Combining Texts

All the ideas for 'The Sign of Four', 'Rules for the Direction of the Mind' and 'Notes on John Wilkins'

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

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3 ideas

9. Objects / D. Essence of Objects / 14. Knowledge of Essences

12694

Essence is the distinct thinkability of anything [Leibniz]

11. Knowledge Aims / B. Certain Knowledge / 1. Certainty

9807	In pursuing truth, anything less certain than mathematics is a waste of time [Descartes]

14. Science / C. Induction / 1. Induction

22200

If you eliminate the impossible, the truth will remain, even if it is weird [Conan Doyle]