A certified basis of 7 identities
This list of identities is a basis, proved in Lean, of 4 semigroups of order six, all of which generate the variety V[1040]. Removing the identities that follow from the others leaves 3 identities (Vampire); the variety page shows the shortest known basis.
Identifier sb-583a1af4ccab70da in the data of the bases-min seal.
Certified for
The identities
- x² ≈ x³
- xyx ≈ yxy
- x²yx ≈ yxy
- xyzx ≈ yzxy
- xyzx ≈ zyxz
- xyzy ≈ xzy²
- xy²zt ≈ xyzt