Certificate for #4457 ⟨a, b | aaaabbaa=aba

Completion settings:

[1] aaaabbaa=aba

Axiom: aaaabbaa=aba.

Defines rule #1.

Referenced by [2].

[2] abaaabbaa=aaaabbaba

Overlap of [1] aaaabbaa=aba with [1] aaaabbaa=aba:

aaaabb aa aaaabbaa

Critical pair: aaaabbaba=abaaabbaa.

Flip LHS and RHS.

Defines rule #2.