Certificate for #645 ⟨a, b | ab=aa, bbb=b⟩

Back:⟨a, b | ab=aa, bbb=b⟩

Completion settings:

[1] ab=aa

Axiom: ab=aa.

Defines rule #1.

Referenced by [3].

[2] bbb=b

Axiom: bbb=b.

Defines rule #2.

Referenced by [3].

[3] aaaa=aa

Overlap of [1] ab=aa with [2] bbb=b:

a b bbb

Critical pair: ab=aabb.

Reduce LHS:

[1](ab)
⇒ aa

Reduce RHS:

[1]a(ab)b
[1]⇒ aa(ab)
⇒ aaaa

Flip LHS and RHS.

Defines rule #3.