A certified basis of 11 identities
This list of identities is a basis, proved in Lean, of 2 semigroups of order six, all of which generate the variety V[880]. Removing the identities that follow from the others leaves 3 identities (Vampire); the variety page shows the shortest known basis.
Identifier sb-ead39309254499e5 in the data of the bases-min seal.
Certified for
The identities
- xy ≈ yx
- x³ ≈ y³
- x²y ≈ xyx
- x²y ≈ yx²
- xyx ≈ yx²
- xyz ≈ xzy
- xyz ≈ yxz
- xyz ≈ yzx
- xyz ≈ zyx
- x³ ≈ yztu
- xyzt ≈ uvws