#3709 ⟨
a
,
b
|
abaaaabbab
=
a
⟩
Up:
Monoids with two generators and one relation
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#3708
⟨
a
,
b
|
abaaaababa
=
b
⟩
Next:
#3710
⟨
a
,
b
|
abaaaabbab
=
b
⟩
Quick links
Properties
Rewriting system
Properties
Presentation has sum-of-sides 11
Infinite non-commutative monoid
Rewriting system
Format:
Pretty
Plain
Word to reduce:
Tips:
Lowercase letters stand for generators.
Spaces are ignored.
Numbers repeat the previous letter, e.g.
b90
.
Reduction strategy:
Leftmost
Rightmost
Path to normal form:
1
1
Reduction order:
Left-to-right shortlex with
a
<
b
Certificate
: derivations of all rewriting rules from the defining relations.
#
Rule
Proof
1.
ab
a
4
b
2
a
⇒
a
5
b
2
ab
[2]
2.
a
4
(
a
b
2
)
2
⇒
a
[3]
# ab:abaaaabbab=a ab abaaaabba=aaaaabbab aaaaabbabb=a