A certified basis of 8 identities
This list of identities is a basis, proved in Lean, of 4 semigroups of order six, all of which generate the variety V[7689]. Removing the identities that follow from the others leaves 4 identities (Vampire); the variety page shows the shortest known basis.
Identifier sb-4d3779b5182670a2 in the data of the bases-min seal.
Certified for
The identities
- x² ≈ x³
- x²yx ≈ xyx
- xyx ≈ xyx²
- x²y² ≈ xyxy
- x²y² ≈ yx²y
- x²yz ≈ xyxz
- xyxzx ≈ xyzx
- x²yzy ≈ yx²zy