A certified basis of 5 identities
This list of identities is a basis, proved in Lean, of 9 semigroups of order six, all of which generate the variety V[1041]. Removing the identities that follow from the others leaves 4 identities (Vampire); the variety page shows the shortest known basis.
Identifier sb-7d4bebae519a73f3 in the data of the bases-min seal.
Certified for
The identities
- x² ≈ x³
- xyx ≈ yx²
- x²y² ≈ xy²x
- xyzx ≈ xzyx
- xyzt ≈ yxzt