/sci/ - Science & Math

>>12001846
>pic related definition of infinity at the bottom of page 4

>>12001752
>(-inf, inf) isnt well defined until after you define it
That's also wrong. I can write f(x) = d\dx {sin(x) g(x)} and define g(x) a little later in the paper. When g(x) is a well-known symbol and I'm using the standard definition, what you say is especially wrong.