Pairing Peter May's discussion of the van Kampen theorem with Lang's discussion of the free product. It wasn't meant to be easy, I guess
Man is born free, yet everywhere he is a homomorphic image subject to nontrivial generator relations
In general relativity there is this rubbish sheet analogy that spacetime is like a fabric, and it is rubbish
"[I]t is clear that the commutator subgroup is at the heart of solvability..."
It is hillarious that this is all Lang says about the connection between the two
Aristotle is said in many ways. Among common men it's said Aristotle. Among people not prone to bastardize Greek he is called Aristoteles. Among the Medieval men he is simply called The Philosopher.
Today I got an interaction with a student getting me to think about the power of Abel summation again. That kindled some kind of spark of passion for math in me
Substantiv är namn på ting, till exempel grupp och ring. Verb är sådant som man gör; avbildar, verkar, och förgör
In English, Socrates asks what justice is. In Swedish he asks what "rättrådighet" is. Like, I have no clue, Socrates, because you used some archaic Swedish word I've never seen before


