Certificate for #7791 ⟨a, b | aaa=1, ababb=ba

Completion settings:

[1] aaa=1

Axiom: aaa=1.

Defines rule #1.

Referenced by [5], [6], [8], [12], [13], [15], [18], [19], [20], [23], [25], [26], [28], [30], [31], [34], [39], [43], [45], [48], [49], [50], [51], [53], [55], [56], [57], [58], [60], [61], [63], [66], [67], [69], [70], [71], [72], [73], [74], [76], [78], [81], [82], [83], [84], [85], [87].

[2] ababb=ba

Axiom: ababb=ba.

Referenced by [5], [6], [7].

[3] baab=c

Axiom: baab=c.

Defines rule #11.

Referenced by [4], [6], [7], [9], [10], [11], [21], [24], [32], [40], [48], [55], [59], [62], [64], [65], [68].

[4] caab=baac

Overlap of [3] baab=c with [3] baab=c:

baa b baab

Critical pair: baac=caab.

Flip LHS and RHS.

Defines rule #10.

Referenced by [14], [18], [19], [20], [22], [25], [27], [31], [34], [46], [49], [51], [53], [56], [57], [62], [67], [83].

[5] babb=aaba

Overlap of [1] aaa=1 with [2] ababb=ba:

aa a ababb

Critical pair: aaba=babb.

Flip LHS and RHS.

Defines rule #17.

Referenced by [9], [30], [43], [55], [61], [62], [63], [65], [66], [69], [70], [72], [86].

[6] ababc=bb

Overlap of [2] ababb=ba with [3] baab=c:

abab b baab

Critical pair: ababc=baaab.

Reduce RHS:

[1]b(aaa)b
bb

Defines rule #18.

Referenced by [8], [9], [10], [14], [17], [30], [33], [44], [47], [61], [76], [78], [79], [86].

[7] cabb=baba

Overlap of [3] baab=c with [2] ababb=ba:

ba ab ababb

Critical pair: baba=cabb.

Flip LHS and RHS.

Defines rule #16.

Referenced by [62], [63], [65], [66], [67], [69], [70], [71], [72], [84], [87].

[8] aabb=babc

Overlap of [1] aaa=1 with [6] ababc=bb:

aa a ababc

Critical pair: aabb=babc.

Defines rule #15.

Referenced by [21], [22].

[9] cabc=aaba

Overlap of [3] baab=c with [6] ababc=bb:

ba ab ababc

Critical pair: babb=cabc.

Reduce LHS:

[5](babb)
aaba

Flip LHS and RHS.

Defines rule #7.

Referenced by [10], [11], [15], [28], [32], [55], [59], [76], [78].

[10] bbabc=abaca

Overlap of [6] ababc=bb with [9] cabc=aaba:

abab c cabc

Critical pair: ababaaba=bbabc.

Reduce LHS:

[3]aba(baab)a
abaca

Flip LHS and RHS.

Referenced by [21], [39].

[11] aacc=caca

Overlap of [9] cabc=aaba with [9] cabc=aaba:

cab c cabc

Critical pair: cabaaba=aabaabc.

Reduce LHS:

[3]ca(baab)a
caca

Reduce RHS:

[3]aa(baab)c
aacc

Flip LHS and RHS.

Defines rule #4.

Referenced by [12], [71], [75].

[12] acaca=cc

Overlap of [1] aaa=1 with [11] aacc=caca:

a aa aacc

Critical pair: acaca=cc.

Referenced by [13], [14], [15], [16].

[13] acac=ccaa

Overlap of [12] acaca=cc with [1] aaa=1:

acac a aaa

Critical pair: acac=ccaa.

Defines rule #2.

Referenced by [14], [18], [25], [48].

[14] cbaacb=ccbabc

Overlap of [12] acaca=cc with [6] ababc=bb:

acac a ababc

Critical pair: acacbb=ccbabc.

Reduce LHS:

[13](acac)bb
[4]c(caab)b
cbaacb

Referenced by [29], [35].

[15] ccbc=acba

Overlap of [12] acaca=cc with [9] cabc=aaba:

aca ca cabc

Critical pair: acaaaba=ccbc.

Reduce LHS:

[1]ac(aaa)ba
acba

Flip LHS and RHS.

Defines rule #8.

Referenced by [17], [19], [35], [62].

[16] accc=ccca

Overlap of [12] acaca=cc with [12] acaca=cc:

ac aca acaca

Critical pair: accc=ccca.

