A certified basis of 3 identities
This list of identities is a basis, proved in Lean, of 2 semigroups of order six, all of which generate the variety V[5689]. Removing the identities that follow from the others leaves 2 identities (Vampire); the variety page shows the shortest known basis.
Identifier sb-863f669ebce89bb0 in the data of the bases-min seal.
Certified for
The identities
- x⁴ ≈ x⁵
- x²y ≈ xyx
- xyz ≈ xzy