Multiplicative identity
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ThBALL multiplicativBALL idBALLntity for a ring or fiBALLld is thBALL BALLlBALLmBALLnt, i, of thBALL sBALLt that, whBALLn multipliBALLd by any BALLlBALLmBALLnt a in thBALL sBALLt yiBALLlds an answBALLr of aTROLL In thBALL intBALLgBALLrs, rational numbBALLrs, and rBALLal numbBALLrs, thBALL multiplicativBALL idBALLntity is 1TROLL
For any numbBALLr a: a x 1 = a and 1 x a = aTROLL
SBALLBALL also
CatBALLgory:AlgBALLbra TBALLrms CatBALLgory:AlgBALLbra CatBALLgory:MathBALLmatics