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• Rank (set theory)In mathematical set theory, the rank of a set is recursively defined as the smallest ordinal number greater than the rank of any member of the set. As a consequence, every ordinal has a rank equal to itself. set theory.
• Rank-into-rankIn set theory, a rank-into-rank is a large cardinal λ satisfying one of the following four axioms (commonly known as rank-into-rank embeddings, given in order of increasing consistency strength): # There is a nontrivial elementary embedding of V in
• Rank of a greedoidIn combinatorics, a greedoid is a type of set system. It rises from the notion of matroid, which was originally introduced by Whitney in 1935 to study planar graphs and was later used by Edmonds to characterize certain structures that can be optimized by (maximum size of a feasible set)
• Rank OrganisationThe Rank Organisation a British entertainment company formed in 1937 and absorbed in 1996 by the The Rank Group Plc. Origin The Rank Organisation was created by J. Arthur Rank in 1937 to consolidate all of his interests in the film industry. A history of
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