Certificate for #13259 ⟨a, b | bab=aba, bbb=aa⟩

Completion settings:

[1] bab=aba

Axiom: bab=aba.

Defines rule #5.

Referenced by [4], [5], [6], [7].

[2] bbb=aa

Axiom: bbb=aa.

Defines rule #7.

Referenced by [3], [5], [6], [9], [11].

[3] aab=baa

Overlap of [2] bbb=aa with [2] bbb=aa:

b bb bbb

Critical pair: baa=aab.

Flip LHS and RHS.

Defines rule #4.

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

[4] abbaa=bbaaa

Overlap of [1] bab=aba with [1] bab=aba:

ba b bab

Critical pair: baaba=abaab.

Reduce LHS:

[3]b(aab)a
⇒ bbaaa

Reduce RHS:

[3]ab(aab)
⇒ abbaa

Flip LHS and RHS.

Referenced by [12].

[5] abaaa=baaa

Overlap of [1] bab=aba with [2] bbb=aa:

ba b bbb

Critical pair: baaa=ababb.

Reduce RHS:

[1]a(bab)b
[3]⇒ (aab)ab
[3]⇒ ba(aab)
[1]⇒ (bab)aa
⇒ abaaa

Flip LHS and RHS.

Referenced by [6], [8].

[6] abaa=baaa

Overlap of [2] bbb=aa with [1] bab=aba:

bb b bab

Critical pair: bbaba=aaab.

Reduce LHS:

[1]b(bab)a
[1]⇒ (bab)aa
[5]⇒ (abaaa)
⇒ baaa

Reduce RHS:

[3]a(aab)
⇒ abaa

Flip LHS and RHS.

Referenced by [7], [8], [13].

[7] bbaaa=baaaa

Overlap of [1] bab=aba with [6] abaa=baaa:

b ab abaa

Critical pair: bbaaa=abaaa.

Reduce RHS:

[6](abaa)a
⇒ baaaa

Referenced by [10].

[8] baaaa=baaa

Simplify [5] abaaa=baaa.

Reduce LHS:

[6](abaa)a
⇒ baaaa

Referenced by [9], [10].

[9] aaaaaa=aaaaa

Overlap of [2] bbb=aa with [8] baaaa=baaa:

bb b baaaa

Critical pair: bbbaaa=aaaaaa.

Reduce LHS:

[2](bbb)aaa
⇒ aaaaa

Flip LHS and RHS.

Defines rule #1.

[10] bbaaa=baaa

Simplify [7] bbaaa=baaaa.

Reduce RHS:

[8](baaaa)
⇒ baaa

Referenced by [11], [12].

[11] baaa=aaaaa

Overlap of [2] bbb=aa with [10] bbaaa=baaa:

b bb bbaaa

Critical pair: bbaaa=aaaaa.

Reduce LHS:

[10](bbaaa)
⇒ baaa

Defines rule #2.

Referenced by [12], [13].

[12] abbaa=aaaaa

Simplify [4] abbaa=bbaaa.

Reduce RHS:

[10](bbaaa)
[11]⇒ (baaa)
⇒ aaaaa

Defines rule #6.

[13] abaa=aaaaa

Simplify [6] abaa=baaa.

Reduce RHS:

[11](baaa)
⇒ aaaaa

Defines rule #3.