Certificate for #4865 ⟨a, b | abbaabba=bab

Completion settings:

[1] abbaabba=bab

Axiom: abbaabba=bab.

Referenced by [8].

[2] ab=c

Axiom: ab=c.

Defines rule #56.

Referenced by [9], [14], [15], [16], [21], [22].

[3] cc=d

Axiom: cc=d.

Defines rule #35.

Referenced by [12], [13], [22], [23], [40].

[4] bd=e

Axiom: bd=e.

Defines rule #29.

Referenced by [14], [19], [23], [33].

[5] ba=f

Axiom: ba=f.

Defines rule #30.

Referenced by [8], [9], [15], [16], [20].

[6] ff=g

Axiom: ff=g.

Defines rule #22.

Referenced by [10], [11], [17], [20], [25], [54], [60], [61].

[7] cf=h

Axiom: cf=h.

Defines rule #33.

Referenced by [9], [11], [13], [18], [24], [26], [35].

[8] abbaabba=fb

Simplify [1] abbaabba=bab.

Reduce RHS:

[5](ba)b
fb

Referenced by [9].

[9] fb=hh

Overlap of [8] abbaabba=fb with [2] ab=c:

abbaabba ab

Critical pair: cbaabba=fb.

Reduce LHS:

[5]c(ba)abba
[7](cf)abba
[2]h(ab)ba
[5]hc(ba)
[7]h(cf)
hh

Flip LHS and RHS.

Defines rule #23.

Referenced by [16], [17], [18], [19], [20], [42].

[10] gf=fg

Overlap of [6] ff=g with [6] ff=g:

f f ff

Critical pair: fg=gf.

Flip LHS and RHS.

Referenced by [29].

[11] cg=hf

Overlap of [7] cf=h with [6] ff=g:

c f ff

Critical pair: cg=hf.

Defines rule #36.

Referenced by [40], [41], [52].

[12] dc=cd

Overlap of [3] cc=d with [3] cc=d:

c c cc

Critical pair: cd=dc.

Flip LHS and RHS.

Defines rule #49.

Referenced by [48], [54].

[13] df=ch

Overlap of [3] cc=d with [7] cf=h:

c c cf

Critical pair: ch=df.

Flip LHS and RHS.

Defines rule #47.

Referenced by [42], [43], [44].

[14] ae=cd

Overlap of [2] ab=c with [4] bd=e:

a b bd

Critical pair: ae=cd.

Defines rule #53.

[15] af=ca

Overlap of [2] ab=c with [5] ba=f:

a b ba

Critical pair: af=ca.

Defines rule #55.

[16] bc=hh

Overlap of [5] ba=f with [2] ab=c:

b a ab

Critical pair: bc=fb.

Reduce RHS:

[9](fb)
hh

Defines rule #27.

Referenced by [22], [23], [24], [34].

[17] gb=fhh

Overlap of [6] ff=g with [9] fb=hh:

f f fb

Critical pair: fhh=gb.

Flip LHS and RHS.

Referenced by [21], [30].

[18] chh=hb

Overlap of [7] cf=h with [9] fb=hh:

c f fb

Critical pair: chh=hb.

Defines rule #6.

Referenced by [43], [48], [49], [50], [53], [54], [60], [61].

[19] fe=hhd

Overlap of [9] fb=hh with [4] bd=e:

f b bd

Critical pair: fe=hhd.

Referenced by [25], [31].

[20] hha=g

Overlap of [9] fb=hh with [5] ba=f:

f b ba

Critical pair: ff=hha.

Reduce LHS:

[6](ff)
g

Flip LHS and RHS.

Defines rule #12.

Referenced by [21], [27], [28], [37], [38], [46], [62].

[21] hhc=fhh

Overlap of [20] hha=g with [2] ab=c:

hh a ab

Critical pair: hhc=gb.

Reduce RHS:

[17](gb)
fhh

Referenced by [23], [32].

[22] ahh=d

Overlap of [2] ab=c with [16] bc=hh:

a b bc

Critical pair: ahh=cc.

Reduce RHS:

[3](cc)
d

Defines rule #11.

Referenced by [37], [38], [39].

[23] fhh=e

Overlap of [16] bc=hh with [3] cc=d:

b c cc

Critical pair: bd=hhc.

Reduce LHS:

[4](bd)
e

Reduce RHS:

[21](hhc)
fhh

Flip LHS and RHS.

