Today, January 14, 2019, is the 1st World Logic Day. January 14 is the day of birth of Alfred Tarski (1901) and the day of death of Kurt Gödel (1978).
The 1st WLD is celebrated in a great variety of cities/countries all over the world: Warsaw, Kolkata, Athens, Tehran, Berlin, Lisbon, St Petersburg, Rio de Janeiro, Mecca, Montreal, Vatican City, etc.: http://www.logica-universalis.org/wld Jean-Yves Beziau Editor-in-Chief Logica Universalis
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