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Jul 6, 2024 · A multiplicative group structure, called the Hamilton product, denoted by juxtaposition, can be defined on the quaternions in the following way: The real quaternion 1 is the identity element. The real quaternions commute with all other quaternions, that is aq = qa for every quaternion q and every real quaternion a.
Jul 6, 2024 · Definition and overview. Hygiene is a practice [3] related to lifestyle, cleanliness, health, and medicine. In medicine and everyday life, hygiene practices are preventive measures that reduce the incidence and spread of germs leading to disease. [4] Hygiene practices vary from one culture to another. [5]
