A certified basis of 5 identities
This list of identities is a basis, proved in Lean, of 3 semigroups of order six, all of which generate the variety V[2802]. Removing the identities that follow from the others leaves 2 identities (Vampire); the variety page shows the shortest known basis.
Identifier sb-224a6c88f472cfe3 in the data of the bases-min seal.
Certified for
The identities
- x⁴ ≈ x⁵
- xy ≈ yx
- x⁴y ≈ x³y
- x³y² ≈ x²y²
- x³yz ≈ x²yz