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[11550]. Removing the identities that follow from the others leaves 2 identities (Vampire); the variety page shows the shortest known basis.
Identifier sb-33b2f46a5bb0b8d8 in the data of the bases-min seal.
Certified for
The identities
- x² ≈ x⁴
- xy ≈ xy³
- x²y ≈ x²yx²
- x⁴y ≈ x³yx
- xyxz ≈ xyxzx²