Certificate for #19626 ⟨a, b | aab=b, bbbba=ba

Completion settings:

[1] aab=b

Axiom: aab=b.

Defines rule #1.

Referenced by [3].

[2] bbbba=ba

Axiom: bbbba=ba.

Defines rule #2.

Referenced by [3].

[3] bbbbb=bb

Overlap of [2] bbbba=ba with [1] aab=b:

bbbb a aab

Critical pair: bbbbb=baab.

Reduce RHS:

[1]b(aab)
bb

Defines rule #3.