Morphocompletion for #2057 ⟨a, b | abababba=ab

Solved by morph:2/0,2/0. (See Morphocompletion.)

Step 1

Checking up to 20 rules for overlaps.

Rewriting system is not complete: rulesLimit

#Rule
1. abbbaa ⇒ ababab
2. abbabba ⇒ abababb
3. abababba ⇒ ab
4. abbbbaa ⇒ abbabab
5. abbbabba ⇒ abbababb
6. abbababba ⇒ abb
7. abbbbbaa ⇒ abbbabab
8. abababababb ⇒ abbba
9. abababbbba ⇒ abbabababb
10. abbbbabba ⇒ abbbababb
11. abbbababba ⇒ abbb
12. abbbbbbaa ⇒ abbbbabab
13. abbababababb ⇒ abbbba
14. abbbbbabba ⇒ abbbbababb
15. abbbbababba ⇒ abbbb
16. abbbbbbbaa ⇒ abbbbbabab
17. abbbababababb ⇒ abbbbba
18. abbbbbababba ⇒ abbbbb
...

Collecting factors up to length 7, frequency 4:

Length 2:[2/0] ab, [2/1] bb, [2/2] ba, [2/3] aa
Length 3:[3/0] abb, [3/1] bba, [3/2] bbb, [3/3] bab
Length 4:[4/0] abbb, [4/1] abba, [4/2] abab, [4/3] bbbb
Length 5:[5/0] babba, [5/1] abbbb, [5/2] babab, [5/3] ababb
Length 6:[6/0] bababb, [6/1] ababab, [6/2] abbbbb, [6/3] ababba

Considering [length 2 / frequency 0] ab=c.

Step 2

Checking up to 20 rules for overlaps.

Rewriting system is not complete: wordLimit

#Rule
1. ab ⇒ c
2. cccba ⇒ c
3. cccbc ⇒ cb
4. cbba ⇒ cccccb
5. cbcba ⇒ cccb
6. cbccba ⇒ cb
7. cbbc ⇒ cccccbb
8. cbcbc ⇒ cccbb
9. cbccbc ⇒ cbb
10. cbbba ⇒ cbccccb
11. cbbbc ⇒ cbccccbb
12. cbbbba ⇒ cccccccccccccccccbbb
13. cbbbbc ⇒ cccccccccccccccccbbbb
...

Collecting factors up to length 6, frequency 7:

Length 2:[2/0] cb, [2/1] bc, [2/2] bb, [2/3] ba, [2/4] cc
Length 3:[3/0] cbc, [3/1] cbb, [3/2] bbb, [3/3] bbc, [3/4] bba, [3/5] cba, [3/6] ccb
Length 4:[4/0] cbbb, [4/1] bbbc, [4/2] bbba, [4/3] cbcb, [4/4] cbcc, [4/5] ccbc, [4/6] ccba
Length 5:[5/0] cbbbb, [5/1] cbccb, [5/2] bbbbc, [5/3] bbbba, [5/4] bccbc, [5/5] bccba, [5/6] ccbbb

Considering [length 2 / frequency 0] cb=d.

Step 3

Rewriting system is complete. See a, b | abababba=ab.