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Ideas for 'reports', 'Medical Conceptions of Health pre-Renaissance' and 'Epistemological Disjunctivism'

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2 ideas

2. Reason / A. Nature of Reason / 9. Limits of Reason

1800	Sceptics say reason is only an instrument, because reason can only be attacked with reason [Pyrrho, by Diog. Laertius]
	Full Idea: The Sceptics say that they only employ reason as an instrument, because it is impossible to overturn the authority of reason, without employing reason.
	From: report of Pyrrho (reports [c.325 BCE]) by Diogenes Laertius - Lives of Eminent Philosophers 09.Py.8

2. Reason / E. Argument / 1. Argument

19504	My modus ponens might be your modus tollens [Pritchard,D]
	Full Idea: One philosopher's modus ponens is another philosopher's modus tollens.
	From: Duncan Pritchard (Epistemological Disjunctivism [2012], 3.§2)
	A reaction: [Anyone know the originator of this nice thought?] You say A is true, and A proves B, so B is true. I reply that if A proves something as daft as B, then so much the worse for A. Ain't it the truth?