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Publication:3994022
zbMath0768.68084MaRDI QIDQ3994022
Publication date: 13 August 1992
Full work available at URL: http://www.numdam.org/item?id=CTGDC_1991__32_3_203_0
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
undecidabilityhomotopyfundamental groupoidpath algebracontext-free grammarunification algorithmsyntactic algebracategory small categories
Undecidability and degrees of sets of sentences (03D35) Grammars and rewriting systems (68Q42) Homological algebra in category theory, derived categories and functors (18G99) Groupoids, semigroupoids, semigroups, groups (viewed as categories) (18B40)
Uses Software
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