Defines rule #5.

Referenced by [20], [36], [63].

[17] ababacba=bbcbc

Overlap of [6] ababc=bb with [15] ccbc=acba:

abab c ccbc

Critical pair: ababacba=bbcbc.

Referenced by [40].

[18] acabaac=ccab

Overlap of [13] acac=ccaa with [4] caab=baac:

aca c caab

Critical pair: acabaac=ccaaaab.

Reduce RHS:

[1]cc(aaa)ab
ccab

Defines rule #37.

[19] ccbbaac=acbb

Overlap of [15] ccbc=acba with [4] caab=baac:

ccb c caab

Critical pair: ccbbaac=acbaaab.

Reduce RHS:

[1]acb(aaa)b
acbb

Defines rule #41.

[20] accbaac=cccb

Overlap of [16] accc=ccca with [4] caab=baac:

acc c caab

Critical pair: accbaac=cccaaab.

Reduce RHS:

[1]ccc(aaa)b
cccb

Defines rule #39.

[21] abaca=cb

Overlap of [3] baab=c with [8] aabb=babc:

b aab aabb

Critical pair: bbabc=cb.

Reduce LHS:

[10](bbabc)
abaca

Referenced by [23], [24], [25], [26], [27], [28], [29].

[22] baacb=cbabc

Overlap of [4] caab=baac with [8] aabb=babc:

c aab aabb

Critical pair: cbabc=baacb.

Flip LHS and RHS.

Referenced by [37], [41].

[23] aacb=baca

Overlap of [1] aaa=1 with [21] abaca=cb:

aa a abaca

Critical pair: aacb=baca.

Defines rule #12.

Referenced by [36], [38], [41], [48], [52], [54], [67].

[24] bacb=caca

Overlap of [3] baab=c with [21] abaca=cb:

ba ab abaca

Critical pair: bacb=caca.

Defines rule #14.

[25] cacb=bacc

Overlap of [4] caab=baac with [21] abaca=cb:

ca ab abaca

Critical pair: cacb=baacaca.

Reduce RHS:

[13]ba(acac)a
[1]bacc(aaa)
bacc

Defines rule #13.

Referenced by [35], [36], [37], [38], [50], [52], [54], [58].

[26] abac=cbaa

Overlap of [21] abaca=cb with [1] aaa=1:

abac a aaa

Critical pair: abac=cbaa.

Defines rule #3.

Referenced by [29], [39], [40], [64].

[27] ababaac=cbab

Overlap of [21] abaca=cb with [4] caab=baac:

aba ca caab

Critical pair: ababaac=cbab.

Defines rule #38.

Referenced by [73], [74].

[28] cbbc=abba

Overlap of [21] abaca=cb with [9] cabc=aaba:

aba ca cabc

Critical pair: abaaaba=cbbc.

Reduce LHS:

[1]ab(aaa)ba
abba

Flip LHS and RHS.

Defines rule #9.

Referenced by [30], [31], [32], [37], [43], [55], [65].

[29] ccbabc=cbbaca

Overlap of [21] abaca=cb with [21] abaca=cb:

abac a abaca

Critical pair: abaccb=cbbaca.

Reduce LHS:

[26](abac)cb
[14](cbaacb)
ccbabc

Referenced by [35].

[30] bbbbc=abbaa

Overlap of [6] ababc=bb with [28] cbbc=abba:

abab c cbbc

Critical pair: abababba=bbbbc.

Reduce LHS:

[5]aba(babb)a
[1]ab(aaa)baa
abbaa

Flip LHS and RHS.

Defines rule #26.

Referenced by [57], [58], [59].

[31] cbbbaac=abbb

Overlap of [28] cbbc=abba with [4] caab=baac:

cbb c caab

Critical pair: cbbbaac=abbaaab.

Reduce RHS:

[1]abb(aaa)b
abbb

Defines rule #42.

Referenced by [71], [72].

[32] abcc=cbca

Overlap of [28] cbbc=abba with [9] cabc=aaba:

cbb c cabc

Critical pair: cbbaaba=abbaabc.

Reduce LHS:

[3]cb(baab)a
cbca

Reduce RHS:

[3]ab(baab)c
abcc

Flip LHS and RHS.

Defines rule #6.

Referenced by [33], [34], [38], [40], [47], [66].

[33] abcbca=bbc

Overlap of [6] ababc=bb with [32] abcc=cbca:

ab abc abcc

Critical pair: abcbca=bbc.

