"sub"^^ . . . . . "(of a binary operation) independent of order; as in e.g. \"a x b = b x a\""@en-us . "commutative"^^ . "300697643"@en-us . . . "0"^^ . . "300692856"@en-us . . "0"^^ . "commutative"@en-us . . . "sub"^^ . "00728826-a"^^ . . "300728826"@en-us . "300728826"^^ . . . .