#7 ⟨a, b | baabababababababa=a⟩

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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. db ⇒ bc [6]
2. dc8 ⇒ c [9]
3. ab ⇒ c [2]
4. ba ⇒ d [3]
5. ca ⇒ ad [5]
6. dac ⇒ ac50 [21]
7. dadc ⇒ ac43 [19]
8. dad2c ⇒ ac36 [17]
9. dad3c ⇒ ac29 [15]
10. dad4c ⇒ ac22 [13]
11. dad5c ⇒ ac15 [11]
12. dad6c ⇒ ac8 [10]
13. dad7 ⇒ a [7]
14. da2 ⇒ a2d49 [22]
15. (da)2 ⇒ a2d42 [20]
16. dad2a ⇒ a2d35 [18]
17. dad3a ⇒ a2d28 [16]
18. dad4a ⇒ a2d21 [14]
19. dad5a ⇒ a2d14 [12]
20. dad6a ⇒ a2d7 [8]
# ab:baabababababababa=a bcd/a ab=c,ba=d custom:1
db=bc
dcccccccc=c
ab=c
ba=d
ca=ad
dac=acccccccccccccccccccccccccccccccccccccccccccccccccc
dadc=accccccccccccccccccccccccccccccccccccccccccc
daddc=acccccccccccccccccccccccccccccccccccc
dadddc=accccccccccccccccccccccccccccc
daddddc=acccccccccccccccccccccc
dadddddc=accccccccccccccc
daddddddc=acccccccc
daddddddd=a
daa=aaddddddddddddddddddddddddddddddddddddddddddddddddd
dada=aadddddddddddddddddddddddddddddddddddddddddd
dadda=aaddddddddddddddddddddddddddddddddddd
daddda=aadddddddddddddddddddddddddddd
dadddda=aaddddddddddddddddddddd
daddddda=aadddddddddddddd
dadddddda=aaddddddd

Certificate

[1] baabababababababa=a

Axiom: baabababababababa=a.

Referenced by [4].

[2] ab=c

Axiom: ab=c.

Defines rule #3.

Referenced by [4], [5], [6], [9].

[3] ba=d

Axiom: ba=d.

Defines rule #4.

Referenced by [4], [5], [6].

[4] dccccccca=a

Overlap of [1] baabababababababa=a with [3] ba=d:

1 baabababababababa ba

Critical pair: dabababababababa=a.

Reduce LHS:

[2]d(ab)ababababababa
[2]⇒ dc(ab)abababababa
[2]⇒ dcc(ab)ababababa
[2]⇒ dccc(ab)abababa
[2]⇒ dcccc(ab)ababa
[2]⇒ dccccc(ab)aba
[2]⇒ dcccccc(ab)a
⇒ dccccccca

Referenced by [7].

[5] ca=ad

Overlap of [2] ab=c with [3] ba=d:

a b ba

Critical pair: ca=ad.

Defines rule #5.

Referenced by [7].

[6] db=bc

Overlap of [3] ba=d with [2] ab=c:

b a ab

Critical pair: db=bc.

Defines rule #1.

Referenced by [9].

[7] daddddddd=a

Simplify [4] dccccccca=a.

Reduce LHS:

[5]dcccccc(ca)
[5]⇒ dccccc(ca)d
[5]⇒ dcccc(ca)dd
[5]⇒ dccc(ca)ddd
[5]⇒ dcc(ca)dddd
[5]⇒ dc(ca)ddddd
[5]⇒ d(ca)dddddd
⇒ daddddddd

Defines rule #13.

Referenced by [8], [9], [10], [12], [14], [16], [18], [20], [22].

[8] dadddddda=aaddddddd

Overlap of [7] daddddddd=a with [7] daddddddd=a:

dadddddd d daddddddd

Critical pair: aaddddddd=dadddddda.

Flip LHS and RHS.

Defines rule #20.

Referenced by [12].

[9] dcccccccc=c

Overlap of [7] daddddddd=a with [6] db=bc:

dadddddd d db

Critical pair: ab=daddddddbc.

Reduce LHS:

[2](ab)
⇒ c

Reduce RHS:

[6]daddddd(db)c
[6]⇒ dadddd(db)cc
[6]⇒ daddd(db)ccc
[6]⇒ dadd(db)cccc
[6]⇒ dad(db)ccccc
[6]⇒ da(db)cccccc
[2]⇒ d(ab)ccccccc
⇒ dcccccccc

Flip LHS and RHS.

