2006 | OriginalPaper | Chapter
Institutional 2-cells and Grothendieck Institutions
Author : Till Mossakowski
Published in: Algebra, Meaning, and Computation
Publisher: Springer Berlin Heidelberg
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We propose to use Grothendieck institutions based on 2-categorical diagrams as a basis for heterogeneous specification. We prove a number of results about colimits and (some weak variants of) exactness. This framework can also be used for obtaining proof systems for heterogeneous theories involving institution semi-morphisms.