%0 Video %T Philosophy 167: Class 2 - Part 15 - A Crisis in Mathematical Astronomy: the Calculational Equivalency of Three Different Systems, and the Attraction of Pyrrhonism. %A Smith, George E. (George Edwin), 1938- %D 2015-09-02T18:48:15.751Z %8 2015-09-02 %I Tufts Archival Research Center %R http://localhost/files/8336hd362 %X Synopsis: Points out that there is no way to choose between the 3 systems if the only form of empirical data we have are observed longitudes and latitudes; places astronomy in the historical context of the mid-16th century and reviews the rise of Pyrrhonism.; Opening line: "At any rate, what I want to lead up to now, and I've got four minutes, I'll do my best with this. What we've got here in the 1590s is three systems."; Duration: 7:01 minutes.; Segment: Class 2, Part 15. %G eng %[ 2022-02-02 %~ Tufts Digital Library %W Institution