[Phys-L] Re: Elecric Field Lines

[John Mallinckrodt <ajm@CSUPOMONA.EDU>]

> John,
> On second thought, I see your point

... and on second thought, I see that I should not have had such a
quick trigger finger in replying to your first message.  You have
very precisely identified the problem here:

> - even granting the inference "any and all Cvectors"- that this is
> not a canceling operation.  It is one of those liberties which we
> take with mathematical rigor, as eg; replacing (ds/dt)*dt  with ds
> and calling it "canceling" the dt.
>
> There is a justifying logic, but "canceling" is not the proper word for it.

--
John "Slo" Mallinckrodt

Professor of Physics, Cal Poly Pomona
<http://www.csupomona.edu/~ajm>

and

Lead Guitarist, Out-Laws of Physics
<http://www.csupomona.edu/~hsleff/OoPs.html>
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