Abstract
We investigate the associativity property for functions of multiple arities and introduce and discuss the more general property of preassociativity, a generalization of associativity which does not involve any composition of functions.
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Acknowledgements
The authors would like to thank the anonymous reviewer for timely and helpful suggestions for improving the organization of this paper. They are also grateful to Henri Prade for calling their attention to reference [9]. This research is supported by the internal research project F1R-MTH-PUL-12RDO2 of the University of Luxembourg.
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Communicated by Mikhail Volkov.
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Marichal, JL., Teheux, B. Associative and preassociative functions. Semigroup Forum 89, 431–442 (2014). https://doi.org/10.1007/s00233-014-9580-5
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DOI: https://doi.org/10.1007/s00233-014-9580-5