ungainly 发表于 2025-3-23 11:15:04
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George M. BergmanReviews many concrete examples of universal constructions, motivating the development of general algebra and the category-theoretic view of universal constructions.Enriches the reader‘s intuition of tlethargy 发表于 2025-3-24 06:04:30
Universitexthttp://image.papertrans.cn/a/image/155636.jpgsurrogate 发表于 2025-3-24 10:12:53
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,Die Messung der Produktivität,As motivation for the general investigation of universal constructions, the concept of a free group on a set . is defined, and such groups are constructed in three ways: As sets of group-theoretic terms in . modulo consequences of the group identities, as subgroups of sufficiently large direct product groups, and as groups of reduced words.混合 发表于 2025-3-24 20:10:40
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