Combining Texts

All the ideas for 'Ways of Worldmaking', 'Belief Truth and Knowledge' and 'Model Theory'

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23 ideas

1. Philosophy / F. Analytic Philosophy / 5. Linguistic Analysis
17651 Without words or other symbols, we have no world [Goodman]
2. Reason / D. Definition / 7. Contextual Definition
10476 The idea that groups of concepts could be 'implicitly defined' was abandoned [Hodges,W]
3. Truth / A. Truth Problems / 5. Truth Bearers
17652 Truth is irrelevant if no statements are involved [Goodman]
5. Theory of Logic / A. Overview of Logic / 5. First-Order Logic
10478 Since first-order languages are complete, |= and |- have the same meaning [Hodges,W]
5. Theory of Logic / B. Logical Consequence / 4. Semantic Consequence |=
10477 |= in model-theory means 'logical consequence' - it holds in all models [Hodges,W]
5. Theory of Logic / I. Semantics of Logic / 4. Satisfaction
10474 |= should be read as 'is a model for' or 'satisfies' [Hodges,W]
5. Theory of Logic / J. Model Theory in Logic / 1. Logical Models
10475 A 'structure' is an interpretation specifying objects and classes of quantification [Hodges,W]
10473 Model theory studies formal or natural language-interpretation using set-theory [Hodges,W]
10481 Models in model theory are structures, not sets of descriptions [Hodges,W]
6. Mathematics / A. Nature of Mathematics / 5. The Infinite / i. Cardinal infinity
10480 First-order logic can't discriminate between one infinite cardinal and another [Hodges,W]
7. Existence / C. Structure of Existence / 4. Ontological Dependence
17656 Being primitive or prior always depends on a constructional system [Goodman]
7. Existence / C. Structure of Existence / 5. Supervenience / d. Humean supervenience
17661 We don't recognise patterns - we invent them [Goodman]
7. Existence / D. Theories of Reality / 3. Reality
17659 Reality is largely a matter of habit [Goodman]
7. Existence / D. Theories of Reality / 4. Anti-realism
17657 We build our world, and ignore anything that won't fit [Goodman]
7. Existence / E. Categories / 5. Category Anti-Realism
17654 A world can be full of variety or not, depending on how we sort it [Goodman]
9. Objects / F. Identity among Objects / 3. Relative Identity
17653 Things can only be judged the 'same' by citing some respect of sameness [Goodman]
12. Knowledge Sources / B. Perception / 7. Causal Perception
3900 Maybe experience is not essential to perception, but only to the causing of beliefs [Armstrong, by Scruton]
13. Knowledge Criteria / B. Internal Justification / 5. Coherentism / b. Pro-coherentism
17660 Discovery is often just finding a fit, like a jigsaw puzzle [Goodman]
13. Knowledge Criteria / C. External Justification / 1. External Justification
4253 Externalism says knowledge involves a natural relation between the belief state and what makes it true [Armstrong]
14. Science / B. Scientific Theories / 3. Instrumentalism
17658 Users of digital thermometers recognise no temperatures in the gaps [Goodman]
14. Science / B. Scientific Theories / 5. Commensurability
17650 We lack frames of reference to transform physics, biology and psychology into one another [Goodman]
14. Science / C. Induction / 5. Paradoxes of Induction / a. Grue problem
17655 Grue and green won't be in the same world, as that would block induction entirely [Goodman]
26. Natural Theory / A. Speculations on Nature / 1. Nature
17649 If the world is one it has many aspects, and if there are many worlds they will collect into one [Goodman]