 Over the next decade or two, most philosophers of science came to agree that there was a disconnect between science as historically practiced and the normative models of the received philosophers. The historicists therefore presented the philosophical community with a momentous dilemma: either reject most of science to date as irrational or else accept that science is generally rational and use the historical information to revise our deeply entrenched logical and probabilistic conception of rationality. Some positivists and Popperians attempted to finesse option one by arguing that the history of science approximated the traditional view of rationality closely enough if we treated their sanitized, abstract models of science as regulative ideals. Kuhn and other historicists defended option two, taking the rationality of science to be practically axiomatic. Wrote Kuhn,