On generalizing Stallings' pregroup (Q1183285)
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scientific article; zbMATH DE number 33038
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On generalizing Stallings' pregroup |
scientific article; zbMATH DE number 33038 |
Statements
On generalizing Stallings' pregroup (English)
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28 June 1992
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The aim of this paper is to prove that for a pregroup \(P\) the axioms \(P_ 1\) to \(P_ 4\) together with the axiom \([Q_ 5]\) are sufficient to prove a normal form theorem (we recall the axiom \([Q_ 5]\): If \(ab\), \(bc\), \(cd\), and \(de\) are defined then at least one of \(abc\), \(bcd\), and \(cde\) is defined).
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pregroup
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axioms
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normal form theorem
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