Formally you can multiply two series, even if they are not coverging. For example by the box method,
you can multiply the following two series:
s = 1 - 1 + 1 - 1 ... = diverges
t = 0 + 1 - 1 + 1 ... = diverges
By the box method you get:
s*t = 0 + 0 + 0 + 0 + ... = 0
So Newton and all these guys that don't use convergence criteria, might get converging series as some end-product, maybe claiming wrong poperties about these series.
For example if Newton would believe that s had a value and that t had a value, he would have believed that he had found a factoring of zero:
s*t = 0
Or there are bird brains such as John Gabriel, who believe they have found a new calculus, by not working rigorously.
Am Samstag, 30. September 2017 20:36:47 UTC+2 schrieb John Gabriel: > The piece of shit Cauchy wasn't even born when Newton pondered these things. > You consistently misunderstand the crux of my comments. It would help if you tried to at least improve your reading comprehension skills.