Certificate for #15874 ⟨a, b | aba=ab, baaaa=b

Completion settings:

[1] aba=ab

Axiom: aba=ab.

Defines rule #1.

Referenced by [3].

[2] baaaa=b

Axiom: baaaa=b.

Defines rule #3.

Referenced by [3].

[3] bba=bb

Overlap of [2] baaaa=b with [1] aba=ab:

baaa a aba

Critical pair: baaaab=bba.

Reduce LHS:

[2](baaaa)b
bb

Flip LHS and RHS.

Defines rule #2.