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...bar]] "<big>≡</big>" may represent congruence or a definition. Further, in mathematical logic, numerical equality is sometimes represented by "<big>≡</big>" instea {{row of table of mathematical symbols ...

...a|date=Dec 1993|title=Images of Mathematics Held by University Teachers of Mathematical Sciences|journal=Educational Studies in Mathematics|volume=25|issue=4|pages ...mber]]s – [[P-adic number|''p''-adic numbers]] – [[Integer sequence]]s – [[Mathematical constant]]s – [[Number names]] – [[Infinity]] – [[Base (mathematics)|Base]] ...