 Philosophers, retreating from concrete detail to their abstract formalisms, make science look far more rational than it is, stressed Feyerabend. “[H]istory, not argument, undermined the gods”, and also undermined Aristotelian science and several later scientific orthodoxies (1989: 397, his emphasis). Feyerabend rejected “the separability thesis”, according to which a highly contingent historical processes can furnish scientific products that are true and non-contingent, products that have achieved escape velocity from history as it were (my expression). However, although not as pronounced as in Lakatos, there remain traces of historicist consequentialism in Feyerabend’s view, as when he wrote that “scientific achievements can be judged only after the event” ([1975] 1993: 2). There is no “theory” of scientific rationality in Feyerabend, only a historicist anti-theory, as it were; but he was not quite the irrationalist that critics took him to be. (See the entry on  Feyerabend.  For recent work on historical contingency, see Stanford 2006 and Soler et al. 2015.)