Defines rule #2.

Referenced by [25], [26], [27], [28], [30], [32], [36], [43], [51].

[24] bh=hhf

Overlap of [16] bc=hh with [7] cf=h:

b c cf

Critical pair: bh=hhf.

Defines rule #4.

Referenced by [43], [45], [46], [47], [49], [54], [60], [61].

[25] hhd=ghh

Overlap of [6] ff=g with [23] fhh=e:

f f fhh

Critical pair: fe=ghh.

Reduce LHS:

[19](fe)
hhd

Defines rule #10.

Referenced by [31], [56].

[26] ce=hhh

Overlap of [7] cf=h with [23] fhh=e:

c f fhh

Critical pair: ce=hhh.

Defines rule #31.

Referenced by [54], [55].

[27] fg=ea

Overlap of [23] fhh=e with [20] hha=g:

f hh hha

Critical pair: fg=ea.

Defines rule #24.

Referenced by [29], [44].

[28] fhg=eha

Overlap of [23] fhh=e with [20] hha=g:

fh h hha

Critical pair: fhg=eha.

Defines rule #25.

[29] gf=ea

Simplify [10] gf=fg.

Reduce RHS:

[27](fg)
ea

Defines rule #40.

[30] gb=e

Simplify [17] gb=fhh.

Reduce RHS:

[23](fhh)
e

Defines rule #42.

Referenced by [33], [34], [45].

[31] fe=ghh

Simplify [19] fe=hhd.

Reduce RHS:

[25](hhd)
ghh

Defines rule #20.

[32] hhc=e

Simplify [21] hhc=fhh.

Reduce RHS:

[23](fhh)
e

Defines rule #7.

Referenced by [35], [36], [39], [41], [47], [49], [50], [63].

[33] ge=ed

Overlap of [30] gb=e with [4] bd=e:

g b bd

Critical pair: ge=ed.

Defines rule #38.

Referenced by [57].

[34] ec=ghh

Overlap of [30] gb=e with [16] bc=hh:

g b bc

Critical pair: ghh=ec.

Flip LHS and RHS.

Defines rule #18.

Referenced by [52], [53], [55].

[35] ef=hhh

Overlap of [32] hhc=e with [7] cf=h:

hh c cf

Critical pair: hhh=ef.

Flip LHS and RHS.

Defines rule #15.

Referenced by [51].

[36] fhe=ehc

Overlap of [23] fhh=e with [32] hhc=e:

fh h hhc

Critical pair: fhe=ehc.

Defines rule #21.

[37] ag=da

Overlap of [22] ahh=d with [20] hha=g:

a hh hha

Critical pair: ag=da.

Defines rule #57.

[38] ahg=dha

Overlap of [22] ahh=d with [20] hha=g:

ah h hha

Critical pair: ahg=dha.

Defines rule #58.

[39] ahe=dhc

Overlap of [22] ahh=d with [32] hhc=e:

ah h hhc

Critical pair: ahe=dhc.

Defines rule #54.

[40] dg=chf

Overlap of [3] cc=d with [11] cg=hf:

c c cg

Critical pair: chf=dg.

Flip LHS and RHS.

Defines rule #50.

[41] eg=hhhf

Overlap of [32] hhc=e with [11] cg=hf:

hh c cg

Critical pair: hhhf=eg.

Flip LHS and RHS.

Defines rule #19.

Referenced by [58].

[42] chb=dhh

Overlap of [13] df=ch with [9] fb=hh:

d f fb

Critical pair: dhh=chb.

Flip LHS and RHS.

Defines rule #34.

Referenced by [60], [61].

[43] de=hhhf

Overlap of [13] df=ch with [23] fhh=e:

d f fhh

Critical pair: de=chhh.

Reduce RHS:

[18](chh)h
[24]h(bh)
hhhf

Defines rule #44.

Referenced by [44], [54], [56], [57].

[44] chg=hhhfa

Overlap of [13] df=ch with [27] fg=ea:

d f fg

Critical pair: dea=chg.

Reduce LHS:

[43](de)a
hhhfa

Flip LHS and RHS.

Defines rule #37.

[45] ghhf=eh

Overlap of [30] gb=e with [24] bh=hhf:

g b bh

Critical pair: ghhf=eh.

Defines rule #41.

[46] bg=hhfha

Overlap of [24] bh=hhf with [20] hha=g:

b h hha

Critical pair: bg=hhfha.

