how to bold and embiggen variable using latex_name

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I am attempting to recreate variables and expressions from an academic paper. I would like to be able to calculate with the variables/expressions and to typeset them using Latex.

Here is what is working in Command-Line, CoCalc, jupyter notebook but not SageMath Cell (which just show a blank after evaluation):

P = var('P', latex_name='\mathscr{P}'); view(P)

An uppercase cursive/script P is shown.

If I try to em-bold it, like so:

P = var('P', latex_name='\bold\mathscr{P}'); view(P)

Then:

1) Command line SageMath produces about 200 lines of error message beginning with:

An error occurred. This is pdfTeX, Version 3.141592653-2.6-1.40.22 (TeX Live 2021) (preloaded format=pdflatex 2021.6.3) 9 JUN 2021 13:50

...

2) SageMath cell server -- using doubled '\'s -- again, produces blanks after evaluation

3) CoCalc -- again, using doubled '\'s -- outputs "\bold" followed by a properly typeset cursive-script uppercase P

4) jupyter notebook produces 200+ error message lines beginning with:

An error occurred. This is pdfTeX, Version 3.141592653-2.6-1.40.22 (TeX Live 2021) (preloaded format=pdflatex 2021.6.3) 9 JUN 2021 13:56

So...it may well be that using the MacOS 9.3.rc4 has issues, or that I have failed to properly install MacTex but CoCalc should work -- if only I input the correct argument.

I apologize if this is/seems like a RTFM situation.