Certificate for #1999 ⟨a, b, c | abc=bb, ccc=1⟩

Completion settings:

[1] abc=bb

Axiom: abc=bb.

Referenced by [3].

[2] ccc=1

Axiom: ccc=1.

Defines rule #1.

Referenced by [3].

[3] ab=bbcc

Overlap of [1] abc=bb with [2] ccc=1:

ab c ccc

Critical pair: ab=bbcc.

Defines rule #2.