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File: 20 KB, 399x489, 1503009808694.jpg [View same] [iqdb] [saucenao] [google]

9456642

Anonymous Tue Jan 23 21:04:24 2018 No.9456642 [Reply] [Original]

>"an obvious bijection..."
>isn't obvious

>>	Anonymous Tue Jan 23 21:07:40 2018 No.9456651 Are you a TA? Lol ive encountered this before marking undergrad assignments. You were there once too, anon

>>	Anonymous Tue Jan 23 21:09:20 2018 No.9456654 File: 92 KB, 295x229, 1491157309245.png [View same] [iqdb] [saucenao] [google] >>9456651 other way around, I'm the undergrad trying to understand these proofs.

>>	Anonymous Tue Jan 23 21:16:37 2018 No.9456670 Can you post the proof in question?