Much hacking to get this looking okay with math-mode spacing.

Still should do something about type operators.
Make ordinals.tex depend on the mkmunge.exe HOL executable.
More space-eliminating prettification in the overrides.
Given -mc as my math-spacing, enlarge indenting breaks (for =, <=>, ==>)
Many minor prettifications, including use of charter for type operators.
Some fiddling with font sizes.
Use the \qed command to end my proofs.
Minor cleanups including move of BIGUNION to notation section.
Do the definitions of the basic arithmetic operators.