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#### OhMyMarkov

##### Member

- Mar 5, 2012

- 83

Now this may seem silly to you, but I'm rather interested in syntax on this one:

$\displaystyle \int _a ^b f(x)dx= - \int _b ^a f(x)dx$, but $\displaystyle \Sigma_{n=A} ^B = \Sigma_{n=B} ^A$ i.e. there is no need for a minus sign, is this generally accepted in terms of syntax?

Thank you.