Certificate for #254 ⟨a, b | aa=b, abb=b⟩

Completion settings:

[1] b=aa

Axiom: aa=b.

Flip LHS and RHS.

Defines rule #2.

Referenced by [2].

[2] aaaaa=aa

Axiom: abb=b.

Reduce LHS:

[1]a(b)b
[1]⇒ aaa(b)
⇒ aaaaa

Reduce RHS:

[1](b)
⇒ aa

Defines rule #1.