Certificate for #1602 ⟨a, b | aaa=bb, aba=a

Completion settings:

[1] bb=aaa

Axiom: aaa=bb.

Flip LHS and RHS.

Defines rule #5.

Referenced by [3], [4].

[2] aba=a

Axiom: aba=a.

Defines rule #3.

Referenced by [4], [5].

[3] aaab=baaa

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

b b bb

Critical pair: baaa=aaab.

Flip LHS and RHS.

Referenced by [4], [5], [6].

[4] baaa=aaaaaaa

Overlap of [2] aba=a with [3] aaab=baaa:

ab a aaab

Critical pair: abbaaa=aaab.

Reduce LHS:

[1]a(bb)aaa
aaaaaaa

Reduce RHS:

[3](aaab)
baaa

Flip LHS and RHS.

Defines rule #2.

Referenced by [5], [6].

[5] aaaaaaaa=aaa

Overlap of [3] aaab=baaa with [2] aba=a:

aa ab aba

Critical pair: aaa=baaaa.

Reduce RHS:

[4](baaa)a
aaaaaaaa

Flip LHS and RHS.

Defines rule #1.

[6] aaab=aaaaaaa

Simplify [3] aaab=baaa.

Reduce RHS:

[4](baaa)
aaaaaaa

Defines rule #4.