I'm trying to paste the following question to no avail. Any idea of what I am doing wrong?
Some letters of the greek alphabet include alternative letters. For instance, we have
What is the purpose of the variant versions of these letters? Why are these not available for the entire greek alphabet?
Information about these symbols: https://en.wikibooks.org/wiki/LaTeX/Mathematics#Greek_letters
The Comprehensive LaTeX Symbol List from CTAN does not mention their purpose either.