Referenced by [44], [45], [46].

[34] abcbaac=cbcb

Overlap of [32] abcc=cbca with [4] caab=baac:

abc c caab

Critical pair: abcbaac=cbcaaab.

Reduce RHS:

[1]cbc(aaa)b
cbcb

Defines rule #40.

[35] ccbbacc=acbbaca

Overlap of [15] ccbc=acba with [25] cacb=bacc:

ccb c cacb

Critical pair: ccbbacc=acbaacb.

Reduce RHS:

[14]a(cbaacb)
[29]a(ccbabc)
acbbaca

Defines rule #49.

[36] accbacc=cccbaca

Overlap of [16] accc=ccca with [25] cacb=bacc:

acc c cacb

Critical pair: accbacc=cccaacb.

Reduce RHS:

[23]ccc(aacb)
cccbaca

Defines rule #47.

[37] abcbabc=cbbbacc

Overlap of [28] cbbc=abba with [25] cacb=bacc:

cbb c cacb

Critical pair: cbbbacc=abbaacb.

Reduce RHS:

[22]ab(baacb)
abcbabc

Flip LHS and RHS.

Referenced by [42].

[38] abcbacc=cbcbaca

Overlap of [32] abcc=cbca with [25] cacb=bacc:

abc c cacb

Critical pair: abcbacc=cbcaacb.

Reduce RHS:

[23]cbc(aacb)
cbcbaca

Defines rule #48.

[39] bbabc=cb

Simplify [10] bbabc=abaca.

Reduce RHS:

[26](abac)a
[1]cb(aaa)
cb

Defines rule #20.

Referenced by [43], [79].

[40] bbcbc=cbcaa

Overlap of [17] ababacba=bbcbc with [26] abac=cbaa:

ab abacba abac

Critical pair: abcbaaba=bbcbc.

Reduce LHS:

[3]abc(baab)a
[32](abcc)a
cbcaa

Flip LHS and RHS.

Defines rule #23.

Referenced by [48], [49], [50], [67].

[41] cbabc=bbaca

Overlap of [22] baacb=cbabc with [23] aacb=baca:

b aacb aacb

Critical pair: bbaca=cbabc.

Flip LHS and RHS.

Defines rule #19.

Referenced by [42], [47], [59], [72], [77].

[42] cbbbacc=abbbaca

Overlap of [37] abcbabc=cbbbacc with [41] cbabc=bbaca:

ab cbabc cbabc

Critical pair: abbbaca=cbbbacc.

Flip LHS and RHS.

Defines rule #50.

[43] cbbbc=bbbaa

Overlap of [39] bbabc=cb with [28] cbbc=abba:

bbab c cbbc

Critical pair: bbababba=cbbbc.

Reduce LHS:

[5]bba(babb)a
[1]bb(aaa)baa
bbbaa

Flip LHS and RHS.

Defines rule #25.

Referenced by [55], [56], [68], [80].

[44] abbbc=bbbca

Overlap of [6] ababc=bb with [33] abcbca=bbc:

ab abc abcbca

Critical pair: abbbc=bbbca.

Defines rule #24.

Referenced by [53], [54], [69].

[45] abcbc=bbcaa

Overlap of [33] abcbca=bbc with [1] aaa=1:

abcbc a aaa

Critical pair: abcbc=bbcaa.

Defines rule #21.

[46] abcbbaac=bbcab

Overlap of [33] abcbca=bbc with [4] caab=baac:

abcb ca caab

Critical pair: abcbbaac=bbcab.

Defines rule #61.

[47] abcbbaca=cbcbb

Overlap of [32] abcc=cbca with [41] cbabc=bbaca:

abc c cbabc

Critical pair: abcbbaca=cbcababc.

Reduce RHS:

[6]cbc(ababc)
cbcbb

Referenced by [82], [83], [84].

[48] cbcbc=bbcca

Overlap of [3] baab=c with [40] bbcbc=cbcaa:

baa b bbcbc

Critical pair: baacbcaa=cbcbc.

Reduce LHS:

[23]b(aacb)caa
[13]bb(acac)aa
[1]bbcc(aaa)a
bbcca

Flip LHS and RHS.

Defines rule #22.

Referenced by [51], [52], [70].

[49] bbcbbaac=cbcab

Overlap of [40] bbcbc=cbcaa with [4] caab=baac:

bbcb c caab

Critical pair: bbcbbaac=cbcaaaab.

Reduce RHS:

[1]cbc(aaa)ab
cbcab

Defines rule #63.

