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[5368]. Removing the identities that follow from the others leaves 3 identities (Vampire); the variety page shows the shortest known basis.
Identifier sb-1a1ee7f17e909095 in the data of the bases-min seal.
Certified for
The identities
- xy ≈ yx
- x³y ≈ x²y²
- x²yz ≈ xy²z
- xyztu ≈ xyztu²