Un photographe croise une famille de lynx dans Charlevoix Posted on 2020/12/10 by Carl Robitaille Reply Un photographe croise une famille de lynx dans Charlevoix Ceci c’est extraordinaire. Même au Biodôme, le lynx est difficile à voir! https://t.co/nPS6yaoaBF— Yves Boisvert (@YvesBoisvert) December 4, 2020
Command Line Interface Guidelines Posted on 2020/12/10 by Carl Robitaille Reply Command Line Interface Guidelines
Without trees and perspective, it’s hard to land on the Moon Posted on 2020/12/10 by Carl Robitaille Reply Without trees and perspective, it's hard to land on the Moon. Here's how it looked this week for Chang'e-5. pic.twitter.com/quNRhoKhdR— Chris Hadfield (@Cmdr_Hadfield) December 3, 2020
Aleph_0 and the axiom of countable choice Posted on 2020/12/10 by Carl Robitaille Reply I went deeper into the rabbit hole and learnt that to show that aleph_0 is the smallest infinite we need the axiom of countable choice! Now I wonder about all those models where countable choice does not hold. What are those infinites smaller than aleph_0?— Jaime Sevilla (@Jsevillamol) December 4, 2020
Pépine soulevée par une grue Posted on 2020/12/10 by Carl Robitaille Reply https://twitter.com/AwardsDarwin/status/1334810198595268615?s=20
