Certificate for #2875 ⟨a, b | aaaabbaabba=1⟩

Completion settings:

[1] aaaabbaabba=1

Axiom: aaaabbaabba=1.

Referenced by [4].

[2] aaa=c

Axiom: aaa=c.

Defines rule #5.

Referenced by [4], [5], [6], [7], [9], [16], [25].

[3] aabb=d

Axiom: aabb=d.

Referenced by [4], [6], [7].

[4] cabbda=1

Overlap of [1] aaaabbaabba=1 with [2] aaa=c:

aaaabbaabba aaa

Critical pair: cabbaabba=1.

Reduce LHS:

[3]cabb(aabb)a
cabbda

Referenced by [8].

[5] ac=ca

Overlap of [2] aaa=c with [2] aaa=c:

a aa aaa

Critical pair: ac=ca.

Defines rule #2.

Referenced by [14], [21], [22], [23].

[6] cbb=ad

Overlap of [2] aaa=c with [3] aabb=d:

a aa aabb

Critical pair: ad=cbb.

Flip LHS and RHS.

Referenced by [18], [20].

[7] cabb=aad

Overlap of [2] aaa=c with [3] aabb=d:

aa a aabb

Critical pair: aad=cabb.

Flip LHS and RHS.

Referenced by [8].

[8] aadda=1

Simplify [4] cabbda=1.

Reduce LHS:

[7](cabb)da
aadda

Referenced by [9], [10], [11], [12].

[9] cdda=a

Overlap of [2] aaa=c with [8] aadda=1:

a aa aadda

Critical pair: a=cdda.

Flip LHS and RHS.

Referenced by [11].

[10] aadd=adda

Overlap of [8] aadda=1 with [8] aadda=1:

aadd a aadda

Critical pair: aadd=adda.

Referenced by [11], [12].

[11] addaa=cdd

Overlap of [9] cdda=a with [8] aadda=1:

cdd a aadda

Critical pair: cdd=aadda.

Reduce RHS:

[10](aadd)a
addaa

Flip LHS and RHS.

Referenced by [12], [13].

[12] cdd=1

Overlap of [8] aadda=1 with [10] aadd=adda:

aadda aadd

Critical pair: addaa=1.

Reduce LHS:

[11](addaa)
cdd

Defines rule #3.

Referenced by [13], [14], [17], [22], [24], [26].

[13] addaa=1

Simplify [11] addaa=cdd.

Reduce RHS:

[12](cdd)
⇒ 1

Referenced by [15], [16], [21].

[14] cadd=a

Overlap of [5] ac=ca with [12] cdd=1:

a c cdd

Critical pair: a=cadd.

Flip LHS and RHS.

Referenced by [19].

[15] adda=ddaa

Overlap of [13] addaa=1 with [13] addaa=1:

adda a addaa

Critical pair: adda=ddaa.

Referenced by [16].

[16] ddc=1

Overlap of [13] addaa=1 with [15] adda=ddaa:

addaa adda

Critical pair: ddaaa=1.

Reduce LHS:

[2]dd(aaa)
ddc

Referenced by [17], [18], [19], [21].

[17] dc=cd

Overlap of [12] cdd=1 with [16] ddc=1:

cd d ddc

Critical pair: cd=dc.

Flip LHS and RHS.

Defines rule #1.

Referenced by [22], [23].

[18] bb=ddad

Overlap of [16] ddc=1 with [6] cbb=ad:

dd c cbb

Critical pair: ddad=bb.

Flip LHS and RHS.

Defines rule #8.

Referenced by [20].

[19] add=dda

Overlap of [16] ddc=1 with [14] cadd=a:

dd c cadd

Critical pair: dda=add.

Flip LHS and RHS.

Defines rule #4.

Referenced by [21], [24], [26].

[20] adb=cbddad

Overlap of [6] cbb=ad with [18] bb=ddad:

cb b bb

Critical pair: cbddad=adb.

Flip LHS and RHS.

Defines rule #6.

Referenced by [21].

[21] aabddad=db

Overlap of [13] addaa=1 with [20] adb=cbddad:

adda a adb

Critical pair: addacbddad=db.

Reduce LHS:

[19](add)acbddad
[5]dda(ac)bddad
[5]dd(ac)abddad
[16](ddc)aabddad
aabddad

Referenced by [22].

[22] aabad=dbc

Overlap of [21] aabddad=db with [17] dc=cd:

aabdda d dc

Critical pair: aabddacd=dbc.

Reduce LHS:

[5]aabdd(ac)d
[17]aabd(dc)ad
[17]aab(dc)dad
[12]aab(cdd)ad
aabad

Referenced by [23].

[23] aabcad=dbcc

Overlap of [22] aabad=dbc with [17] dc=cd:

aaba d dc

Critical pair: aabacd=dbcc.

Reduce LHS:

[5]aab(ac)d
aabcad

Referenced by [24].

[24] aaba=dbccd

Overlap of [23] aabcad=dbcc with [19] add=dda:

aabc ad add

Critical pair: aabcdda=dbccd.

Reduce LHS:

[12]aab(cdd)a
aaba

Referenced by [25].

[25] aabc=dbccdaa

Overlap of [24] aaba=dbccd with [2] aaa=c:

aab a aaa

Critical pair: aabc=dbccdaa.

Referenced by [26].

[26] aab=dbcdaa

Overlap of [25] aabc=dbccdaa with [12] cdd=1:

aab c cdd

Critical pair: aab=dbccdaadd.

Reduce RHS:

[19]dbccda(add)
[19]dbccd(add)a
[12]dbc(cdd)daa
dbcdaa

Defines rule #7.