SemiBase

A certified basis of 2 identities

This list of identities is a basis, proved in Lean, of 3 semigroups of order six, all of which generate the variety V[8867]. Removing the identities that follow from the others leaves 2 identities (Vampire); the variety page shows the shortest known basis.

Identifier sb-222a785f67e392be in the data of the bases-min seal.

Certified for

The identities

  1. x² ≈ x⁴
  2. xyx ≈ yx²