Simple math problem. What does this equal? 
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Bro, as the whole physics folk, you have to use real notation, not bullshit ones. Explain me wtf is int(dx.f(x)) ?
big mood.. it's just notation and as such one ought to not get attached to it
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Omg i love you bro... but accept it physicist destroys the math rules by using their notations...
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notation has nothing to do with "rules"
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I once was told "Differential geometry is invariant under changes of notation", which somehow seems apt here :)
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I heard it told as "Differential geometry is the study of those things which are invariant under changes of notation" which feels a bit more pointed
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it shouldn't be confusing if you know what you're doing ;)
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