Combining Texts
Ideas for
'Nietzsche and Philosophy', 'The Evolution of Logic' and 'Ontology and the Ambitions of Metaphysics'
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14 ideas
5. Theory of Logic / A. Overview of Logic / 7. Second-Order Logic
21657
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Since properties can have properties, some theorists rank them in 'types' [Hofweber]
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5. Theory of Logic / F. Referring in Logic / 1. Naming / c. Names as referential
21653
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Maybe not even names are referential, but are just by used by speakers to refer [Hofweber]
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5. Theory of Logic / F. Referring in Logic / 1. Naming / d. Singular terms
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'Singular terms' are not found in modern linguistics, and are not the same as noun phrases [Hofweber]
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21637
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If two processes are said to be identical, that doesn't make their terms refer to entities [Hofweber]
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5. Theory of Logic / G. Quantification / 1. Quantification
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The inferential quantifier focuses on truth; the domain quantifier focuses on reality [Hofweber]
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5. Theory of Logic / G. Quantification / 3. Objectual Quantification
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The universal quantifier can't really mean 'all', because there is no universal set [Hart,WD]
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5. Theory of Logic / J. Model Theory in Logic / 1. Logical Models
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Modern model theory begins with the proof of Los's Conjecture in 1962 [Hart,WD]
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13505
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Model theory studies how set theory can model sets of sentences [Hart,WD]
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13511
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Model theory is mostly confined to first-order theories [Hart,WD]
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Models are ways the world might be from a first-order point of view [Hart,WD]
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5. Theory of Logic / K. Features of Logics / 6. Compactness
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First-order logic is 'compact': consequences of a set are consequences of a finite subset [Hart,WD]
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5. Theory of Logic / L. Paradox / 4. Paradoxes in Logic / c. Berry's paradox
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Berry's Paradox: we succeed in referring to a number, with a term which says we can't do that [Hart,WD]
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5. Theory of Logic / L. Paradox / 5. Paradoxes in Set Theory / c. Burali-Forti's paradox
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The Burali-Forti paradox is a crisis for Cantor's ordinals [Hart,WD]
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5. Theory of Logic / L. Paradox / 6. Paradoxes in Language / a. The Liar paradox
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The machinery used to solve the Liar can be rejigged to produce a new Liar [Hart,WD]
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