Cora Diamond

Hilary Putnam has argued against philosophical theories which tie the content of truth-claims closely to the available methods of investigation and verification. Such theories, he argues, threaten our idea of human communication, which we take to be possible between people of different cultures and across periods of time during which methods of investigation change dramatically. Putnam rejects any reading of Wittgenstein which takes him to make a close tie between meaning and method of verification. What strands in Wittgenstein's thought appear to lend support to such a reading? Can we do justice to the role which method of verification does have for Wittgenstein while retaining our hold on the idea that communication between people is possible despite substantial differences in methods of verification and investigation? Thus it is as if the proof did not determine the sense of the proposition proved; and yet as if it did determine it. But isn't it like that with any verification of any proposition?

In her Introduction to Wittgenstein’s Tractatus, Elizabeth Anscombe took it to be a fault of the Tractatus that it excluded the statement “‘Someone’ is not the name of someone”, which she took to be obviously true. It is not a bipolar proposition, and its negation, she said, peters out into nothingness. I examine the question whether she is right that the Tractatus excludes such propositions, and I consider her example in relation to other propositions which, arguably at least, have no intelligible negation. In considering the particular case of Frege’s response to Benno Kerry about the concept ‘horse’, I try to develop an account of the place in Wittgenstein’s philosophy for certain sorts of proposition which do not have an intelligible negation.

My essay is concerned with two kinds of case of asymmetries in thinking about thought. If one says that there is nothing else to think but that so and so, one may mean either that there are no considerations which could make it reasonable to think the opposite, or that to think anything else is to be in a muddle, not really to be thinking anything. A case of the latter sort is important in Elizabeth Anscombe’s criticism of Wittgenstein’s Tractatus, while a case of the former sort is important for David Wiggins’s thought about truth in ethics. After setting out the issues, I examine Anscombe’s view and situate it in relation to ideas of Frege’s and Wittgenstein’s. I then turn to ethics and consider the relation between Anscombe’s view and that of Wiggins.

I look at a disagreement between Elizabeth Anscombe, on the one hand, and Peter Winch and Ilham Dilman, on the other, about whether it is legitimate to call something an error that counts as knowledge within some alien system of belief; and I look also at the question what Wittgenstein's view was. I try to show that our understanding of what is real cannot be adequately elucidated if we consider only its role within language-games, and I argue that an important element in our thinking about what is and is not real emerges in our response to conflicting modes of thought.

One of Iris Murdoch's most characteristic philosophical ideas is that any way of understanding what moral philosophy is and how it may be practised will be shaped by deep-going conceptual attitudes, of which moral philosophers themselves may be unaware. In her own philosophical writings, she tried to bring out the role played by these attitudes, and to unsettle accepted ideas about the subject. I examine some of the elements in her thought which open up different ways of understanding the subject, and I discuss the relevance of these ideas to contemporary moral philosophy.