#417 ⟨a, b, c | abc=b, cba=1⟩

Contents

  1. Properties
  2. Rewriting system
  3. Other submonoids of same group
  4. Isomorphic instances

Properties

Rewriting system

Format:
Word:
Enter a word above to compute its normal form. Tips:
  • Lowercase letters stand for generators.
  • Spaces are ignored.
  • Numbers repeat the previous letter, e.g. b90.
Strategy:
Result: 1
1
#RuleProof
1. bd ⇒ 1 [13]
2. db ⇒ 1 [17]
3. da ⇒ bad [14]
4. b2a ⇒ ab [6]
5. bc ⇒ cb2 [8]
6. dc ⇒ cd2 [16]
7. ac ⇒ d [3]
8. cba ⇒ 1 [2]
# abc:abc=b,cba=1 bd/ac ac=d morph:2/0
bd=1
db=1
da=bad
bba=ab
bc=cbb
dc=cdd
ac=d
cba=1

Other submonoids of same group

6 unique, 16 total

Σ#PresentationPropertiesφ
7537⟨a, b, c | ba=ac, bb=c⟩Can Inf4
7554⟨a, b, c | bb=ac, ca=b⟩Can Inf3
71041⟨a, b, c | ab=c, bca=c⟩Can Inf2
85567⟨a, b, c | ab=c, baca=c⟩Can Inf
85675⟨a, b, c | aa=b, aac=ca⟩Can Inf1
86101⟨a, b, c | ab=c, cac=ba⟩Can Inf

Isomorphic instances

The mapping is from the listed presentation's alphabet to the current rewriting system's alphabet.

10 total

Σ#PresentationMapping
7700⟨a, b, c | abc=1, acba=1⟩φ(a) = b, φ(b) = dc, φ(c) = ba
7722⟨a, b, c | abc=1, cbaa=1⟩φ(a) = b, φ(b) = dc, φ(c) = ba
7723⟨a, b, c | abc=1, cbba=1⟩φ(a) = bad, φ(b) = b, φ(c) = c
81980⟨a, b, c | abc=ba, cba=1⟩φ(a) = bab, φ(b) = c, φ(c) = badcb
82795⟨a, b, c | abc=b, caba=1⟩φ(a) = bba, φ(b) = c, φ(c) = dc
84062⟨a, b, c | abc=1, bacba=1⟩φ(a) = bba, φ(b) = c, φ(c) = d
84097⟨a, b, c | abc=1, cacba=1⟩φ(a) = cb, φ(b) = d, φ(c) = ba
84099⟨a, b, c | abc=1, cbaba=1⟩φ(a) = bba, φ(b) = c, φ(c) = d
84539⟨a, b, c | abc=1, acba=b⟩φ(a) = dcb, φ(b) = dc, φ(c) = babab
84540⟨a, b, c | abc=1, acba=c⟩φ(a) = bab, φ(b) = dcc, φ(c) = ba