Certificate for #19155 ⟨a, b | aba=a, bbaabb=b

Completion settings:

[1] aba=a

Axiom: aba=a.

Referenced by [6].

[2] bbaabb=b

Axiom: bbaabb=b.

Referenced by [4].

[3] bb=c

Axiom: bb=c.

Referenced by [4], [5].

[4] b=caac

Overlap of [2] bbaabb=b with [3] bb=c:

bbaabb bb

Critical pair: caabb=b.

Reduce LHS:

[3]caa(bb)
caac

Flip LHS and RHS.

Defines rule #9.

Referenced by [5], [6].

[5] caaccaac=c

Overlap of [3] bb=c with [4] b=caac:

bb b

Critical pair: caacb=c.

Reduce LHS:

[4]caac(b)
caaccaac

Referenced by [9], [10], [11], [12], [16].

[6] acaaca=a

Simplify [1] aba=a.

Reduce LHS:

[4]a(b)a
acaaca

Referenced by [7], [8].

[7] acaa=aaca

Overlap of [6] acaaca=a with [6] acaaca=a:

aca aca acaaca

Critical pair: acaa=aaca.

Defines rule #2.

Referenced by [8], [11], [13], [14], [16].

[8] aacaca=a

Overlap of [6] acaaca=a with [7] acaa=aaca:

acaaca acaa

Critical pair: aacaca=a.

Defines rule #6.

Referenced by [10], [11], [14].

[9] ccaac=caacc

Overlap of [5] caaccaac=c with [5] caaccaac=c:

caac caac caaccaac

Critical pair: caacc=ccaac.

Flip LHS and RHS.

Referenced by [11].

[10] caacca=caca

Overlap of [5] caaccaac=c with [8] aacaca=a:

caacc aac aacaca

Critical pair: caacca=caca.

Referenced by [12], [16].

[11] aacc=ac

Overlap of [7] acaa=aaca with [5] caaccaac=c:

a caa caaccaac

Critical pair: ac=aacaccaac.

Reduce RHS:

[9]aaca(ccaac)
[8](aacaca)acc
aacc

Flip LHS and RHS.

Defines rule #1.

Referenced by [12], [13].

[12] cacac=cc

Overlap of [5] caaccaac=c with [11] aacc=ac:

caacc aac aacc

Critical pair: caaccac=cc.

Reduce LHS:

[10](caacca)c
cacac

Defines rule #5.

Referenced by [14], [15].

[13] aacacc=acac

Overlap of [7] acaa=aaca with [11] aacc=ac:

ac aa aacc

Critical pair: acac=aacacc.

Flip LHS and RHS.

Defines rule #7.

[14] ccaa=ca

Overlap of [12] cacac=cc with [7] acaa=aaca:

cac ac acaa

Critical pair: cacaaca=ccaa.

Reduce LHS:

[7]c(acaa)ca
[8]c(aacaca)
ca

Flip LHS and RHS.

Defines rule #3.

[15] ccac=cacc

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

ca cac cacac

Critical pair: cacc=ccac.

Flip LHS and RHS.

Defines rule #4.

[16] caacac=c

Overlap of [5] caaccaac=c with [10] caacca=caca:

caaccaac caacca

Critical pair: cacaac=c.

Reduce LHS:

[7]c(acaa)c
caacac

Defines rule #8.