A certified basis of 5 identities
This list of identities is a basis, proved in Lean, of 5 semigroups of order six, all of which generate the variety V[5627]. Removing the identities that follow from the others leaves 3 identities (Vampire); the variety page shows the shortest known basis.
Identifier sb-b18472cfb999c170 in the data of the bases-min seal.
Certified for
The identities
- x³ ≈ x⁴
- xyx ≈ yx²
- x²y² ≈ y²x²
- x³y² ≈ y²x³
- x³y³ ≈ y³x³