3 ms·
'meaning "which is what had to be proven"' , https://en.wikipedia.org/wiki/Q.E.D https://en.wikipedia.org/wiki/Q.E.D.
by ableal 11y ago
'meaning "which is what had to be proven"' , https://en.wikipedia.org/wiki/Q.E.D https://en.wikipedia.org/wiki/Q.E.D.