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Question: Can't restore default :-diff after using Physics:-diff or with(Physics)

Question:Can't restore default :-diff after using Physics:-diff or with(Physics)

Carl Love 27224 Maple 2022
diff physics
September 25 2022
3

What's going on in the following? Why can't I restore the default behavior of diff after using Physics:-diff or even just using with(Physics)? Is it because of Physics:-ModuleLoad()?

> 

restart:
> 

diff(conjugate(f(x)), x);

(diff(f(x), x))*(-conjugate(f(x))/f(x)+2*abs(1, f(x))/signum(f(x)))

> 

Physics:-diff(conjugate(f(x)), x);

diff(conjugate(f(x)), x)

> 

forget(.., conjugate(f(x)));
> 

diff(conjugate(f(x)), x);

diff(conjugate(f(x)), x)

> 

restart:
> 

with(Physics):
> 

:-diff(:-conjugate(f(x)), x);

diff(conjugate(f(x)), x)

> 

 

Download PhysicsDiff.mw

I don't know why the prettyprinted output of my worksheet is shown the way that it is above. I didn't do anything differently than I usually do to upload a worksheet. Anyway, the output is simple enough that I think that my Question is still clear.
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