Analysis of information sources in references of the Wikipedia article "Símbolo de gênero" in Portuguese language version.
The origin of these symbols has long been of interest to scholars. Probably none now accepts the interpretation of Scaliger that ♂ represents the shield and spear of Mars and ♀ Venus's looking glass.
(Mars male gender symbol) indicates male; (female Venus gender symbol) indicates female
Double interlocking female symbols are often been used [sic] to symbolize lesbianism, but some feminists have instead used the double female symbols to represent sisterhood among women and three interlocking female symbols to denote lesbianism. In the 1970’s, some lesbian feminists used three interlocking female symbols to represent their rejection of male standards of monogamy.
The origin of these symbols has long been of interest to scholars. Probably none now accepts the interpretation of Scaliger that ♂ represents the shield and spear of Mars and ♀ Venus's looking glass.
(Mars male gender symbol) indicates male; (female Venus gender symbol) indicates female
Double interlocking female symbols are often been used [sic] to symbolize lesbianism, but some feminists have instead used the double female symbols to represent sisterhood among women and three interlocking female symbols to denote lesbianism. In the 1970’s, some lesbian feminists used three interlocking female symbols to represent their rejection of male standards of monogamy.