A certified basis of 5 identities
This list of identities is a basis, proved in Lean, of 2 semigroups of order six, all of which generate the variety V[5765]. Removing the identities that follow from the others leaves 3 identities (Vampire); the variety page shows the shortest known basis.
Identifier sb-f99a5725d277915e in the data of the bases-min seal.
Certified for
The identities
- xy ≈ yx
- x⁴ ≈ xy³
- x⁵y² ≈ x²y²
- x⁵yz ≈ x²yz
- xyzt ≈ xyzt⁴