A certified basis of 4 identities
This list of identities is a basis, proved in Lean, of 3 semigroups of order six, all of which generate the variety V[1118]. Removing the identities that follow from the others leaves 4 identities (Vampire); the variety page shows the shortest known basis.
Identifier sb-dfae18cf4f4c0597 in the data of the bases-min seal.
Certified for
The identities
- x² ≈ x³
- xyx ≈ yx²
- x²y² ≈ xy²x
- x²yz ≈ xyxz