Title Text:Actually, the fact that Mars is still orbiting safely over here means that it was technically an *Euler* apocalypse, not a Venn one. Origin:https://xkcd.com/2903/ https://www.explainxkcd.com/wiki/index.php/2903:_Earth/Venus_Venn_Diagram 地球/金星维恩图 火星仍然安全地绕着这里运行这一事实意味着，从技术上讲，这是一场“欧拉”末日，而不是维恩末日。 https://xkcd.in/comic?lg=cn&id=2903 维恩图通过展示共同和不同的元素来说明集合之间的关系和差异，使用重叠的圆… Read more