Combining Texts

All the ideas for '67: Platonic Questions', 'Commentary on the Sentences' and 'Intellectual Autobiography'

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11 ideas

3. Truth / B. Truthmakers / 5. What Makes Truths / a. What makes truths

18901

Truthmakers are facts 'of' a domain, not something 'in' the domain [Sommers]

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

18904

'Predicable' terms come in charged pairs, with one the negation of the other [Sommers, by Engelbretsen]

18895

Logic which maps ordinary reasoning must be transparent, and free of variables [Sommers]

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

18897

Predicate logic has to spell out that its identity relation '=' is an equivalent relation [Sommers]

5. Theory of Logic / E. Structures of Logic / 1. Logical Form

18893

Translating into quantificational idiom offers no clues as to how ordinary thinkers reason [Sommers]

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / c. not

18903

Sommers promotes the old idea that negation basically refers to terms [Sommers, by Engelbretsen]

5. Theory of Logic / E. Structures of Logic / 7. Predicates in Logic

18894

Predicates form a hierarchy, from the most general, down to names at the bottom [Sommers]

7. Existence / D. Theories of Reality / 2. Realism

18900

Unfortunately for realists, modern logic cannot say that some fact exists [Sommers]

9. Objects / D. Essence of Objects / 12. Essential Parts

16792

If parts change, the whole changes [William of Ockham]

15. Nature of Minds / A. Nature of Mind / 2. Psuche

5960	When the soul is intelligent and harmonious, it is part of god and derives from god [Plutarch]

19. Language / B. Reference / 1. Reference theories

18898

In standard logic, names are the only way to refer [Sommers]