Hence may easily be shown what magnetic force is exercised in each point of space by the earth, however the magnetic fluids may be distributed therein. Imagine the whole volume of the earth, as far as it contains free magnetism (that is to say, separated magnetic fluids), to be divided into infinitely small elements; designate generally the quantity of free magnetic fluid contained in each of these elements by , in which the southern fluid is always considered as negative; call the distance of from a point in space, the rectangular co-ordinates of which may be , , ; lastly, let denote the aggregate of comprehending with reversed signs the whole of the magnetic particles of the earth: or say
yeah mathematicians of that era were pretty fast and loose with infinitesimals and didn't know what they were doing
mathematicians abandoned infinitesimals shortly after gauss's time i believe, for the dreaded epsilon-delta definition, and it wasn't until the 70s or so that a logical basis for working with infinitesimals was found
i wish i were more into math... i enjoy having puzzles to solve, but i don't have the patience to tackle anything beyond a certain difficulty level
anyway, since the OP is Myr i'm guessing the joke here is a dig at threads by non-philosophers ranting about philosophers for using philosophical jargon
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anyway, time to save the picture in the OP as a reaction image.
anyway, since the OP is Myr i'm guessing the joke here is a dig at threads by non-philosophers ranting about philosophers for using philosophical jargon