Q.E.D. "Quod Erat Demonstrandum", used at the end of proofs

Has anyone encountered an interesting hand-lettered or type-set "Q.E.D." before? It's used to mark the end of a mathematical proof. The contemporary digital version is, unfortunately, the "tombstone," a simple black square (yawn).


Rob Kimmel

hrant's picture

It would be nice for the square to be made of those three letters, densely packed. Hmmm, sounds like a recipe for one of these:

BTW there was (at least) a #40 as well:


daverowland's picture

I like this kind of time-wasting exercise:

Syndicate content Syndicate content