Humeans and non-Humeans commonly and reasonably agree that there may be necessary connections (“necessities”, for short) between entities that are identical—e.g., Hesperus and Phosphorus, water and H2O—or merely partly distinct—e.g., sets and their individual members, fusions and their individual parts, instances of determinates and determinables, members of certain natural kinds and certain of...

Sir, Clinical photography enhances medical records and is essential for the daily practice of surgeons. Important uses of photographs include patient counselling, audit, publications, education, medico-legal work and for planning treatment without repeatedly redressing the wound. The value of such photographs are realised when they are needed, no doubt we have all been painfully aware of this w...

In this paper, we introduce argumentation frameworks with necessities (AFNs), an extension of Dung’s argumentation frameworks (AFs) taking into account a necessity relation as a kind of support relation between arguments (an argument is necessary for another). We redefine the acceptability semantics for these extended frameworks and we show how the necessity relation allows a direct and easy co...

1.1 Conceivability and PossibilityDavid Chalmers’ challenge to physicalism has dominated the philosophy of mind for the last seventeen years. His 1995paper ‘Facing up to the Problem of Consciousness’ and his 1996 book The Conscious Mind reinvigorated the debate between physicalists and dualists. But Chalmers’ mature attack on physicalism appeared over a decade later in his extensive 2009 paper ...

This article challenges the Kripkean interpretation of a posteriori necessities. It will be demonstrated, by an analysis of classic examples, that the modal content of supposed a posteriori necessities is more complicated than the Kripkean line suggests. We will see that further research is needed concerning the a priori principles underlying all a posteriori necessities. In the course of this ...