["\\equest"; "\\questeq" ], "≟", [equivalence];
["\\ne"; "\\neq"; "\\NotEqual" ], "≠", [equivalence];
["\\equiv"; "\\Congruent" ], "≡", [equivalence];
["\\equest"; "\\questeq" ], "≟", [equivalence];
["\\ne"; "\\neq"; "\\NotEqual" ], "≠", [equivalence];
["\\equiv"; "\\Congruent" ], "≡", [equivalence];