A certified basis of 6 identities
This list of identities is a basis, proved in Lean, of 2 semigroups of order six, all of which generate the variety V[7975]. Removing the identities that follow from the others leaves 4 identities (Vampire); the variety page shows the shortest known basis.
Identifier sb-db4bf3798c4c8a94 in the data of the bases-min seal.
Certified for
The identities
- x² ≈ x³
- x²yx ≈ xyx
- xyx ≈ xyx²
- xyxy ≈ yx²y
- xyzx ≈ xzyx
- xyxzy ≈ yx²zy