A certified basis of 9 identities
This list of identities is a basis, proved in Lean, of 2 semigroups of order six, all of which generate the variety V[13184]. Removing the identities that follow from the others leaves 3 identities (Vampire); the variety page shows the shortest known basis.
Identifier sb-5b3a8e732d09d3da in the data of the bases-min seal.
Certified for
The identities
- x² ≈ x³
- xyx ≈ xyx²
- xyx ≈ xy²x
- xyxy ≈ xy²
- xyx ≈ xyxyx
- xyxz ≈ xy²z
- xyzx ≈ xyzyx
- xyzxy ≈ xyzy
- xyzxz ≈ xyz²