something make me confused! in the definition of binary operation we have : “a binary operation on a set S is a mapping of the elements of the Cartesian product S × S to S: F: s *s → s “ it means binary operation is closure my question is : ** is scalar product a binary operation? because it’s not closure it take two vector and result is a scalar! and it is F:V * V → S
2026-03-30 05:31:31.1774848691
is dot product a binary operation?
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