Certificate for #19211 ⟨a, b | aba=b, abbbbb=b⟩

Completion settings:

[1] aba=b

Axiom: aba=b.

Referenced by [3], [4], [7].

[2] abbbbb=b

Axiom: abbbbb=b.

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

[3] bba=abb

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

ab a aba

Critical pair: abb=bba.

Flip LHS and RHS.

Referenced by [4], [5].

[4] bbbbb=ba

Overlap of [2] abbbbb=b with [3] bba=abb:

abbb bb bba

Critical pair: abbbabb=ba.

Reduce LHS:

[3]ab(bba)bb
[1]⇒ (aba)bbbb
⇒ bbbbb

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

[5] aabb=bb

Overlap of [2] abbbbb=b with [4] bbbbb=ba:

ab bbbb bbbbb

Critical pair: abba=bb.

Reduce LHS:

[3]a(bba)
⇒ aabb

Referenced by [6].

[6] ba=ab

Overlap of [5] aabb=bb with [2] abbbbb=b:

a abb abbbbb

Critical pair: ab=bbbbb.

Reduce RHS:

[4](bbbbb)
⇒ ba

Flip LHS and RHS.

Defines rule #1.

Referenced by [7], [8].

[7] aab=b

Overlap of [1] aba=b with [6] ba=ab:

a ba ba

Critical pair: aab=b.

Defines rule #2.

[8] bbbbb=ab

Simplify [4] bbbbb=ba.

Reduce RHS:

[6](ba)
⇒ ab

Defines rule #3.