Certificate for #15471 ⟨a, b | aaa=ab, abbbb=a

Completion settings:

[1] ab=aaa

Axiom: aaa=ab.

Flip LHS and RHS.

Defines rule #2.

Referenced by [2].

[2] aaaaaaaaa=a

Axiom: abbbb=a.

Reduce LHS:

[1](ab)bbb
[1]aa(ab)bb
[1]aaaa(ab)b
[1]aaaaaa(ab)
aaaaaaaaa

Defines rule #1.