@lcamtuflcamtuf
There's a side of me that likes to take shortcuts in math, because I've had the rigorous formalism hammered into my skull in college. But then the other side of me knows that the rigorous formalism is the only way to recognize a valid shortcut from an invalid one.
If you have a fediverse account, you can quote this note from your own instance. Search https://floss.social/users/jbqueru/statuses/114643140834320689 on your instance and quote it. (Note that quoting is not supported in Mastodon.)