Combining Texts

All the ideas for 'Letters to Edward Stillingfleet', 'Oxford Dictionary of Philosophy' and 'Gentzen's Analysis of First-Order Proofs'

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9 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 / D. Essence of Objects / 3. Individual Essences

15990

Every individual thing which exists has an essence, which is its internal constitution [Locke]

11. Knowledge Aims / B. Certain Knowledge / 1. Certainty

15994

If it is knowledge, it is certain; if it isn't certain, it isn't knowledge [Locke]

12. Knowledge Sources / B. Perception / 4. Sense Data / a. Sense-data theory

6451	Visual sense data are an inner picture show which represents the world [Blackburn]

13. Knowledge Criteria / C. External Justification / 3. Reliabilism / b. Anti-reliabilism

2866	A true belief might be based on a generally reliable process that failed on this occasion [Blackburn]

22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / c. Ethical intuitionism

2864	The main objection to intuitionism in ethics is that intuition is a disguise for prejudice or emotion [Blackburn]

22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / i. Prescriptivism

2865	Critics of prescriptivism observe that it is consistent to accept an ethical verdict but refuse to be bound by it [Blackburn]