| It's hard to envision neurasthenic pulling or other activity, but I don't grok Hegelian infinitesimals either. |
| These two concepts, infinitesimals and infinite quantities, however, were stirring great philosophical dilemmas. |
| During the nineteenth century all definitions and proofs in the Leibniz style were rewritten to talk of limits instead of infinitesimals. |
| Since his work made its appearance just before the dawn of calculus, infinitesimals will be used in the sequel. |
| Angeli's many works were on infinitesimals and he used them to study spirals, parabolas and hyperbolas. |
| Also in 1786 he again worked on his ideas for the differential and integral calculus, giving a new treatment of infinitesimals. |
