[finite-model-theory] WCP6 and SQUARE7 - Deadline Extension: May 31st

The deadline for the twin events WCP6 and SQUARE7 has been extended up to May 31st, see below. Jean-Yves Beziau https://sites.google.com/view/miaou-rio/jyb

------------------------------------------------------------------ 6th World Congress on Paraconsistency Torun, Poland, September 5-8, 2022 https://wcp6.umk.pl/

7th World Congress on the Square of Opposition Leuven, Belgium, September 9-13, 2022 https://www.square-of-opposition.org/