## All idempotent hypersubstitutions of type 2, 2 ,

- T. Cangpas, K. Denecke
- Semigroup Forum,
- 2008

- Published 2011 in Int. J. Math. Mathematical Sciences
DOI:10.1155/2011/615014

Hypersubstitutions are mappings which map operation symbols to terms of the corresponding arities. They were introduced as a way of making precise the concept of a hyperidentity and generalizations to M-hyperidentities. A variety in which every identity is satisfied as a hyperidentity is called solid. If every identity is anM-hyperidentity for a subsetM of… CONTINUE READING