All emerows are grurple


Let “grurple” mean green before a designated “zero hour and purple thereafter. Let “emerow” mean something that is an emerald before the zero hour and a cow thereafter.  Then the green emerald confirms “All emerows are grurple,” which is to say, the green emerald will be a purple cow in 2014.  By suitable choice of terms and zero hour, anything confirms that it will be anything else at any later time.

My attempt at illustrating a thought-provoking (slightly modified) quote. William Poundstone elaborates on Goodman’s paradox in his excellent The Labyrinths of Reason.

Sometimes philosophy can appear slightly weird but I think its natural. Weirdness is a necessary part of philosophy. It’s a fundamental quality philosophers need to work with in examining the limits of thought experiments.



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