Combining Texts

All the ideas for 'Mathematics and Indispensibility', 'Among the Dead Cities' and 'Anselm and Actuality'

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

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4 ideas

4. Formal Logic / D. Modal Logic ML / 4. Alethic Modal Logic

16456

For modality Lewis rejected boxes and diamonds, preferring worlds, and an index for the actual one [Lewis, by Stalnaker]

7. Existence / D. Theories of Reality / 11. Ontological Commitment / e. Ontological commitment problems

9558	All scientific tests will verify mathematics, so it is a background, not something being tested [Sober]

20. Action / C. Motives for Action / 5. Action Dilemmas / b. Double Effect

7293	It is legitimate to do harm if it is the unintended side-effect of an effort to achieve a good [Grayling]

25. Social Practice / E. Policies / 1. War / a. Just wars

7292	War must also have a good chance of success, and be waged with moderation [Grayling]