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- Gonzalo E. Reyes, Houman Zolfaghari
- J. Philosophical Logic
- 1996

- Michael Makkai, Gonzalo E. Reyes
- Ann. Pure Appl. Logic
- 1995

- Gonzalo E. Reyes
- 2003

We take some first steps in providing a synthetic theory of distributions. In particular, we are interested in the use of distribution theory as foundation, not just as tool, in the study of the wave equation. AMS classification: 18F99, 35L05, 46F10

- Gonzalo E. Reyes
- Notre Dame Journal of Formal Logic
- 1991

- Gonzalo E. Reyes, Marek W. Zawadowski
- Studia Logica
- 1993

- Adriana Galli, Marta Sagastume, Gonzalo E. Reyes
- Studia Logica
- 2000

- Gonzalo E. Reyes
- J. Symb. Log.
- 1972

In the context of constructive locale or frame theory (locale theory over a fixed base locale), we study some aspects of ’frame distributions’, meaning sup preserving maps from a frame to the base frame. We derive a relationship between results of Jibladze-Johnstone and Bunge-Funk, and also descriptions in distribution terms, as well as in double negation… (More)

- Anders Kock, Gonzalo Reyes
- 2003

We examine critically some of the existing descriptions of the envelope of a 1-parameter family of surfaces in 3-space. An old, natural, description is that the envelope is the union of the characteristic curves (defined as the “limit intersection curves” of surfaces from the family). This description fell in disrepute during the 20th century. We claim that… (More)

We prove that certain categories arising from atoms in a Grothendieck topos are themselves Grothendieck toposes. We also investigate enrichments of these categories over the base topos; there are in fact often two distinct enrichments.