Certificate for #16276 ⟨a, b | aab=bb, aaaa=bb

Completion settings:

[1] bb=aab

Axiom: aab=bb.

Flip LHS and RHS.

Referenced by [2], [3].

[2] aab=aaaa

Axiom: aaaa=bb.

Reduce RHS:

[1](bb)
aab

Flip LHS and RHS.

Defines rule #2.

Referenced by [3], [4].

[3] bb=aaaa

Simplify [1] bb=aab.

Reduce RHS:

[2](aab)
aaaa

Defines rule #3.

Referenced by [4].

[4] baaaa=aaaaaa

Overlap of [3] bb=aaaa with [3] bb=aaaa:

b b bb

Critical pair: baaaa=aaaab.

Reduce RHS:

[2]aa(aab)
aaaaaa

Defines rule #1.