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[5640]. Removing the identities that follow from the others leaves 2 identities (Vampire); the variety page shows the shortest known basis.
Identifier sb-de669acb8030f610 in the data of the bases-min seal.
Certified for
The identities
- x³ ≈ x⁴
- x²y ≈ xyx
- xy² ≈ xy³
- xyz ≈ xzy