I still prefer to write out mathematical proofs sloppily (and with a lot of the nitty-gritty details missing) in a scrap notebook, then write it more nicely (filling in all details) on computer printer paper, and then…
I still prefer to write out mathematical proofs sloppily (and with a lot of the nitty-gritty details missing) in a scrap notebook, then write it more nicely (filling in all details) on computer printer paper, and then…