Mathematics on Andrew Helwer
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Recent content in Mathematics on Andrew HelwerHugo -- gohugo.ioen-usSun, 05 Apr 2020 00:00:00 +0000Doing a math assignment with the Lean theorem prover
https://ahelwer.ca/post/2020-04-05-lean-assignment/
Sun, 05 Apr 2020 00:00:00 +0000https://ahelwer.ca/post/2020-04-05-lean-assignment/Turn back the clock to 2009: a confused physics major newly infatuated with math and computer science, I enrolled in MATH 273: Numbers and Proofs at the University of Calgary. This wasn’t my first encounter with mathematical proof; in first-year calculus I’d mastered rote regurgitation of delta-epsilon proofs. Despite writing out several dozen, their meaning never progressed beyond a sort of incantation I can summon to this day (for every \( \epsilon > 0 \) there exists a \( \delta > 0 \) such that…).