Combining Texts

All the ideas for 'Phenomenalism', 'Paradoxes of the Infinite' and 'Possible Worlds'

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7 ideas

4. Formal Logic / F. Set Theory ST / 1. Set Theory

9987	An aggregate in which order does not matter I call a 'set' [Bolzano]

6. Mathematics / A. Nature of Mathematics / 5. The Infinite / a. The Infinite

10856

A truly infinite quantity does not need to be a variable [Bolzano]

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]

11. Knowledge Aims / C. Knowing Reality / 2. Phenomenalism

2614	Modern phenomenalism holds that objects are logical constructions out of sense-data [Ayer]

12. Knowledge Sources / B. Perception / 4. Sense Data / a. Sense-data theory

2615	The concept of sense-data allows us to discuss appearances without worrying about reality [Ayer]