Certificate for #4685 ⟨a, b, c | aa=b, abbcc=1⟩

Completion settings:

[1] b=aa

Axiom: aa=b.

Flip LHS and RHS.

Defines rule #2.

Referenced by [2].

[2] aaaaacc=1

Axiom: abbcc=1.

Reduce LHS:

[1]a(b)bcc
[1]⇒ aaa(b)cc
⇒ aaaaacc

Defines rule #1.