Yep. You can do this, if you're lucky, with the triad. You and the other person ...

hprotagonist on Jan 18, 2019 | parent | context | favorite | on: Ask HN: How to self-study mathematics from the und...

Yep. You can do this, if you're lucky, with the triad. You and the other person at about your level can trade places depending on subject matter, each explaining to the other and reinforcing their own knowledge.