[50] bbcbbacc=cbccb

Overlap of [40] bbcbc=cbcaa with [25] cacb=bacc:

bbcb c cacb

Critical pair: bbcbbacc=cbcaaacb.

Reduce RHS:

[1]cbc(aaa)cb
cbccb

Defines rule #72.

[51] cbcbbaac=bbccb

Overlap of [48] cbcbc=bbcca with [4] caab=baac:

cbcb c caab

Critical pair: cbcbbaac=bbccaaab.

Reduce RHS:

[1]bbcc(aaa)b
bbccb

Defines rule #62.

[52] cbcbbacc=bbccbaca

Overlap of [48] cbcbc=bbcca with [25] cacb=bacc:

cbcb c cacb

Critical pair: cbcbbacc=bbccaacb.

Reduce RHS:

[23]bbcc(aacb)
bbccbaca

Defines rule #71.

[53] abbbbaac=bbbcb

Overlap of [44] abbbc=bbbca with [4] caab=baac:

abbb c caab

Critical pair: abbbbaac=bbbcaaab.

Reduce RHS:

[1]bbbc(aaa)b
bbbcb

Defines rule #64.

[54] abbbbacc=bbbcbaca

Overlap of [44] abbbc=bbbca with [25] cacb=bacc:

abbb c cacb

Critical pair: abbbbacc=bbbcaacb.

Reduce RHS:

[23]bbbc(aacb)
bbbcbaca

Defines rule #73.

[55] cbbbbbaa=ba

Overlap of [28] cbbc=abba with [43] cbbbc=bbbaa:

cbb c cbbbc

Critical pair: cbbbbbaa=abbabbbc.

Reduce RHS:

[5]ab(babb)bc
[3]a(baab)abc
[9]a(cabc)
[1](aaa)ba
ba

Referenced by [60].

[56] cbbbbaac=bbbab

Overlap of [43] cbbbc=bbbaa with [4] caab=baac:

cbbb c caab

Critical pair: cbbbbaac=bbbaaaab.

Reduce RHS:

[1]bbb(aaa)ab
bbbab

Defines rule #65.

Referenced by [85].

[57] bbbbbaac=abbab

Overlap of [30] bbbbc=abbaa with [4] caab=baac:

bbbb c caab

Critical pair: bbbbbaac=abbaaaab.

Reduce RHS:

[1]abb(aaa)ab
abbab

Defines rule #66.

[58] bbbbbacc=abbcb

Overlap of [30] bbbbc=abbaa with [25] cacb=bacc:

bbbb c cacb

Critical pair: bbbbbacc=abbaaacb.

Reduce RHS:

[1]abb(aaa)cb
abbcb

Defines rule #74.

[59] bbbbbbaca=aca

Overlap of [30] bbbbc=abbaa with [41] cbabc=bbaca:

bbbb c cbabc

Critical pair: bbbbbbaca=abbaababc.

Reduce RHS:

[3]ab(baab)abc
[9]ab(cabc)
[3]a(baab)a
aca

Referenced by [81].

[60] cbbbbb=baa

Overlap of [55] cbbbbbaa=ba with [1] aaa=1:

cbbbbb aa aaa

Critical pair: cbbbbb=baa.

Defines rule #36.

Referenced by [61], [62], [63], [64], [65], [66], [67], [68], [69], [70].

[61] bbbbbbb=b

Overlap of [6] ababc=bb with [60] cbbbbb=baa:

abab c cbbbbb

Critical pair: ababbaa=bbbbbbb.

Reduce LHS:

[5]a(babb)aa
[1](aaa)baaa
[1]b(aaa)
b

Flip LHS and RHS.

Defines rule #60.

[62] acabab=ccbbaa

Overlap of [15] ccbc=acba with [60] cbbbbb=baa:

ccb c cbbbbb

Critical pair: ccbbaa=acbabbbbb.

Reduce RHS:

[5]ac(babb)bbb
[4]a(caab)abbb
[7]abaa(cabb)b
[3]a(baab)abab
acabab

Flip LHS and RHS.

Defines rule #27.

Referenced by [73], [75], [77].

[63] ccbbab=accbaa

Overlap of [16] accc=ccca with [60] cbbbbb=baa:

acc c cbbbbb

Critical pair: accbaa=cccabbbbb.

Reduce RHS:

[7]cc(cabb)bbb
[5]ccba(babb)b
[1]ccb(aaa)bab
ccbbab

Flip LHS and RHS.

