The grue emerald problem surely ranks with the Gettier problem as a red herring of the first order, generated by the misguided quest for confirmation, like Hempel’s paradox of the ravens. The paradox of the ravens means that the existence of a non-black non-raven like a white shoe or a green lizard gets to increase the likelihood that all ravens are black.

Goodman’s grue emeralds and the “new riddle of induction” | critical rationalism blog Saturday, April 19, 2014 @ 8:06pm