Letters at the end of a math proof

• Conclusion letters
• Logical ending
• Relative of "VoilГ !"
• Letters at the end of a proof
• Abbr. that a proof reader might come across?
• Final letters encountered when proof reading?
• Geometer's P.S.
• Logician's abbr.
• "And that proves it"

Wikipedia Word definitions in Wikipedia
QED is a play by American playwright Peter Parnell which chronicles (part of) a day in the life of Nobel Prize-winning physicist Richard Feynman . It presents scenes from a day in Feynman's life, less than two years before his death, interweaving many strands ...