The lattice of sets of natural numbers is rich. It is universal for all countable orders; it has uncountable chains isomorphic to the reals; it has uncountable antichains; yet it is highly homogeneous. https://t.co/wXdJzRSNCQ
Men's Tennis Grand Slam Wins: since 2003 Federer, Nadal, and Djokovic won 20 Grand Slams each (60 in total) and everyone else won 14. I guess they really know their way around a tennis racket… Source: https://t.co/wHAJqpzh9Kpic.twitter.com/CsDZqEuidB
“There are only two kinds of languages: the ones people complain about and the ones nobody uses.” Bjarne Stroustrup, The C++ Programming Languagehttps://t.co/65ie5hAhM6
Liouville proved the following property of the divisors of the divisors of a number: 1) Start with a number (e.g. 10) 2) Write down its divisors (1,2,5,10) 3) Write down the number of divisors of each divisor (1,2,2,4) 4) (1+2+2+4)²=81=1³+2³+2³+4³ pic.twitter.com/6YbXLdSszC