#20215 ⟨a, b | aba=a, abba=aab⟩

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  1. Properties
  2. Rewriting system

Properties

Rewriting system

Format:
Word to reduce:
Tips:
  • Lowercase letters stand for generators.
  • Spaces are ignored.
  • Numbers repeat the previous letter, e.g. b90.
Reduction strategy:
Path to normal form: 1 
1
#RuleProof
1. a3 ⇒ a2 [5]
2. aba ⇒ a [1]
3. ab2a ⇒ a2b [2]
4. a2b3a ⇒ a2b [4]
# ab:aba=a,abba=aab ab
aaa=aa
aba=a
abba=aab
aabbba=aab