Jean-Hervé Donnard, Ionesco dramaturge, collection « Situation » no 8, Paris, Minard, 1966, 195 p.

IZA Discussion Paper No. 195

The Jean Gutierrez spider mite collection

The family Tetranychidae (spider mites) currently comprises 1,275 species and represents one of the most important agricultural pest families among the Acari with approximately one hundred pest species, ten of which considered major pests. The dataset presented in this document includes all the identified spider mites composing the Jean Gutierrez Collection hosted at the CBGP (Montferrier-sur-L...

[Healthcare networks in epilepsy: situation in the greater Paris region].

The goal of healthcare networks is to provide global care for patients and to coordinate the actions of the different healthcare professionals to provide the most appropriate treatment based on patient needs. Such networks have been created in Ile-de-France for some neurological diseases but not epilepsy. However, the needs of the population are significant, with 55,000 to 70,000 epilepsy patie...

Vol. 8, No. 3 , 2019

Situations, Si! Situation Terms, No!

The situation calculus, as proposed by McCarthy and Hayes, and developed over the last decade by Reiter and co-workers, is reconsidered. A new logical variant is proposed that captures much of the expressive power of the original, but where certain technical results are much more easily proven. This is illustrated using two existing non-trivial results: the regression theorem and the determinac...