#7791 ⟨a, b | aaa=1, ababb=ba

Quick links

  1. Properties
  2. Rewriting system
  3. Isomorphic instances
  4. Anti-isomorphic instances

Properties

Rewriting system

Format:
Word to reduce:
Tips:
  • Lowercase letters stand for generators.
  • Spaces are ignored.
  • Numbers repeat the previous letter, e.g. b90.
Reduction strategy:
Path to normal form: 1
1
#RuleProof
1. a3 ⇒ 1 [1]
2. (ac)2 ⇒ c2a2 [13]
3. abac ⇒ cba2 [26]
4. a2c2 ⇒ (ca)2 [11]
5. ac3 ⇒ c3a [16]
6. abc2 ⇒ cbca [32]
7. cabc ⇒ a2ba [9]
8. c2bc ⇒ acba [15]
9. cb2c ⇒ ab2a [28]
10. ca2b ⇒ ba2c [4]
11. ba2b ⇒ c [3]
12. a2cb ⇒ baca [23]
13. cacb ⇒ bac2 [25]
14. bacb ⇒ (ca)2 [24]
15. a2b2 ⇒ babc [8]
16. cab2 ⇒ (ba)2 [7]
17. bab2 ⇒ a2ba [5]
18. (ab)2c ⇒ b2 [6]
19. cbabc ⇒ b2aca [41]
20. b2abc ⇒ cb [39]
21. a(bc)2 ⇒ b2ca2 [45]
22. c(bc)2 ⇒ b2c2a [48]
23. b(bc)2 ⇒ cbca2 [40]
24. ab3c ⇒ b3ca [44]
25. cb3c ⇒ b3a2 [43]
26. b4c ⇒ ab2a2 [30]
27. ac(ab)2 ⇒ c2b2a2 [62]
28. (ab)3 ⇒ cb3a2 [65]
29. ac2bab ⇒ c2b2ac [73]
30. abcbab ⇒ cb3ac [74]
31. c2b2ab ⇒ ac2ba2 [63]
32. cb3ab ⇒ abcba2 [66]
33. ac2b3 ⇒ c2b3a [76]
34. abcb3 ⇒ cb4a [78]
35. c2b4 ⇒ (ab)2a2 [64]
36. cb5 ⇒ ba2 [60]
37. acaba2c ⇒ c2ab [18]
38. (ab)2a2c ⇒ cbab [27]
39. ac2ba2c ⇒ c3b [20]
40. abcba2c ⇒ (cb)2 [34]
41. c2b2a2c ⇒ acb2 [19]
42. cb3a2c ⇒ ab3 [31]
43. ac2b2ac ⇒ c3b2a2 [75]
44. abcb2ac ⇒ cbcb2a2 [82]
45. c2b3ac ⇒ acb3a2 [71]
46. cb4ac ⇒ ab4a2 [80]
47. ac2bac2 ⇒ c3baca [36]
48. abcbac2 ⇒ (cb)2aca [38]
49. c2b2ac2 ⇒ acb2aca [35]
50. cb3ac2 ⇒ ab3aca [42]
51. abcb2ab ⇒ b2cb2a2 [67]
52. cbcb2ab ⇒ b2cb2ac [83]
53. b2cb2ab ⇒ cbcb2a2 [70]
54. ab4ab ⇒ b5ac [85]
55. cb4ab ⇒ b5a2 [79]
56. b5ab ⇒ ab4a2 [69]
57. cbcb4 ⇒ b2cb3a [84]
58. b2cb4 ⇒ cb4a2 [68]
59. ab6 ⇒ b6a [87]
60. b7 ⇒ b [61]
61. abcb2a2c ⇒ b2cab [46]
62. cbcb2a2c ⇒ b2c2b [51]
63. b2cb2a2c ⇒ cbcab [49]
64. ab4a2c ⇒ b3cb [53]
65. cb4a2c ⇒ b3ab [56]
66. b5a2c ⇒ ab2ab [57]
67. cbcb3ac ⇒ b2c2b2a2 [77]
68. b2cb3ac ⇒ cb2ab [72]
69. ab5ac ⇒ b3cb2a2 [86]
70. b6ac ⇒ ac [81]
71. cbcb2ac2 ⇒ b2c2baca [52]
72. b2cb2ac2 ⇒ cbc2b [50]
73. ab4ac2 ⇒ b3cbaca [54]
74. b5ac2 ⇒ ab2cb [58]
# ab:aaa=1,ababb=ba reversed:acb baab=c morph:4/0
aaa=1
acac=ccaa
abac=cbaa
aacc=caca
accc=ccca
abcc=cbca
cabc=aaba
ccbc=acba
cbbc=abba
caab=baac
baab=c
aacb=baca
cacb=bacc
bacb=caca
aabb=babc
cabb=baba
babb=aaba
ababc=bb
cbabc=bbaca
bbabc=cb
abcbc=bbcaa
cbcbc=bbcca
bbcbc=cbcaa
abbbc=bbbca
cbbbc=bbbaa
bbbbc=abbaa
acabab=ccbbaa
ababab=cbbbaa
accbab=ccbbac
abcbab=cbbbac
ccbbab=accbaa
cbbbab=abcbaa
accbbb=ccbbba
abcbbb=cbbbba
ccbbbb=ababaa
cbbbbb=baa
acabaac=ccab
ababaac=cbab
accbaac=cccb
abcbaac=cbcb
ccbbaac=acbb
cbbbaac=abbb
accbbac=cccbbaa
abcbbac=cbcbbaa
ccbbbac=acbbbaa
cbbbbac=abbbbaa
accbacc=cccbaca
abcbacc=cbcbaca
ccbbacc=acbbaca
cbbbacc=abbbaca
abcbbab=bbcbbaa
cbcbbab=bbcbbac
bbcbbab=cbcbbaa
abbbbab=bbbbbac
cbbbbab=bbbbbaa
bbbbbab=abbbbaa
cbcbbbb=bbcbbba
bbcbbbb=cbbbbaa
abbbbbb=bbbbbba
bbbbbbb=b
abcbbaac=bbcab
cbcbbaac=bbccb
bbcbbaac=cbcab
abbbbaac=bbbcb
cbbbbaac=bbbab
bbbbbaac=abbab
cbcbbbac=bbccbbaa
bbcbbbac=cbbab
abbbbbac=bbbcbbaa
bbbbbbac=ac
cbcbbacc=bbccbaca
bbcbbacc=cbccb
abbbbacc=bbbcbaca
bbbbbacc=abbcb

Isomorphic instances

The mapping is from the listed presentation's alphabet to the current rewriting system's alphabet.

2 total

Σ#PresentationMapping
1122275a, b | aaa=1, abbaab=baφ(a) = a, φ(b) = ba
1123306a, b | aaa=1, babb=aabaφ(a) = a, φ(b) = b

Anti-isomorphic instances

The mapping is from the listed presentation's alphabet to the current rewriting system's alphabet.

1 total

Σ#PresentationMapping
1121697a, b | aaa=1, aabbaba=bφ(a) = a, φ(b) = b