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This paper takes up the challenge which Carnap poses in his Aufbau: to make of it a basis for continued epistemological research. I try to close some gaps in Carnap’s original presentation and to make at least the first few steps of his constructional outline more accessible to the modern reader. Particularly emphasized is Carnap’s implicit recognition that, to be effective, “structural” models of epistemology (using logical symbols) must be complemented with “procedural” models (his “fictitious operations”). The paper shows how a procedural model, a computer program,can “bypass” Nelson Goodman’s counter example to Carnap’s logical construction of “similarity circles”.

Anomalous Monism is a type of property dualism in the philosophy of mind. Property dualism combines the thesis that mental phenomena are strictly irreducible to physical phenomena with the denial that mind and body are discrete substances. For the anomalous monist, the plausibility of property dualism derives from the fact that although mental states, events and processes have genuine causal powers, the causal relationships that they enter into with physical entities cannot be explained by appeal to fundamental laws of nature. This doctrine about the relationship between mind and body was first explicitly defended by Donald Davidson in his paper “Mental Events,” though its root in the Western philosophical tradition go back at least as far as Spinoza. It was a topic of energetic debate and disagreement among English-speaking philosophers for the last thirty years of the twentieth century.

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Rudolf Carnap’s Der logische Aufbau der Welt ( The Logical Structure of the World ) is generally conceived of as being the failed manifesto of logical positivism. In this paper we will consider the following question: How much of the Aufbau can actually be saved? We will argue that there is an adaptation of the old system which satisfies many of the demands of the original programme. In order to defend this thesis, we have to show how a new ‘ Aufbau -like’ programme may solve or circumvent the problems that affected the original Aufbau project. In particular, we are going to focus on how a new system may address the well-known difficulties in Carnap’s Aufbau concerning abstraction, dimensionality, and theoretical terms.

This paper concerns the recent debate on the nature and motivations of the epistemological project advanced in Rudolf Carnap's (18911970) Aufbau. Much of this debate has been initiated by Michael Friedman and Alan Richardson who argue (against the received view of the Aufbau as a foundationalist defense of empiricism) that Carnap's epistemological project is located in the tradition of neo-Kantian epistemology. On this revisionist reading of the Aufbau, Carnap's project is not motivated to address traditional empiricist problems regarding the justification of knowledge, but rather to show how objective knowledge is possible. A central aspect of the Aufbau that is neglected in the revisionists' analysis is the role of epistemic justification in Carnap's project. The aim of the present study is to argue that although the general epistemology in the Aufbau can be cast as neo-Kantian, Carnap's method of construction theory (or rational reconstruction) is formulated precisely as an empiricist method for the justification of conceptual knowledge. Construction theory radically redefines `empirical justification' into a formal-conventional notion, and is part of Carnap's more general agenda of redefining epistemology as a purely formal discipline.

I argue that, on plausible assumptions, anomalous entails monism epiphenomenalism of the mental. The plausible assumptions are (1) events are particulars; (2) causal relations are extensional; (3) mental properties are epiphrastic. A principle defender of anomalous monism, Donald Davidson, acknowledges that anomalous monism is committed to (1) and (2). I argue that it is committed to (3) as well. Given (1), (2), and (3), epiphenomenalism of the mental falls out immediately. Three attempts to salvage anomalous monism from epiphenomenalism of the mental are examined and rejected. I conclude with reflections on the status of non-reductive physicalism.

Despite the fact that Davidson's theory of the causal relata is crucial to his response to the problem of mental causation - that of anomalous monism - it is commonly overlooked within discussions of his position. Anomalous monism is accused of entailing property epiphenomenalism, but given Davidson's understanding of the causal relata, such accusations are wholly misguided. There are, I suggest, two different forms of property epiphenomenalism. The first understands the term 'property' in an ontological sense, the second in a linguistic sense. Anomalous monism cannot plausibly be accused of either. The first cannot legitimately be applied to anomalous monism as it is incompatible with Davidson's ontology. And accusations of predicate epiphenomenalism, although consistent with Davidson's ontology, are ungrounded regarding Davidson's anomalous monism. Philosophers of mind have mislocated the problem with Davidson's anomalous monism, which in fact lies with the implausible theory of the causal relata upon which it rests.

This is an overview of Davidson's theory of anomalous monism. Objections and replies are also detailed.

The two most popular approaches to Carnap's 1928 Aufbau are the empiricist reading of Quine and the neo-Kantian readings of Michael Friedman and Alan Richardson. This paper presents a third "reserved" interpretation that emphasizes Carnap's opposition to traditional philosophy and consequent naturalism. The main consideration presented in favor of the reserved reading is Carnap's work on a physical construction system. I argue that Carnap's construction theory was an empirical scientific discipline and that the basic relations of its construction systems need not be eliminated.