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On separating sets of words. IV. (English) Zbl 1217.68170

Summary: Further properties of transitive closures of special replacement relations in free monoids are studied.
[For Part III see ibid. 51, No. 1, 57–64 (2001; Zbl 1217.68169).]

MSC:

68R15 Combinatorics on words
68Q42 Grammars and rewriting systems

Citations:

Zbl 1217.68169
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