russ_watters
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I can't tell if you're joking or not, but without seeing the context I'd say "maybe", but why bother adding steps to a problem/equation that add no value? Instead of multiplying by 1/2 you could multiply it by 42 and name it TA, but if it doesn't do anything useful, nobody is going to use it. Again; the value in an equation is in what you can do with it.etotheipi said:Couldn't we pick up a copy of Goldstein, meticulously pore over every page replacing every ##T## with a ##\frac{V}{2}## (using ##V \equiv \text{vis viva}##), and still have a coherent picture of mechanics with all the connections still in-tact?