A certified basis of 6 identities
This list of identities is a basis, proved in Lean, of 4 semigroups of order six, all of which generate the variety V[871]. Removing the identities that follow from the others leaves 3 identities (Vampire); the variety page shows the shortest known basis.
Identifier sb-81662b3c62a483ed in the data of the bases-min seal.
Certified for
The identities
- x²y ≈ xyx
- x²y ≈ yxy
- x²y ≈ y²x
- xyx ≈ yxy
- xyz ≈ xzy
- xyzt ≈ uvws