SemiBase

A certified basis of 16 identities

This list of identities is a basis, proved in Lean, of [6, 2979], which generates the variety V[2979]. Removing the identities that follow from the others leaves 5 identities (Vampire); the variety page shows the shortest known basis.

Identifier sb-28b9f18f74bcdde2 in the data of the bases-min seal.

Certified for

The identities

  1. x² ≈ x³
  2. x²yx ≈ xyx
  3. x²y² ≈ xyx²
  4. x²y² ≈ xyxy
  5. x²y² ≈ yx²y
  6. xyxz ≈ yxyz
  7. xyz² ≈ xzy²
  8. x²yzy ≈ yxzy
  9. xyxzx ≈ xyzx
  10. xy²zx ≈ xyzx
  11. x²yz² ≈ xyxz²
  12. x²yz² ≈ xyzxy
  13. x²yz² ≈ xyzxz
  14. x²yz² ≈ xyzyx
  15. x²yz² ≈ xyz²x
  16. xy²zt ≈ xyzt