Certificate for #22 ⟨
a
,
b
|
ba
=
ab
⟩
Back:
⟨
a
,
b
|
ba
=
ab
⟩
Completion settings:
Reduction order:
Left-to-right shortlex with
a
<
b
[1]
ba
=
ab
Axiom:
ba
=
ab
.
Defines rule
#1
.