#4203 ⟨a, b | aabbbabba=ab

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  2. Rewriting system

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. acab2a ⇒ ab [3]
2. acab2c ⇒ cb [4]
3. c2ab2a ⇒ cb [9]
4. ab3 ⇒ c [2]
5. abcab2a ⇒ ab2 [5]
6. abcab2c ⇒ cb2 [6]
7. cbab2a ⇒ ac2 [14]
8. cbcab2a ⇒ cb2 [10]
9. ac2b3 ⇒ cbab2c [17]
10. c2ab2cb ⇒ cbcab2c [12]
11. ab2cab2a ⇒ c [7]
12. (ab2c)2 ⇒ cb3 [8]
13. cb4 ⇒ c2ab2c [11]
14. c(b2a)2 ⇒ abc2 [16]
15. cb2ab2c ⇒ abc2b3 [22]
16. cb2cab2a ⇒ cb3 [13]
17. cbab2cb ⇒ ac3ab2c [18]
18. cbcab2cb ⇒ cb2cab2c [20]
19. cb(b2a)2 ⇒ ab2c2 [19]
20. cb3ab2c ⇒ ab2c2b3 [23]
21. cb3cab2a ⇒ c2ab2c [15]
22. cb2cab2cb ⇒ cb3cab2c [21]
23. cb3cab2cb ⇒ (c2ab2)2c [24]
# ab:aabbbabba=ab ac/b abbb=c morph:4/0
acabba=ab
acabbc=cb
ccabba=cb
abbb=c
abcabba=abb
abcabbc=cbb
cbabba=acc
cbcabba=cbb
accbbb=cbabbc
ccabbcb=cbcabbc
abbcabba=c
abbcabbc=cbbb
cbbbb=ccabbc
cbbabba=abcc
cbbabbc=abccbbb
cbbcabba=cbbb
cbabbcb=acccabbc
cbcabbcb=cbbcabbc
cbbbabba=abbcc
cbbbabbc=abbccbbb
cbbbcabba=ccabbc
cbbcabbcb=cbbbcabbc
cbbbcabbcb=ccabbccabbc