#1851 ⟨a, b | aaaabaaa=ab⟩

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Infinite non-cancellative non-commutative monoid
Not left cancellative, because left multiplication by a is not injective:
- a ⋅ a³ba³ = ab and a ⋅ b = ab, however a³ba³ ≠ b
Enveloping group: ⟨a, b | aaabaaab^-1⟩

Format:	Pretty Plain
Word to reduce:
	Tips: Lowercase letters stand for generators. Spaces are ignored. Numbers repeat the previous letter, e.g. `b90`.
Reduction strategy:	Leftmost Rightmost
Path to normal form:	1 1

Auxiliary generators:
1. c = ab
Reduction order:
- Left-to-right recursive path with deg(a) = deg(c) = 0, a < c; deg(b) = 1
Certificate: derivations of all rewriting rules from the defining relations.

# ab:aaaabaaa=ab ac/b ab=c magic:0
ccaaa=aaacc
cacaaa=aaacac
aaacaaa=c
caacaaa=aaacaac
ab=c
cb=aaacaac

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