Q.E.D. (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Q.E.D." in Japanese language version.

refsWebsite

Global rank Japanese rank

934^th place

57^th place

549^th place

1,878^th place

low place

google.co.jp

Abedein, Andrew; Dove, Ian J. (2013). The argument of mathematics. Springer. ISBN 978-94-007-6533-7. "Traditionally, this was effected by repeating the theorem, letting it be followed by ‘QED’, but at some point this went out of fashion."
Halmos, Paul (1985). I want to be a mathematician: An automathography. Springer. ISBN 978-0-387-96470-6. "The symbol is definitely not my invention — it appeared in popular magazines (not mathematical ones) before I adopted it, but, once again, I seem to have introduced it into mathematics. It is the symbol that sometimes looks like ▯, and is used to indicate an end, usually the end of a proof. It is most frequently called the “tombstone”, but at least one generous author referred to it as the “halmos”."