Several philosophers and historians of science have, however, argued that Popper's definition of theory as a set of falsifiable statements is wrong because, as Philip Kitcher has pointed out, if one took a strictly Popperian view of "theory", observations of Uranus when first discovered in 1781 would have "falsified" Newton's celestial mechanics.
Sakéwanten, makudang kudung filsuf miwah sujana sejarawan sains maosang indik parinam teori Popper maosang pinaka pamargin asiki pitakén sané prasida kapalsuang wantah iwang santukan,sekadi sané sampun kacihnayang olih Philip Kitcher, yéning jagi ngambil pamineh saking "teori" Popper sané ketat, panyelehan Uranus duk kapertama ring warsa 1781 pacang "malsuang" mekanika angkasa Newton