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3 ideas
7452 | An experiment is a test, or an adventure, or a diagnosis, or a dissection [Hacking, by PG] |
7006 | Observing irrelevant items supports both 'all x are y' and 'all x are non-y', revealing its absurdity [Schofield,J] |
7459 | Follow maths for necessary truths, and jurisprudence for contingent truths [Hacking] |