Define a binary operation on the rationals so that the map defined by is an isomorphism between sets with binary operations. Prove that is an isomorphism.
By Isomorphism i mean i need to find a binary operation such that for all u, v in ,
Define a binary operation on the rationals so that the map defined by is an isomorphism between sets with binary operations. Prove that is an isomorphism.
By Isomorphism i mean i need to find a binary operation such that for all u, v in ,