07 January 2006

in·stan·ti·ate ii...

[Regarding] those matters which I think I see utterly clearly with my mind's eye … when I turn to the things themselves which I think I perceive very clearly, I am so convinced by them that I spontaneously declare: let whoever can do so deceive me, he will never bring it about that I am nothing, so long as I continue to think I am something; or make it true at some future time that I have never existed, since it is now true that I exist; or bring it about that two and three added together are more or less than five, or anything of this kind in which I see a manifest contradiction.

Descartes, Rene; Meditation 3, AT, 7:36

... 2 + 3 = or ≠ 5?

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