Doctrines are categorical structures very apt to study logics of different nature within a unified environment: the 2-category Dtn doctrines. Modal interior operators characterised as particular adjoints in Dtn. We show that they can be constructed from comonads well adjunctions it, and two constructions compare. Finally we amount information lost passage comonad, or an adjunction, modal operat...

In the context of quantaloid-enriched categories, we explain how each saturated class of weights defines, and is defined by, an essentially unique full sub-KZ-doctrine of the free cocompletion KZ-doctrine. The KZ-doctrines which arise as full sub-KZ-doctrines of the free cocompletion, are characterised by two simple “fully faithfulness” conditions. Conical weights form a saturated class, and th...

This paper takes it as a premise that a distinction between matters of fact and of law is important in the causal inquiry. But it argues that separating factual and legal causation as different elements of liability is not the best way to implement the fact/law distinction. It is partly a legal question what counts as a cause-in-fact; and certain liabilitylimiting doctrines under the umbrella o...

OBJECTIVE In the context of the global obesity epidemic, national nutrition policies have come under scrutiny. The present paper examines whose interests - industry or public health - are served by these policies and why. DESIGN Using an exemplary case study of submissions to an inquiry into obesity, the research compared the positions of industry and public health groups with that taken by g...

Pluralism is often put forth as a counter-position to reductionism. In this essay, I argue that reductionism and pluralism are in fact consistent. I propose that there are several potential goals for reductions and that the proper form of a reduction should be considered in tandem with the goal that it aims to achieve. This insight provides a basis for clarifying what version(s) of reductionism...

Traditional masculinity has been historically described by a set of attributes, behaviors and roles generally associated with boys and men, focused on physical strength and resourcefulness (Rosenberg 2008). However, this traditional view of masculinity began to change in the mid-1990’s with the introduction of the metrosexual (Simpson 1994), heterosexual men with traits and interests in fashion...