SemiBase

A certified basis of 64 identities

This list of identities is a basis, proved in Lean, of [6, 5661], which generates the variety V[5661]. Removing the identities that follow from the others leaves 28 identities (Vampire); the variety page shows the shortest known basis.

Identifier sb-c1bd16aa0c3e707a in the data of the bases-min seal.

Certified for

The identities

  1. x³ ≈ x³
  2. x³ ≈ x⁴
  3. x²yx ≈ xyx²
  4. x²yx ≈ xyx²
  5. x²y² ≈ x²y²
  6. x²y² ≈ xyxy
  7. x²y² ≈ xy²x
  8. x²yx ≈ x²yx²
  9. xyx² ≈ xyx³
  10. x²yzy ≈ x²zy²
  11. x²yzy ≈ x²zy²
  12. x²yzy ≈ xyxzy
  13. x²yzy ≈ xyzyx
  14. x²yz² ≈ xyzxz
  15. x²yz² ≈ xyz²x
  16. xyxzx ≈ xzxyx
  17. xyxz² ≈ xyxz²
  18. xyxz² ≈ xzyxz
  19. xyxz² ≈ xz²yx
  20. xyxzx ≈ xyxzx²
  21. x²y²z² ≈ x²z²y²
  22. x²yztz ≈ x²tzyz
  23. x²yztz ≈ xyzxtz
  24. x²yztz ≈ xyztzx
  25. xyxztz ≈ xyxtz²
  26. xyxztz ≈ xyxtz²
  27. xyxztz ≈ xzyxtz
  28. xyxztz ≈ xztzyx
  29. xyxzt² ≈ xztyxt
  30. xyxzt² ≈ xzt²yx
  31. x²y²ztz ≈ x²ztzy²
  32. x²y²ztz ≈ x²ztzy²
  33. x²y²zt² ≈ x²zt²y²
  34. x²y²zt² ≈ x²zt²y²
  35. xyxz²t² ≈ xyxt²z²
  36. xyxztut ≈ xyxutzt
  37. xyxztut ≈ xztyxut
  38. xyxztut ≈ xztutyx
  39. x²y²ztut ≈ x²ztuty²
  40. x²y²ztut ≈ x²ztuty²
  41. x²yzytut ≈ x²tutyzy
  42. x²yzytu² ≈ x²tu²yzy
  43. x²yzytu² ≈ x²tu²yzy
  44. x²yz²tu² ≈ x²tu²yz²
  45. xyxz²tut ≈ xyxtutz²
  46. xyxz²tut ≈ xyxtutz²
  47. xyxz²tu² ≈ xyxtu²z²
  48. xyxz²tu² ≈ xyxtu²z²
  49. x²yzytuvu ≈ x²tuvuyzy
  50. x²yzytuvu ≈ x²tuvuyzy
  51. x²yz²tuvu ≈ x²tuvuyz²
  52. x²yz²tuvu ≈ x²tuvuyz²
  53. xyxz²tuvu ≈ xyxtuvuz²
  54. xyxz²tuvu ≈ xyxtuvuz²
  55. xyxztzuvu ≈ xyxuvuztz
  56. xyxztzuv² ≈ xyxuv²ztz
  57. xyxztzuv² ≈ xyxuv²ztz
  58. xyxzt²uv² ≈ xyxuv²zt²
  59. x²yztzuvwv ≈ x²uvwvyztz
  60. xyxztzuvwv ≈ xyxuvwvztz
  61. xyxztzuvwv ≈ xyxuvwvztz
  62. xyxzt²uvwv ≈ xyxuvwvzt²
  63. xyxzt²uvwv ≈ xyxuvwvzt²
  64. xyxztutvwsw ≈ xyxvwswztut