Certificate for #16201 ⟨a, b | aab=ab, bbba=aa

Completion settings:

[1] aab=ab

Axiom: aab=ab.

Defines rule #1.

Referenced by [3].

[2] bbba=aa

Axiom: bbba=aa.

Defines rule #3.

Referenced by [3].

[3] aaaa=aaa

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

aa b bbba

Critical pair: aaaa=abbba.

Reduce RHS:

[2]a(bbba)
aaa

Defines rule #2.