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Injectives in finitely generated universal Horn classes

Published online by Cambridge University Press:  12 March 2014

Michael H. Albert
Affiliation:
Department of Pure Mathematics, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
Ross Willard
Affiliation:
Department of Pure Mathematics, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada

Abstract

Let K be a finite set of finite structures. We give a syntactic characterization of the property: every element of K is injective in ISP(K). We use this result to establish that is injective in ISP( ) for every two-element algebra .

Type
Research Article
Copyright
Copyright © Association for Symbolic Logic 1987

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Footnotes

1

Research supported by an NSERC postdoctoral fellowship.

2

Research supported by an Ontario graduate scholarship.

References

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