This section is divided into two main parts. The first exposes the main theoretical assumptions, in particular the distinction between "brute facts" and "social facts" (Sect. 2.1). Considering "abandonment as a social fact" is a thesis in social ontology rather than, in itself, a theory in sociology; it precedes any eventual sociological discussion. The second discusses the differences between functioning, deteriorated, empty and abandoned buildings (Sect. 2.2). The idea is to suggest a general theory of abandonment as a social fact, according to which abandonment is a potential state of any urban asset.
Abandonment as a Social FactHere, we define as "abandoned" a building whose owner does not fulfil his/her responsibilities ensuing from ownership. 1 According to this view, abandonment is considered a social fact. To clarify what is meant here by "social fact", it is useful to distinguish between "brute facts" and "social facts". 1. A "brute fact" is a fact that exists independently from human acceptance, agreements or institutions (Searle 2010). 2 For example, building A is X away from building B.