You can avoid having to declare each character separately if you use the unicode-math package: https://github.com/wspr/unicode-math https://github.com/wspr/unic

You can avoid having to declare each character separately if you use the unicode-math package: https://github.com/wspr/unicode-math https://github.com/wspr/unicode-math . I suggest you try it; it's life-changing for e.g. general relativity stuff where there are a lot of Greek letters being thrown around!