BEGIN:VCALENDAR VERSION:2.0 PRODID:-//Drupal iCal API//EN X-WR-CALNAME:Events items teaser X-WR-TIMEZONE:America/Toronto BEGIN:VTIMEZONE TZID:America/Toronto X-LIC-LOCATION:America/Toronto BEGIN:DAYLIGHT TZNAME:EDT TZOFFSETFROM:-0500 TZOFFSETTO:-0400 DTSTART:20190310T070000 END:DAYLIGHT BEGIN:STANDARD TZNAME:EST TZOFFSETFROM:-0400 TZOFFSETTO:-0500 DTSTART:20181104T060000 END:STANDARD END:VTIMEZONE BEGIN:VEVENT UID:683a433683281 DTSTART;TZID=America/Toronto:20190620T160000 SEQUENCE:0 TRANSP:TRANSPARENT DTEND;TZID=America/Toronto:20190620T160000 URL:/combinatorics-and-optimization/events/joint-pm-and -co-colloquium-eric-thomas-boulter SUMMARY:Joint PM and C&O Colloquium - Eric Thomas Boulter CLASS:PUBLIC DESCRIPTION:Summary \n\nTITLE: The Parallel Postulate: a 2000-year controv ersy\n\nSpeaker:\n Eric Thomas Boulter\n\nAffiliation:\n University of Wat erloo\n\nRoom:\n MC 5501 (Snacks served at 3:30 pm)\n\nABSTRACT:\n\nEuclid 's book The Elements was groundbreaking in its logical\nformulation of syn thetic geometry\, and it is profoundly influential to\nthis day\, as it is widely considered to be the most published\nnon-religious book in human h istory.\n DTSTAMP:20250530T234558Z END:VEVENT END:VCALENDAR