. "This frame describes types of arithmetic operations and statements which have the commutative property, i.e. the operation is bi-directional, e.g. addition and multiplication. The terms involved are either individually labeled Term1 and Term2 or grouped together as a single noun phrase labeled Terms."@en . . . "2010-03-08T13:02:13+01:00"^^ . . . . . . "Arithmetic_commutative" . . . . . . . "2245"^^ .