Certificate for #5377 ⟨a, b | aab=ab, abb=aa

Completion settings:

[1] aab=ab

Axiom: aab=ab.

Defines rule #2.

Referenced by [3].

[2] abb=aa

Axiom: abb=aa.

Defines rule #3.

Referenced by [3].

[3] aaa=aa

Overlap of [1] aab=ab with [2] abb=aa:

a ab abb

Critical pair: aaa=abb.

Reduce RHS:

[2](abb)
aa

Defines rule #1.