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the claim
Commutative context-free grammars appear in mathematical linguistics literature
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SUPPORTED
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4 sources for · 0 against
Is it true that Commutative context-free grammars appear in mathematical linguistics literature?
Yes. Commutative context-free grammars and languages are actively studied objects of research within mathematical and formal language literature.
Verdict: SUPPORTED · 4 sources for, 0 against · Last checked
The analysis
The retrieved papers include multiple works directly dedicated to studying 'commutative context-free languages' and related mathematical conjectures (such as papers [4], [5], [7], and [8]), proving that they do indeed appear in mathematical linguistics and formal language literature.
Evidence for · 4
Analyzes properties of commutative context-free languages and their mathematical relationships.
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Beauquier, J., Blattner, M., & Latteux, M. (1987). On Commutative Context-Free Languages. doi.org. https://doi.org/10.1016/0022-0000(87)90018-3
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Discusses partially-commutative context-free languages which extend commutative context-free languages in formal language theory.
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Czerwinski, W. & Lasota, S. (2012). Partially-commutative context-free languages. doi.org. https://doi.org/10.4204/EPTCS.89.4
Proves theorems regarding the complements of commutative context-free languages and related conjectures.
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Kortelainen, J. (1998). Remarks about Commutative Context-Free Languages. doi.org. https://doi.org/10.1006/jcss.1997.1553
Investigates and disproves specific conjectures concerning commutative context-free languages.
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Kortelainen, J. (1989). The conjecture of Fliess on commutative context-free languages. doi.org. https://doi.org/10.1145/76359.76367
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first checked04 Aug 2026
judged → SUPPORTED · 8104 Aug 2026
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