A certified basis of 5 identities
This list of identities is a basis, proved in Lean, of 8 semigroups of order six, all of which generate the variety V[7541]. Removing the identities that follow from the others leaves 4 identities (Vampire); the variety page shows the shortest known basis.
Identifier sb-5c5883d7824432f3 in the data of the bases-min seal.
Certified for
The identities
- x² ≈ x³
- xyx ≈ xy²
- xyxz ≈ xyz
- x²yzx ≈ x²yzy
- x²yzx ≈ x²zyx