Combining Texts

All the ideas for 'Isagoge ('Introduction')', 'Principles of Theoretical Logic' and 'Scientific Thought'

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7 ideas

4. Formal Logic / C. Predicate Calculus PC / 1. Predicate Calculus PC

17750

The first clear proof of the consistency of the first order predicate logic was in 1928 [Hilbert/Ackermann, by Walicki]

8. Modes of Existence / D. Universals / 1. Universals

15034

Are genera and species real or conceptual? bodies or incorporeal? in sensibles or separate from them? [Porphyry]

9. Objects / E. Objects over Time / 4. Four-Dimensionalism

14759

A thing is simply a long event, linked by qualities, and spatio-temporal unity [Broad]

11842

If short-lived happenings like car crashes are 'events', why not long-lived events like Dover Cliffs? [Broad]

27. Natural Reality / D. Time / 1. Nature of Time / g. Growing block

8160	The present and past exist, but the future does not [Broad, by Dummett]

14609

We could say present and past exist, but not future, so that each event adds to the total history [Broad]

27. Natural Reality / D. Time / 2. Passage of Time / d. Time series

22933

We imagine the present as a spotlight, moving across events from past to future [Broad]