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Injectives in finitely generated universal Horn classes

Published online by Cambridge University Press:  12 March 2014

Michael H. Albert  and
Ross Willard
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
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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
Information
The Journal of Symbolic Logic , Volume 52 , Issue 3 , September 1987 , pp. 786 - 792
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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