Combining Texts

All the ideas for 'works (all lost)', 'The Foundations of Empirical Knowledge' and 'The philosophical basis of intuitionist logic'

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8 ideas

4. Formal Logic / E. Nonclassical Logics / 2. Intuitionist Logic

18073

Dummett says classical logic rests on meaning as truth, while intuitionist logic rests on assertability [Dummett, by Kitcher]

5. Theory of Logic / G. Quantification / 1. Quantification

19057

Classical quantification is an infinite conjunction or disjunction - but you may not know all the instances [Dummett]

11. Knowledge Aims / C. Knowing Reality / 2. Phenomenalism

8824	No one has defended translational phenomenalism since Ayer in 1940 [Ayer, by Kim]

13. Knowledge Criteria / D. Scepticism / 3. Illusion Scepticism

2667	A false object might give the same presentation as a true one [Arcesilaus, by Cicero]

19. Language / A. Nature of Meaning / 4. Meaning as Truth-Conditions

19055

Stating a sentence's truth-conditions is just paraphrasing the sentence [Dummett]

19056

If a sentence is effectively undecidable, we can never know its truth conditions [Dummett]

19. Language / A. Nature of Meaning / 6. Meaning as Use

19054

Meaning as use puts use beyond criticism, and needs a holistic view of language [Dummett]

26. Natural Theory / C. Causation / 9. General Causation / d. Causal necessity

15251

The attribution of necessity to causation is either primitive animism, or confusion with logical necessity [Ayer]