Pınar Bekbölet (@pbekbolet) 's Twitter Profile
Pınar Bekbölet

@pbekbolet

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calendar_today02-05-2011 16:50:48

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Pınar Bekbölet
@pbekbolet

6 years ago

no amount of observations of white swans can allow the inference that all swans are white, but the observation of a single black swan is sufficient to refute that conclusion.*