abstruse goose

怪兽战记

Warrior

saint_curious_george

Don’t just read it; fight it! Ask your own questions,
look for your own examples, discover your own proofs.
Is the hypothesis necessary? Is the converse true?
What happens in the classical special case? What
about the degenerate cases? Where does the proof
use the hypothesis?

— Paul R. Halmos

Paul R. Halmos,哈尔莫斯,匈牙利出生的美国数学家/哲学家,著有测度论/遍历论等书。

股市双向炮

Signs

Neural Implant

party

Behold the pale horse…

I_am_come_to_make_thee_understand_what_shall_befall_thy_people

deleted

DOES_NOT_EXIST

school

every_time_your_dog_fetches_a_ball_it_is_doing_calculus

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