A certified basis of 4 identities
This list of identities is a basis, proved in Lean, of 3 semigroups of order six, all of which generate the variety V[9091]. Removing the identities that follow from the others leaves 3 identities (Vampire); the variety page shows the shortest known basis.
Identifier sb-57b6e463024e22ba in the data of the bases-min seal.
Certified for
The identities
- x² ≈ x⁵
- x⁴y ≈ xy
- x³y²x ≈ xy²
- xyz ≈ yxz