Polya reports on Euler performing such checks. I don’t know how many he did – one would have to look at the original papers (which are in Latin), and even they probably omit some of the plausibility checks that Euler did.
Polya reports on Euler performing such checks. I don’t know how many he did – one would have to look at the original papers (which are in Latin), and even they probably omit some of the plausibility checks that Euler did.