单词	set difference
释义	set difference (difference of two sets) The set difference A\\B of sets A and B, also known as the relative complement, is the set consisting of all elements of A that are not elements of B. The notation A−B is also used. The set is represented by the shaded region of the Venn diagram shown in the figure. The set difference A\\B
随便看	Kepler, Johannes Kepler's laws of planetary motion kernel ket key kg Khwārizmī, Muhammad ibn Mūsā al‐ kilogram kilo‐ kilo‐ kinematics kinetic energy kinetic friction Kingman, Sir John Frank Charles Kirchoff's Theorem kite Klein bottle Klein, (Christian) Felix Klein four‐group Kline, Morris knapsack problem knot knot equivalence knot polynomial knot theory

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