Combining Philosophers

All the ideas for Hilbert,D/Ackermann,W, Walter Burley and Christopher Janaway

expand these ideas     |    start again     |     specify just one area for these philosophers

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5 ideas

2. Reason / A. Nature of Reason / 5. Objectivity

21373

We become objective when we detach ourselves from the world [Janaway]

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]

9. Objects / E. Objects over Time / 6. Successive Things

16698

Days exist, and yet they seem to be made up of parts which don't exist [Burley]

16690

Unlike permanent things, successive things cannot exist all at once [Burley]

12. Knowledge Sources / B. Perception / 2. Qualities in Perception / c. Primary qualities

16719

The primary qualities are mixed to cause secondary qualities [Burley]