Certificate for #13182 ⟨a, b | abb=aaa, bab=aa⟩

Completion settings:

[1] aaa=abb

Axiom: abb=aaa.

Flip LHS and RHS.

Referenced by [3].

[2] aa=bab

Axiom: bab=aa.

Flip LHS and RHS.

Defines rule #3.

Referenced by [3], [4], [5], [6], [8].

[3] baba=abb

Overlap of [1] aaa=abb with [2] aa=bab:

aaa aa

Critical pair: baba=abb.

Defines rule #4.

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

[4] abab=abb

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

a a aa

Critical pair: abab=baba.

Reduce RHS:

[3](baba)
⇒ abb

Defines rule #6.

Referenced by [6], [7], [8].

[5] babbab=abba

Overlap of [3] baba=abb with [2] aa=bab:

bab a aa

Critical pair: babbab=abba.

Referenced by [6].

[6] abba=babbb

Overlap of [2] aa=bab with [4] abab=abb:

a a abab

Critical pair: aabb=babbab.

Reduce LHS:

[2](aa)bb
⇒ babbb

Reduce RHS:

[5](babbab)
⇒ abba

Flip LHS and RHS.

Referenced by [9].

[7] abbb=babb

Overlap of [3] baba=abb with [4] abab=abb:

b aba abab

Critical pair: babb=abbb.

Flip LHS and RHS.

Defines rule #2.

Referenced by [8], [9].

[8] bbbabb=babb

Overlap of [2] aa=bab with [7] abbb=babb:

a a abbb

Critical pair: ababb=babbbb.

Reduce LHS:

[4](abab)b
[7]⇒ (abbb)
⇒ babb

Reduce RHS:

[7]b(abbb)b
[7]⇒ bb(abbb)
⇒ bbbabb

Flip LHS and RHS.

Defines rule #1.

[9] abba=bbabb

Simplify [6] abba=babbb.

Reduce RHS:

[7]b(abbb)
⇒ bbabb

Defines rule #5.