Certificate for #2207 ⟨a, b | ab=aa, bbbb=b

Completion settings:

[1] ab=aa

Axiom: ab=aa.

Defines rule #1.

Referenced by [3].

[2] bbbb=b

Axiom: bbbb=b.

Defines rule #2.

Referenced by [3].

[3] aaaaa=aa

Overlap of [1] ab=aa with [2] bbbb=b:

a b bbbb

Critical pair: ab=aabbb.

Reduce LHS:

[1](ab)
aa

Reduce RHS:

[1]a(ab)bb
[1]aa(ab)b
[1]aaa(ab)
aaaaa

Flip LHS and RHS.

Defines rule #3.