Combining Texts

All the ideas for 'Symposium', 'The Concept of a Person' and 'Philosophical Logic: Intro to Advanced Topics'

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16 ideas

4. Formal Logic / A. Syllogistic Logic / 1. Aristotelian Logic

13913

The four 'perfect syllogisms' are called Barbara, Celarent, Darii and Ferio [Engelbretsen/Sayward]

13914

Syllogistic logic has one rule: what is affirmed/denied of wholes is affirmed/denied of their parts [Engelbretsen/Sayward]

4. Formal Logic / A. Syllogistic Logic / 2. Syllogistic Logic

13915

Syllogistic can't handle sentences with singular terms, or relational terms, or compound sentences [Engelbretsen/Sayward]

4. Formal Logic / A. Syllogistic Logic / 3. Term Logic

13916

Term logic uses expression letters and brackets, and '-' for negative terms, and '+' for compound terms [Engelbretsen/Sayward]

5. Theory of Logic / A. Overview of Logic / 4. Pure Logic

13850

In modern logic all formal validity can be characterised syntactically [Engelbretsen/Sayward]

5. Theory of Logic / A. Overview of Logic / 6. Classical Logic

13849

Classical logic rests on truth and models, where constructivist logic rests on defence and refutation [Engelbretsen/Sayward]

5. Theory of Logic / D. Assumptions for Logic / 4. Identity in Logic

13851

Unlike most other signs, = cannot be eliminated [Engelbretsen/Sayward]

5. Theory of Logic / K. Features of Logics / 5. Incompleteness

13852

Axioms are ω-incomplete if the instances are all derivable, but the universal quantification isn't [Engelbretsen/Sayward]

15. Nature of Minds / A. Nature of Mind / 4. Other Minds / b. Scepticism of other minds

5662	Maybe induction could never prove the existence of something unobservable [Ayer]

16. Persons / B. Nature of the Self / 1. Self and Consciousness

5664	Consciousness must involve a subject, and only bodies identify subjects [Ayer]

16. Persons / B. Nature of the Self / 7. Self and Body / a. Self needs body

5668	People own conscious states because they are causally related to the identifying body [Ayer]

16. Persons / C. Self-Awareness / 3. Limits of Introspection

5661	We identify experiences by their owners, so we can't define owners by their experiences [Ayer]

16. Persons / D. Continuity of the Self / 2. Mental Continuity / a. Memory is Self

5666	Not all exerience can be remembered, as this would produce an infinite regress [Ayer]

5665	Memory is the best proposal as what unites bundles of experiences [Ayer]

16. Persons / D. Continuity of the Self / 6. Body sustains Self

5669	Personal identity can't just be relations of experiences, because the body is needed to identify them [Ayer]

22. Metaethics / B. Value / 2. Values / h. Fine deeds

5845	Niceratus learnt the whole of Homer by heart, as a guide to goodness [Xenophon]