Combining Texts

All the ideas for 'Theory of Knowledge (2nd edn)', 'The Concept of Logical Consequence' and 'Substance and Essence in Aristotle'

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10 ideas

1. Philosophy / C. History of Philosophy / 4. Later European Philosophy / b. Seventeenth century philosophy

2945	Most philosophers start with reality and then examine knowledge; Descartes put the study of knowledge first [Lehrer]

1. Philosophy / F. Analytic Philosophy / 4. Conceptual Analysis

2946	You cannot demand an analysis of a concept without knowing the purpose of the analysis [Lehrer]

5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence

14181

Validity is where either the situation or the interpretation blocks true premises and false conclusion [Etchemendy, by Read]

14180

Etchemendy says fix the situation and vary the interpretation, or fix interpretations with varying situations [Etchemendy, by Read]

9. Objects / D. Essence of Objects / 2. Types of Essence

12066

Aristotelian and Kripkean essentialism are very different theories [Witt]

9. Objects / D. Essence of Objects / 4. Essence as Definition

12067

An Aristotelian essence is a nonlinguistic correlate of the definition [Witt]

9. Objects / D. Essence of Objects / 6. Essence as Unifier

12082

If unity is a matter of degree, then essence may also be a matter of degree [Witt]

9. Objects / D. Essence of Objects / 8. Essence as Explanatory

12089

Essences mainly explain the existence of unified substance [Witt]

9. Objects / E. Objects over Time / 12. Origin as Essential

12102

Essential properties of origin are too radically individual for an Aristotelian essence [Witt]

26. Natural Theory / D. Laws of Nature / 8. Scientific Essentialism / a. Scientific essentialism

12085

Reality is directional [Witt]