American philosopher Israel Scheffler was born on this day in 1923. In his memoir, he explains why he regretted ever meeting Karl Popper.

In preparation for the next World Logic Day on 14 January 2022, let us reshare the four videos from DLMPST/IUHPST Council members prepared for the last #WorldLogicDay earlier this year. 1/5

The first one is from our Past President, Menachem Magidor Hebrew University ... "It is difficult to imagine any intellectual endeavour which does not involve using some form of logic." 2/5

...the second one from our Second Vice President, Verónica Becher... "Logic in education is a fundamental stone for the coputer age." 3/5

... the third one from Council member Valeria de Paiva Dr Valeria dePaiva ... "We must calculate the logical consequences of our actions and inactions." 4/5 dlmps.org/media/videos/d…

... and finally, the fourth one from Council member Andrés Villaveces @avillavecesn . "Logic has been essential in founding the basic layers of many scientific endeavours and the intellectual ground for the possibility of computers. 5/5

¡MAÑANA!📢 #25N DÍA INTERNACIONAL DE LA ELIMINACIÓN DE LA VIOLENCIA CONTRA LAS MUJERES 16 DÍAS DE ACTIVISMO EN CONTRA DE LA VIOLENCIA DE #GÉNERO Transmisión por #Youtube: Cartelera Cultural FFyl mtr.cool/uuntpucror ¡Aparta las fechas! ✍️

Millions are on the streets everyday in LA going about their lives. Kids, the elderly, families, nannies, couriers, dog walkers, working folks. And a wannabe crypto bro just can’t hack it. What a pathetic loser.

“…mathematics educators cannot ignore the fact that their most successful students may become engineers who design lethal weapons or reinforce the practices of brutal capitalism” -Ubiratan D’Ambrosio

One of the key lessons from the emergence of the new B.1.1.159 variant in Southern Africa is that if we don’t address the enormous global inequity in access to Covid-19 vaccines, other variants may emerge that are highly infectious or against which vaccines work less well.

Men: are they too emotional for academia?

"Workshop on Model Theory and Combinatorics" is starting on Monday at The Fields Institute! Co-organized by Caroline Terry and me. fields.utoronto.ca/activities/21-…

Carnap and Quine on Sense and Nonsense sshap.org/2021/11/carnap…

How to solve the 1×1×1 Rubik's cube: youtube.com/watch?v=73VNfi…

Albert Visser: Friedman-reflexivity: interpreters as consistoids arxiv.org/abs/2111.14413 arxiv.org/pdf/2111.14413

Reminder: the free & open textbook forall x: An Introduction to Formal Logic is now available in German and Portuguese!

Grigor Sargsyan, Nam Trang: The Largest Suslin Axiom arxiv.org/abs/2112.04396 arxiv.org/pdf/2112.04396