Certificate for #5395 ⟨a, b | aab=ba, abb=ba⟩

Completion settings:

[1] aab=ba

Axiom: aab=ba.

Referenced by [3].

[2] ba=abb

Axiom: abb=ba.

Flip LHS and RHS.

Defines rule #2.

Referenced by [3], [4].

[3] aab=abb

Simplify [1] aab=ba.

Reduce RHS:

[2](ba)
⇒ abb

Defines rule #3.

Referenced by [4].

[4] abbbbb=abbbb

Overlap of [3] aab=abb with [2] ba=abb:

aa b ba

Critical pair: aaabb=abba.

Reduce LHS:

[3]a(aab)b
[3]⇒ (aab)bb
⇒ abbbb

Reduce RHS:

[2]ab(ba)
[2]⇒ a(ba)bb
[3]⇒ (aab)bbb
⇒ abbbbb

Flip LHS and RHS.

Defines rule #1.