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9357 | Excluded middle is just our preference for a simplified dichotomy in experience [Lewis,CI] |
Full Idea: The law of excluded middle formulates our decision that whatever is not designated by a certain term shall be designated by its negative. It declares our purpose to make a complete dichotomy of experience, ..which is only our penchant for simplicity. | |
From: C.I. Lewis (A Pragmatic Conception of the A Priori [1923], p.365) | |
A reaction: I find this view quite appealing. 'Look, it's either F or it isn't!' is a dogmatic attitude which irritates a lot of people, and appears to be dispensible. Intuitionists in mathematics dispense with the principle, and vagueness threatens it. |