Combining Texts

All the ideas for 'Elusive Knowledge', 'Philosophical Remarks' and 'Gentzen's Analysis of First-Order Proofs'

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11 ideas

5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic

13831

Logic is based on transitions between sentences [Prawitz]

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives

13825

Natural deduction introduction rules may represent 'definitions' of logical connectives [Prawitz]

5. Theory of Logic / H. Proof Systems / 4. Natural Deduction

13823

In natural deduction, inferences are atomic steps involving just one logical constant [Prawitz]

9. Objects / A. Existence of Objects / 3. Objects in Thought

22320

An 'object' is just what can be referred to without possible non-existence [Wittgenstein]

11. Knowledge Aims / A. Knowledge / 4. Belief / a. Beliefs

12899

The timid student has knowledge without belief, lacking confidence in their correct answer [Lewis]

11. Knowledge Aims / B. Certain Knowledge / 3. Fallibilism

12897

To say S knows P, but cannot eliminate not-P, sounds like a contradiction [Lewis]

13. Knowledge Criteria / A. Justification Problems / 1. Justification / b. Need for justification

12898

Justification is neither sufficient nor necessary for knowledge [Lewis]

13. Knowledge Criteria / C. External Justification / 6. Contextual Justification / a. Contextualism

12895

Knowing is context-sensitive because the domain of quantification varies [Lewis, by Cohen,S]

19562

We have knowledge if alternatives are eliminated, but appropriate alternatives depend on context [Lewis, by Cohen,S]

19. Language / A. Nature of Meaning / 2. Meaning as Mental

18283

Language pictures the essence of the world [Wittgenstein]

19. Language / A. Nature of Meaning / 5. Meaning as Verification

18282

You can't believe it if you can't imagine a verification for it [Wittgenstein]