A certified basis of 6 identities

This list of identities is a basis, proved in Lean, of 4 semigroups of order six, all of which generate the variety V[883]. Removing the identities that follow from the others leaves 3 identities (Vampire); the variety page shows the shortest known basis.

Identifier sb-93a755613dd3d214 in the data of the bases-min seal.

Certified for

The identities

1. x³ ≈ xy²
2. x³ ≈ yxy
3. x³ ≈ y²x
4. xyz ≈ xzy
5. xyz ≈ yxz
6. xyz ≈ xyz³