Combining Texts

All the ideas for 'Possible Worlds', 'Il Saggiatore ('The Assayer')' and 'Essays on Intellectual Powers 1: Preliminary'

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11 ideas

7. Existence / A. Nature of Existence / 2. Types of Existence
15789 Lewis's distinction of 'existing' from 'being actual' is Meinong's between 'existing' and 'subsisting' [Lycan on Lewis]
10. Modality / E. Possible worlds / 1. Possible Worlds / d. Possible worlds actualism
15790 Lewis can't know possible worlds without first knowing what is possible or impossible [Lycan on Lewis]
15791 What are the ontological grounds for grouping possibilia into worlds? [Lycan on Lewis]
12. Knowledge Sources / B. Perception / 2. Qualities in Perception / d. Secondary qualities
7401 Heat and colour don't exist, so cannot mislead about the external world [Galileo, by Tuck]
5454 Tastes, odours and colours only reside in consciousness, and would disappear with creatures [Galileo]
12. Knowledge Sources / E. Direct Knowledge / 1. Common Sense
23633 Many truths seem obvious, and point to universal agreement - which is what we find [Reid]
14. Science / D. Explanation / 2. Types of Explanation / i. Explanations by mechanism
16560 Galileo introduced geometrico-mechanical explanation, based on Archimedes [Galileo, by Machamer/Darden/Craver]
18. Thought / C. Content / 2. Ideas
23630 Only philosophers treat ideas as objects [Reid]
19. Language / A. Nature of Meaning / 9. Ambiguity
23629 The ambiguity of words impedes the advancement of knowledge [Reid]
26. Natural Theory / A. Speculations on Nature / 4. Mathematical Nature
3645 To understand the universe mathematics is essential [Galileo]
26. Natural Theory / C. Causation / 1. Causation
23632 Similar effects come from similar causes, and causes are only what are sufficient for the effects [Reid]