Certificate for #580 ⟨
a
,
b
|
abbb
=
abba
⟩
Back:
⟨
a
,
b
|
abbb
=
abba
⟩
Completion settings:
Reduction order:
Left-to-right shortlex with
a
<
b
[1]
abbb
=
abba
Axiom:
abbb
=
abba
.
Defines rule
#1
.