SemiBase

A certified basis of 2 identities

This list of identities is a basis, proved in Lean, of 9 semigroups of order six, all of which generate the variety V[14960]. Removing the identities that follow from the others leaves 2 identities (Vampire); the variety page shows the shortest known basis.

Identifier sb-f5c3eef7e7103001 in the data of the bases-min seal.

Certified for

The identities

  1. x ≈ x⁷
  2. xy ≈ yx