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[7974]. Removing the identities that follow from the others leaves 5 identities (Vampire); the variety page shows the shortest known basis.
Identifier sb-79ed57d454074b42 in the data of the bases-min seal.
Certified for
The identities
- x² ≈ x³
- x²yx ≈ xyx
- xyx ≈ xyx²
- x²y² ≈ xyxy
- x²y² ≈ yx²y
- xyzx ≈ xzyx
- x²y²z ≈ xy²xz
- x²yzty ≈ xzxyty
- x²yzty ≈ xzxyty