Stephen Toulmin

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Biography

(Survey of World Philosophers)

Article abstract: A philosopher of remarkable breadth and interests, Toulmin believed that the idea of rationality has been too closely tied to issues of formal logic and therefore analyzed rationality afresh in numerous fields of theory and practice.

Early Life

Professionally, Stephen Edelston Toulmin began in physics at Cambridge University, working on radar from 1942 to 1945. He read philosophy in the last years of philosopher Ludwig Wittgenstein’s tenure at Cambridge. For his doctoral degree, Toulmin wrote a dissertation that became a book, An Examination of the Place of Reason in Ethics. Although Wittgenstein was not Toulmin’s dissertation adviser, he was Toulmin’s intellectual mentor.

When Toulmin and Wittgenstein were interacting intellectually, Wittgenstein was in his famous “later period,” in which he treated meaning and language as dependent on contextual factors rather than on objective pictorial representations, as he had in his early work “Logisch-philosophische Abhandlung” (1921; best known in its bilingual German and English edition, Tractatus Logico-Philosophicus, 1922, 1961). Wittgenstein was examining the relationship between forms of life and language games of distinctive communities and the enculturation of a particular mode of life within a language. However, Wittgenstein also held that ethics lay beyond the treatment of any “linguistic” or rational analysis or interpretation.

Toulmin both followed and diverged from Wittgenstein’s position. Toulmin’s doctoral dissertation advanced a Wittgensteinian analysis of ethical argumentation, arguing that “good” and “bad” reasoning (if not actually formal induction and deduction) are embedded in ethics as much as in science or law or any other realm of human activity.

Toulmin then moved to Oxford University as university lecturer in the philosophy of science, and he wrote in that field until 1960. Toulmin used the skeptical pragmaticism of Wittgenstein’s later philosophy to challenge the reliance on formal logic so prevalent in the philosophy of science practiced in Vienna and in the United States. Toulmin generalized this challenge in The Uses of Argument, in which he emphasized the “field dependence” of reasoning and the need to view arguments of all kinds—whether in science, ethics, law, politics, or medicine—as arising out of the varied practical activities of these different enterprises.

Life’s Work

While at Oxford, Toulmin published a much-admired, much-anthologized article entitled “Do Submicroscopic Entities Exist?” in the journal Philosophy of Science. A scientific realist holds that unobservable entities, such as electrons, exist in the way the chemical or physical theory claims they exist. Toulmin, taking an antirealist position, began by analyzing several different senses of the word “exist” and argued that while some submicroscopic entity may exist, it does not need to exist in the way the theory says it exists.

To prove his point, he...

(The entire section is 2,660 words.)