Certificate for #20177 ⟨a, b | aba=a, aaaa=aab⟩

Completion settings:

• Reduction order:
  • Left-to-right recursive path with deg(a) = 0; deg(b) = 1

Axiom: aba=a.

Defines rule #2.

Referenced by [3].

Axiom: aaaa=aab.

Flip LHS and RHS.

Defines rule #3.

Referenced by [3].

Overlap of [2] aab=aaaa with [1] aba=a:

Critical pair: aa=aaaaa.

Flip LHS and RHS.

Defines rule #1.