Foto von Maryia Ramanava
Robert Michels

I received a B.A. in paedagogics and art history from the University of Karlsruhe (TH) and a M.A. in philosophy from the University of Constance. In December 2013, I received my PhD ("doctorat ès lettres") from the University of Geneva, where I am currently employed as a postdoc within the SNSF-funded research project "Indeterminacy and Formal Concepts". For more details, please see my academic cv.

If you want to contact me: mail (a) robert-michels.de.

Written work

Motto:

Während ich einen kurzen Text, den ich einige Tage zuvor geschrieben hatte, dessen ich mir aber nicht wirklich sicher war, zu korrigieren oder noch zu ergänzen versuchte, fiel mir ein längeres Haar vom Kopf auf das Papier. Es lag da, nur wenig gekrümmt, schräg von links unten nach rechts oben über das Blatt hin.

Erich Fried

Dissertation: "Metaphysical Modality and Essentiality" (University of Geneva, defended in December 2013)

Essentialists claim that we can distinguish between an object's essential and its accidental properties. According to them, an object's essential properties are those without which it cannot be what it is. The number two is for example essentially such that it is even, but only accidentally such that it is my favourite number.
Following important developments in modal logic during the 1960s and 70s, the orthodox view was that the essential properties of an object are its necessary properties. In his influential 1994 paper "Essence and Modality", Kit Fine argues that the orthodox view is wrong. His two main claims are that first, essentiality cannot be defined in terms of necessity and second, that necessity should instead be defined in terms of essentiality. In my dissertation, I aim to undermine both of his claims in order to defend a variation of the orthodox view. To do this, I first develop Fine's proposal for an essentialist definition of necessity into a more general essentialist theory. I then raise a series of problems for the resulting theory, one being that it provides no adequate treatment of iterated modalities. Finally, I introduce and defend a novel definition of essentiality in terms of metaphysical necessity and a notion of metaphysical dependence.

Published paper: "Soames's Argument 1 against Strong Two-Dimensionalism" (Philosophical Studies 161 (3):403-420 (2012))

Two-dimensional semantics is a semantic theory which promisses a unified treatment of the important philosophical notions of a priority and metaphysical modality by associating the expressions of a language with two different kinds of meanings. In this paper, I defend a variant of this theory, strong two-dimensionalism, against a central argument from Scott Soames's 2005 book "Reference and Description: The Case Against Two-Dimensionalism". Soames argues that strong two-dimensionalism fails to deliver the intuitively correct truth-values for certain complex sentences involving the modal notion of necessity, a belief report and a claim that the reported belief is true. In response, I first develop a formal semantics for strong two-dimensionalism which allows for two distinct semantic clauses for claims about the truth of reported beliefs. I then show that Soames's claim is correct if the semantics includes one of the two clauses, but false if it includes the other. This means that defenders of strong two-dimensionalism have a way of resisting Soames's argument. Finally, I suggest some replies to an important objection against the version of strong two-dimensionalism which is immune to Soames's argument.

Published version (erratum to the published version); final draft version (the draft version has more conveniently placed tables, doesn't require a subscription, and incorporates the two corrections listed in the erratum.)

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