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6343
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For Russell, both propositions and facts are arrangements of objects, so obviously they correspond [Horwich on Russell]
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Full Idea:
Given Russell's notion of a proposition, as an arrangement of objects and properties, it is hard to see how there could be any difference at all between such a proposition and the fact corresponding to it, since they each involve the same arrangement.
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From:
comment on Bertrand Russell (On the Nature of Truth and Falsehood [1910]) by Paul Horwich - Truth (2nd edn) Ch.7.35
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A reaction:
This seems a little unfair, given that Russell (in 1912) uses the notion now referred to as 'congruence', so that the correspondence is not in the objects and properties, but in how they are 'ordered', which may differ between proposition and fact.
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13048
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Good explications are exact, fruitful, simple and similar to the explicandum [Carnap, by Salmon]
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Full Idea:
Carnap's four criteria for giving a good explication are similarity to the explicandum, exactness, fruitfulness and simplicity.
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From:
report of Rudolph Carnap (Logical Foundations of Probability [1950], Ch.1) by Wesley Salmon - Four Decades of Scientific Explanation 0.1
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A reaction:
[compressed] Salmon's view is that this represents the old attitude, that the contribution of philosophy to explanation is the clarification of the key concepts. Carnap is, of course, a logical empiricist.
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7534
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In 1906, Russell decided that propositions did not, after all, exist [Russell, by Monk]
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Full Idea:
With a characteristic readiness to abandon views that he had previously considered definitively correct, Russell declared in 1906 that there were, after all, no such 'things' as propositions. It is judgements that are true or false.
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From:
report of Bertrand Russell (On the Nature of Truth and Falsehood [1910]) by Ray Monk - Bertrand Russell: Spirit of Solitude Ch.6
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A reaction:
Written 1906. Russell developed a 'multiple relation theory of judgement'. But if a judgement is an assessment of truth or falsehood, what is it that is being assessed?
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