of Philosophy / 1. Philosophy
3269 If your life is to be meaningful as part of some large thing, the large thing must be meaningful [Nagel]
10. Modality / B. Possibility / 8. Conditionals / a. Conditionals
13768 Validity can preserve certainty in mathematics, but conditionals about contingents are another matter [Edgington]
10. Modality / B. Possibility / 8. Conditionals / b. Types of conditional
13770 There are many different conditional mental states, and different conditional speech acts [Edgington]
10. Modality / B. Possibility / 8. Conditionals / c. Truth-function conditionals
13764 Are conditionals truth-functional - do the truth values of A and B determine the truth value of 'If A, B'? [Edgington]
13765 'If A,B' must entail ¬(A & ¬B); otherwise we could have A true, B false, and If A,B true, invalidating modus ponens [Edgington]
13. Knowledge Criteria / C. External Justification / 8. Social Justification
3270 Justifications come to an end when we want them to [Nagel]
22. Metaethics / A. Ethics Foundations / 1. Nature of Ethics / f. Ethical non-cognitivism
22450 If moral systems can't judge other moral systems, then moral relativism is true [Williams,B, by Foot]
23. Ethics / F. Existentialism / 2. Nihilism
3268 If a small brief life is absurd, then so is a long and large one [Nagel]