#3137 ⟨
a
,
b
|
aabbbaaabab
=1⟩
Up:
Monoids with two generators and one relation
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#3133
⟨
a
,
b
|
aabbabbbbba
=1⟩
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#3139
⟨
a
,
b
|
aabbbaabaab
=1⟩
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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.
a
2
b
3
a
3
bab
⇒ 1
[1]
# ab:aabbbaaabab=1 ab aabbbaaabab=1