Certificate for #16146 ⟨a, b | aab=ab, aaaa=ab

Completion settings:

[1] aab=ab

Axiom: aab=ab.

Referenced by [3].

[2] ab=aaaa

Axiom: aaaa=ab.

Flip LHS and RHS.

Defines rule #2.

Referenced by [3], [4].

[3] aab=aaaa

Simplify [1] aab=ab.

Reduce RHS:

[2](ab)
aaaa

Referenced by [4].

[4] aaaaa=aaaa

Overlap of [3] aab=aaaa with [2] ab=aaaa:

a ab ab

Critical pair: aaaaa=aaaa.

Defines rule #1.