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DTSTART;TZID=America/Toronto:20180913T153000
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URL:https://uwaterloo.ca/pure-mathematics/events/model-theory-seminar-12
SUMMARY:Model Theory Seminar
CLASS:PUBLIC
DESCRIPTION:LEVON HAYKAZYAN\, DEPARTMENT OF PURE MATHEMATICS\, UNIVERSITY O
 F\nWATERLOO\n\n\"Sheaves of Structures and Positive Model Theory\"\n\nCan 
 we relax the assumptions on Łoś's theorem if we only care about\npositiv
 e formulas? The answer to this question will lead us\nto rediscover sheav
 es of structures and generalised ultraproducts.\n\nMC 5403
DTSTAMP:20260412T055313Z
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