Defines rule #28.

Referenced by [61].

[47] be=hhfhc

Overlap of [24] bh=hhf with [32] hhc=e:

b h hhc

Critical pair: be=hhfhc.

Defines rule #26.

Referenced by [60].

[48] dhb=cdhh

Overlap of [12] dc=cd with [18] chh=hb:

d c chh

Critical pair: dhb=cdhh.

Defines rule #48.

[49] che=hhhfc

Overlap of [18] chh=hb with [32] hhc=e:

ch h hhc

Critical pair: che=hbhc.

Reduce RHS:

[24]h(bh)c
hhhfc

Defines rule #32.

[50] hhhb=ehh

Overlap of [32] hhc=e with [18] chh=hb:

hh c chh

Critical pair: hhhb=ehh.

Defines rule #5.

[51] ee=hhhhh

Overlap of [35] ef=hhh with [23] fhh=e:

e f fhh

Critical pair: ee=hhhhh.

Defines rule #13.

Referenced by [57], [58], [59], [64].

[52] ghhg=ehf

Overlap of [34] ec=ghh with [11] cg=hf:

e c cg

Critical pair: ehf=ghhg.

Flip LHS and RHS.

Defines rule #43.

[53] ehb=ghhhh

Overlap of [34] ec=ghh with [18] chh=hb:

e c chh

Critical pair: ehb=ghhhh.

Defines rule #17.

[54] dhhh=hhhg

Overlap of [12] dc=cd with [26] ce=hhh:

d c ce

Critical pair: dhhh=cde.

Reduce RHS:

[43]c(de)
[18](chh)hf
[24]h(bh)f
[6]hhh(ff)
hhhg

Defines rule #9.

Referenced by [62], [63].

[55] ghhe=ehhh

Overlap of [34] ec=ghh with [26] ce=hhh:

e c ce

Critical pair: ehhh=ghhe.

Flip LHS and RHS.

Defines rule #39.

Referenced by [56], [64].

[56] hhhhhf=ehhh

Overlap of [25] hhd=ghh with [43] de=hhhf:

hh d de

Critical pair: hhhhhf=ghhe.

Reduce RHS:

[55](ghhe)
ehhh

Defines rule #3.

[57] ehhhf=ghhhhh

Overlap of [33] ge=ed with [51] ee=hhhhh:

g e ee

Critical pair: ghhhhh=ede.

Reduce RHS:

[43]e(de)
ehhhf

Flip LHS and RHS.

Defines rule #16.

Referenced by [58].

[58] hhhhhg=ghhhhh

Overlap of [51] ee=hhhhh with [41] eg=hhhf:

e e eg

Critical pair: ehhhf=hhhhhg.

Reduce LHS:

[57](ehhhf)
ghhhhh

Flip LHS and RHS.

Defines rule #8.

[59] hhhhhe=ehhhhh

Overlap of [51] ee=hhhhh with [51] ee=hhhhh:

e e ee

Critical pair: ehhhhh=hhhhhe.

Flip LHS and RHS.

Defines rule #1.

[60] dhhe=hhhghc

Overlap of [42] chb=dhh with [47] be=hhfhc:

ch b be

Critical pair: chhhfhc=dhhe.

Reduce LHS:

[18](chh)hfhc
[24]h(bh)fhc
[6]hhh(ff)hc
hhhghc

Flip LHS and RHS.

Defines rule #46.

[61] dhhg=hhhgha

Overlap of [42] chb=dhh with [46] bg=hhfha:

ch b bg

Critical pair: chhhfha=dhhg.

Reduce LHS:

[18](chh)hfha
[24]h(bh)fha
[6]hhh(ff)ha
hhhgha

Flip LHS and RHS.

Defines rule #52.

[62] dhg=hhhga

Overlap of [54] dhhh=hhhg with [20] hha=g:

dh hh hha

Critical pair: dhg=hhhga.

Defines rule #51.

[63] dhe=hhhgc

Overlap of [54] dhhh=hhhg with [32] hhc=e:

dh hh hhc

Critical pair: dhe=hhhgc.

Defines rule #45.

[64] ehhhe=ghhhhhhh

Overlap of [55] ghhe=ehhh with [51] ee=hhhhh:

ghh e ee

Critical pair: ghhhhhhh=ehhhe.

Flip LHS and RHS.

Defines rule #14.