bn:03698980n
Noun Concept
Categories: Mathematical symbols, Typography, Typography stubs, Mathematical proofs
EN
tombstone
EN
In mathematics, the tombstone, halmos, end-of-proof, or Q.E.D. symbol "∎" is a symbol used to denote the end of a proof, in place of the traditional abbreviation "Q.E.D." for the Latin phrase "quod erat demonstrandum". Wikipedia
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EN
In mathematics, the tombstone, halmos, end-of-proof, or Q.E.D. symbol "∎" is a symbol used to denote the end of a proof, in place of the traditional abbreviation "Q.E.D." for the Latin phrase "quod erat demonstrandum". Wikipedia
A symbol often used in mathematical proofs Wikipedia Disambiguation
Symbol used in mathematics and typography Wikidata
The symbol "∎" marking the end of a proof. Wiktionary