A certified basis of 4 identities
This list of identities is a basis, proved in Lean, of 2 semigroups of order six, all of which generate the variety V[6723]. Removing the identities that follow from the others leaves 2 identities (Vampire); the variety page shows the shortest known basis.
Identifier sb-4215513d94ee6c72 in the data of the bases-min seal.
Certified for
The identities
- xy ≈ xy²
- x²yz ≈ xyxz
- x²yz ≈ y²xz
- xyzy ≈ xzy²