Defines rule #2.

Referenced by [10], [11], [13], [15], [17], [19], [21].

[10] daddddddc=acccccccc

Overlap of [7] daddddddd=a with [9] dcccccccc=c:

dadddddd d dcccccccc

Critical pair: acccccccc=daddddddc.

Flip LHS and RHS.

Defines rule #12.

Referenced by [11].

[11] dadddddc=accccccccccccccc

Overlap of [10] daddddddc=acccccccc with [9] dcccccccc=c:

daddddd dc dcccccccc

Critical pair: accccccccccccccc=dadddddc.

Flip LHS and RHS.

Defines rule #11.

Referenced by [13].

[12] daddddda=aadddddddddddddd

Overlap of [8] dadddddda=aaddddddd with [7] daddddddd=a:

daddddd da daddddddd

Critical pair: aadddddddddddddd=daddddda.

Flip LHS and RHS.

Defines rule #19.

Referenced by [14].

[13] daddddc=acccccccccccccccccccccc

Overlap of [11] dadddddc=accccccccccccccc with [9] dcccccccc=c:

dadddd dc dcccccccc

Critical pair: acccccccccccccccccccccc=daddddc.

Flip LHS and RHS.

Defines rule #10.

Referenced by [15].

[14] dadddda=aaddddddddddddddddddddd

Overlap of [12] daddddda=aadddddddddddddd with [7] daddddddd=a:

dadddd da daddddddd

Critical pair: aaddddddddddddddddddddd=dadddda.

Flip LHS and RHS.

Defines rule #18.

Referenced by [16].

[15] dadddc=accccccccccccccccccccccccccccc

Overlap of [13] daddddc=acccccccccccccccccccccc with [9] dcccccccc=c:

daddd dc dcccccccc

Critical pair: accccccccccccccccccccccccccccc=dadddc.

Flip LHS and RHS.

Defines rule #9.

Referenced by [17].

[16] daddda=aadddddddddddddddddddddddddddd

Overlap of [14] dadddda=aaddddddddddddddddddddd with [7] daddddddd=a:

daddd da daddddddd

Critical pair: aadddddddddddddddddddddddddddd=daddda.

Flip LHS and RHS.

Defines rule #17.

Referenced by [18].

[17] daddc=acccccccccccccccccccccccccccccccccccc

Overlap of [15] dadddc=accccccccccccccccccccccccccccc with [9] dcccccccc=c:

dadd dc dcccccccc

Critical pair: acccccccccccccccccccccccccccccccccccc=daddc.

Flip LHS and RHS.

Defines rule #8.

Referenced by [19].

[18] dadda=aaddddddddddddddddddddddddddddddddddd

Overlap of [16] daddda=aadddddddddddddddddddddddddddd with [7] daddddddd=a:

dadd da daddddddd

Critical pair: aaddddddddddddddddddddddddddddddddddd=dadda.

Flip LHS and RHS.

Defines rule #16.

Referenced by [20].

[19] dadc=accccccccccccccccccccccccccccccccccccccccccc

Overlap of [17] daddc=acccccccccccccccccccccccccccccccccccc with [9] dcccccccc=c:

dad dc dcccccccc

Critical pair: accccccccccccccccccccccccccccccccccccccccccc=dadc.

Flip LHS and RHS.

Defines rule #7.

Referenced by [21].

[20] dada=aadddddddddddddddddddddddddddddddddddddddddd

Overlap of [18] dadda=aaddddddddddddddddddddddddddddddddddd with [7] daddddddd=a:

dad da daddddddd

Critical pair: aadddddddddddddddddddddddddddddddddddddddddd=dada.

Flip LHS and RHS.

Defines rule #15.

Referenced by [22].

[21] dac=acccccccccccccccccccccccccccccccccccccccccccccccccc

Overlap of [19] dadc=accccccccccccccccccccccccccccccccccccccccccc with [9] dcccccccc=c:

da dc dcccccccc

Critical pair: acccccccccccccccccccccccccccccccccccccccccccccccccc=dac.

Flip LHS and RHS.

Defines rule #6.

[22] daa=aaddddddddddddddddddddddddddddddddddddddddddddddddd

Overlap of [20] dada=aadddddddddddddddddddddddddddddddddddddddddd with [7] daddddddd=a:

da da daddddddd

Critical pair: aaddddddddddddddddddddddddddddddddddddddddddddddddd=daa.

Flip LHS and RHS.

Defines rule #14.