Defines rule #31.

[64] ccbbbb=ababaa

Overlap of [26] abac=cbaa with [60] cbbbbb=baa:

aba c cbbbbb

Critical pair: ababaa=cbaabbbbb.

Reduce RHS:

[3]c(baab)bbbb
ccbbbb

Flip LHS and RHS.

Defines rule #35.

[65] ababab=cbbbaa

Overlap of [28] cbbc=abba with [60] cbbbbb=baa:

cbb c cbbbbb

Critical pair: cbbbaa=abbabbbbb.

Reduce RHS:

[5]ab(babb)bbb
[3]a(baab)abbb
[7]a(cabb)b
ababab

Flip LHS and RHS.

Defines rule #28.

Referenced by [71], [72], [74].

[66] cbbbab=abcbaa

Overlap of [32] abcc=cbca with [60] cbbbbb=baa:

abc c cbbbbb

Critical pair: abcbaa=cbcabbbbb.

Reduce RHS:

[7]cb(cabb)bbb
[5]cbba(babb)b
[1]cbb(aaa)bab
cbbbab

Flip LHS and RHS.

Defines rule #32.

Referenced by [67], [79].

[67] abcbbab=bbcbbaa

Overlap of [40] bbcbc=cbcaa with [60] cbbbbb=baa:

bbcb c cbbbbb

Critical pair: bbcbbaa=cbcaabbbbb.

Reduce RHS:

[4]cb(caab)bbbb
[23]cbb(aacb)bbb
[7]cbbba(cabb)b
[66](cbbbab)abab
[1]abcb(aaa)bab
abcbbab

Flip LHS and RHS.

Defines rule #51.

Referenced by [83], [84], [86].

[68] bbcbbbb=cbbbbaa

Overlap of [43] cbbbc=bbbaa with [60] cbbbbb=baa:

cbbb c cbbbbb

Critical pair: cbbbbaa=bbbaabbbbb.

Reduce RHS:

[3]bb(baab)bbbb
bbcbbbb

Flip LHS and RHS.

Defines rule #58.

[69] bbbbbab=abbbbaa

Overlap of [44] abbbc=bbbca with [60] cbbbbb=baa:

abbb c cbbbbb

Critical pair: abbbbaa=bbbcabbbbb.

Reduce RHS:

[7]bbb(cabb)bbb
[5]bbbba(babb)b
[1]bbbb(aaa)bab
bbbbbab

Flip LHS and RHS.

Defines rule #56.

[70] bbcbbab=cbcbbaa

Overlap of [48] cbcbc=bbcca with [60] cbbbbb=baa:

cbcb c cbbbbb

Critical pair: cbcbbaa=bbccabbbbb.

Reduce RHS:

[7]bbc(cabb)bbb
[5]bbcba(babb)b
[1]bbcb(aaa)bab
bbcbbab

Flip LHS and RHS.

Defines rule #53.

[71] ccbbbac=acbbbaa

Overlap of [11] aacc=caca with [31] cbbbaac=abbb:

aac c cbbbaac

Critical pair: aacabbb=cacabbbaac.

Reduce LHS:

[7]aa(cabb)b
[65]a(ababab)
acbbbaa

Reduce RHS:

[7]ca(cabb)baac
[65]c(ababab)aac
[1]ccbbb(aaa)ac
ccbbbac

Flip LHS and RHS.

Defines rule #45.

[72] bbcbbbac=cbbab

Overlap of [41] cbabc=bbaca with [31] cbbbaac=abbb:

cbab c cbbbaac

Critical pair: cbababbb=bbacabbbaac.

Reduce LHS:

[5]cba(babb)b
[1]cb(aaa)bab
cbbab

Reduce RHS:

[7]bba(cabb)baac
[65]bb(ababab)aac
[1]bbcbbb(aaa)ac
bbcbbbac

Flip LHS and RHS.

Defines rule #68.

Referenced by [86].

[73] accbab=ccbbac

Overlap of [62] acabab=ccbbaa with [27] ababaac=cbab:

ac abab ababaac

Critical pair: accbab=ccbbaaaac.

Reduce RHS:

[1]ccbb(aaa)ac
ccbbac

Defines rule #29.

Referenced by [75], [76].

[74] abcbab=cbbbac

Overlap of [65] ababab=cbbbaa with [27] ababaac=cbab:

ab abab ababaac

Critical pair: abcbab=cbbbaaaac.

