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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 ...

...le=World Population Prospects: The 2017 Revision: Key Findings and Advance Tables |url=https://esa.un.org/unpd/wpp/Publications/Files/WPP2017_KeyFindings.pdf ...omic and Demographic Growth, 1 CE–1973 CE|journal=International Journal of Mathematical Models and Methods in Applied Sciences|volume=10|pages=200–209}}</ref><ref ...