Certificate for #3959 ⟨a, b | aaabaaaba=aa

Completion settings:

[1] aaabaaaba=aa

Axiom: aaabaaaba=aa.

Referenced by [2], [3].

[2] aaabaa=aaaaba

Overlap of [1] aaabaaaba=aa with [1] aaabaaaba=aa:

aaab aaaba aaabaaaba

Critical pair: aaabaa=aaaaba.

Defines rule #1.

Referenced by [3].

[3] aaaaababa=aa

Overlap of [1] aaabaaaba=aa with [2] aaabaa=aaaaba:

aaabaaaba aaabaa

Critical pair: aaaabaaba=aa.

Reduce LHS:

[2]a(aaabaa)ba
aaaaababa

Defines rule #2.