Reduce RHS:

[1]cbbb(aaa)ac
cbbbac

Defines rule #30.

Referenced by [77], [78].

[75] accbbac=cccbbaa

Overlap of [11] aacc=caca with [73] accbab=ccbbac:

a acc accbab

Critical pair: accbbac=cacabab.

Reduce RHS:

[62]c(acabab)
cccbbaa

Defines rule #43.

[76] accbbb=ccbbba

Overlap of [73] accbab=ccbbac with [6] ababc=bb:

accb ab ababc

Critical pair: accbbb=ccbbacabc.

Reduce RHS:

[9]ccbba(cabc)
[1]ccbb(aaa)ba
ccbbba

Defines rule #33.

[77] cbcbbbac=bbccbbaa

Overlap of [41] cbabc=bbaca with [74] abcbab=cbbbac:

cb abc abcbab

Critical pair: cbcbbbac=bbacabab.

Reduce RHS:

[62]bb(acabab)
bbccbbaa

Defines rule #67.

[78] abcbbb=cbbbba

Overlap of [74] abcbab=cbbbac with [6] ababc=bb:

abcb ab ababc

Critical pair: abcbbb=cbbbacabc.

Reduce RHS:

[9]cbbba(cabc)
[1]cbbb(aaa)ba
cbbbba

Defines rule #34.

Referenced by [80], [85].

[79] cbbbbab=bbbbbaa

Overlap of [39] bbabc=cb with [66] cbbbab=abcbaa:

bbab c cbbbab

Critical pair: bbababcbaa=cbbbbab.

Reduce LHS:

[6]bb(ababc)baa
bbbbbaa

Flip LHS and RHS.

Defines rule #55.

Referenced by [85], [87].

[80] cbbbbac=abbbbaa

Overlap of [78] abcbbb=cbbbba with [43] cbbbc=bbbaa:

ab cbbb cbbbc

Critical pair: abbbbaa=cbbbbac.

Flip LHS and RHS.

Defines rule #46.

Referenced by [87].

[81] bbbbbbac=ac

Overlap of [59] bbbbbbaca=aca with [1] aaa=1:

bbbbbbac a aaa

Critical pair: bbbbbbac=acaaa.

Reduce RHS:

[1]ac(aaa)
ac

Defines rule #70.

[82] abcbbac=cbcbbaa

Overlap of [47] abcbbaca=cbcbb with [1] aaa=1:

abcbbac a aaa

Critical pair: abcbbac=cbcbbaa.

Defines rule #44.

[83] cbcbbab=bbcbbac

Overlap of [47] abcbbaca=cbcbb with [4] caab=baac:

abcbba ca caab

Critical pair: abcbbabaac=cbcbbab.

Reduce LHS:

[67](abcbbab)aac
[1]bbcbb(aaa)ac
bbcbbac

Flip LHS and RHS.

Defines rule #52.

[84] cbcbbbb=bbcbbba

Overlap of [47] abcbbaca=cbcbb with [7] cabb=baba:

abcbba ca cabb

Critical pair: abcbbababa=cbcbbbb.

Reduce LHS:

[67](abcbbab)aba
[1]bbcbb(aaa)ba
bbcbbba

Flip LHS and RHS.

Defines rule #57.

[85] abbbbab=bbbbbac

Overlap of [78] abcbbb=cbbbba with [56] cbbbbaac=bbbab:

ab cbbb cbbbbaac

Critical pair: abbbbab=cbbbbabaac.

Reduce RHS:

[79](cbbbbab)aac
[1]bbbbb(aaa)ac
bbbbbac

Defines rule #54.

[86] abbbbbac=bbbcbbaa

Overlap of [5] babb=aaba with [72] bbcbbbac=cbbab:

bab b bbcbbbac

Critical pair: babcbbab=aababcbbbac.

Reduce LHS:

[67]b(abcbbab)
bbbcbbaa

Reduce RHS:

[6]a(ababc)bbbac
abbbbbac

Flip LHS and RHS.

Defines rule #69.

[87] abbbbbb=bbbbbba

Overlap of [80] cbbbbac=abbbbaa with [7] cabb=baba:

cbbbba c cabb

Critical pair: cbbbbababa=abbbbaaabb.

Reduce LHS:

[79](cbbbbab)aba
[1]bbbbb(aaa)ba
bbbbbba

Reduce RHS:

[1]abbbb(aaa)bb
abbbbbb

Flip LHS and RHS.

Defines rule #59.