Abstract
We consider a congruence ρ on a semigroup S as a subsemigroup of the direct product S × S. We prove that if ρ has finite derivation type (FDT), then so does S.
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Wang, J. Finite Derivation Type for Semigroups and Congruences. Semigroup Forum 75, 388–392 (2007). https://doi.org/10.1007/s00233-007-0703-0
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DOI: https://doi.org/10.1007/s00233-007-0703-0