tlmgr info mathptmx
tlmgr: cannot find package mathptmx, searching for other matches:
Packages containing `mathptmx' in their title/description:
psnfss - Font support for common PostScript fonts
Packages containing files matching `mathptmx':
breqn:
texmf-dist/tex/latex/breqn/mathptmx.sym
fontinst:
texmf-dist/doc/fonts/fontinst/examples/mathptmx/Makefile
texmf-dist/doc/fonts/fontinst/examples/mathptmx/fontptcmx.tex
texmf-dist/doc/fonts/fontinst/examples/mathptmx/mathptmx.sty
texmf-dist/doc/fonts/fontinst/examples/mathptmx/mathtestx.tex