Confirmation and falsification are different strategies for testing theories and characterizing the outcomes of those tests. Roughly speaking, confirmation is the act of using evidence or reason to verify or certify that a statement is true, definite, or approximately true, whereas falsification is the act of classifying a statement as false in the light of observation reports. After expounding the intellectual history behind confirmation and falsificationism, reaching back to Plato and Aristotle, I survey some of the main controversial issues and (...) arguments that pertain to the choice between these strategies: the Raven Paradox, the Duhem/Quine problem and the Grue Paradox. Finally, I outline an evolutionary criticism of inductive Bayesian approaches based on my assumption of doxastic involuntarism. (shrink)

It’s often claimed that some people—fundamentalists or fanatics—are indeed sealed off from rational criticism. And every month new pop psychology books appear, describing the dumb ways ordinary people make decisions, as revealed by psychological experiments. The conclusion is that all or most people are fundamentally irrational. -/- Ray Scott Percival sets out to demolish the whole notion of the closed mind and of human irrationality. There is a difference between making mistakes and being irrational. Though humans are prone to mistakes, (...) they remain rational. In fact, making mistakes is a sign of rationality: a totally non-rational entity could not make a mistake. -/- Rationality does not mean absence of error; it means the possibility of correcting error in the light of criticism. In this sense, all human beliefs are rational: they are all vulnerable to being abandoned when shown to be faulty. -/- Percival agrees that people cling stubbornly to their beliefs, but he maintains, first, that not being too ready to abandon one’s beliefs is rational, and second, that people do not cling to their beliefs indefinitely or “come what may.” The illusion that they do can be dispelled by examining what really goes on in the formation and abandonment of beliefs, and here we need to observe the high rate of turnover in membership of ideological movements, as well as their numerous splits and schisms. -/- Percival examines and refutes the arguments of writers who have upheld the Irrationality or Closed Mind thesis, including Raymond Boudon, Serge Chakotin, Richard Dawkins, Jon Elster, Ernest Gellner, Adolf Hitler, Leszek Kolakowski, Walter Laqueur, Gustav Le Bon, Karl Popper, and Max Weber. -/- A key aspect of Percival’s approach is to identify “the persuader’s predicament,” the situational logic of the propagandist. Percival contends that a propagandist is faced with a trade-off between his message being closed to criticism and the message reaching and converting as many people as possible. It is possible to make a belief system more closed to criticism, but only by limiting the wide dissemination of the system. Percival illustrates the way belief systems adapt to criticism by an examination of two ideologies, Marxism and Freudianism, and by various examples drawn from the history of religion. (shrink)

I argue that Carl Jung's theory of archetypes is incompatible with the darwinian theory of evolution.

Rene Descartes (1596 – 1650) is considered the founder of modern philosophy. Profoundly influenced by the new physics and astronomy of Kepler and Galileo, Descartes was a scientist and mathematician whose most long-lasting contributions in science were the invention of Cartesian coordinates, the application of algebra to geometry, and the discovery of the law of refraction, what we now call Snell’s law.His most important books on philosophy were The discourse on method(1637) and The meditations(1642). Descartes’ writings display an exemplary degree (...) of clarity and an aversion to pedantry. I explore Descartes' break with Aristotle, but also shine a light on the intellectual continuity Descartes had with Aristotle's thought. I also draw attention to some overlooked but interesting possibilities for an experimental test of a dualistic theory of mind. (shrink)

The traditional conception of knowledge is justified, true belief. If one looks at a modern textbook on epistemology, the great bulk of questions with which it deals are to do with personal knowledge, as embodied in beliefs and the proper experiences that someone ought to have had in order to have the right (or justification) to know. I intend to argue that due to the explosive growth of knowledge whose domain is “outside the head”, this conception has outlived its relevance. (...) -/- On the other hand, Karl Popper’s (1934) Falsificationism, with its emphasis on the objective character of knowledge, is not only a sounder, but also a more appropriate theory of knowledge for understanding the nature and growth of civilization. Later, Popper (1945) generalized this approach to obtain critical rationalism, in which all claims to knowledge, whether scientific or otherwise, are understood as objective solutions to objective problems and can be evaluated by other non-observational - types of criticism. I will first argue that Popper’s methodology is quite suited to the view that knowledge is an objective autonomous product and then adduce his theory of world 3, an ontology that neatly wraps up various considerations. World 3 is the domain of abstract products of the human mind that now have a life of their own, outside of human heads: theories, arguments, problems, plans, etc. I then adduce some other arguments for the autonomous quality of knowledge. (shrink)

A brief intellectual biography of Sir Karl Popper.

In the film classic Blade Runner, the story explores the notion of personal identity through that of carefully crafted androids. Can an android have a personality; can androids be persons? The title of the original story by Philip K. Dick is Do Androids Dream of Electric Sheep? The story suggests that our sense of being a person depends on our having memories that connect us with our childhood. In the movie, the androids are only a couple of years old, but (...) have adult bodies. To complete them as persons they are given simulated memories of childhood. Some psychiatrists have decided that even humans dream only of electric sheep. I explore how Popper’s world 3 can help to defend a notion of personhood that can be used to criticize the thesis that persons are simply complex physical processes and that all their serious life-problems can be conceptualised as a form of physical illness. (shrink)

It is facile and factually incorrect to represent suicide terrorists as simply seeking mass destruction, as demented or believing that they will be rewarded by "seventy-two virgins in paradise". In my book The Myth of the Closed Mind: Understanding How and Why People are Rational I felt it was important to deal with the issue of terrorism by consulting explanatory theories of human behaviour and the substantial research on the strategic pattern of terrorist incidents over the decades, led principally by (...) Professor Robert Pape of Chicago University. -/- To defeat your enemy, you must first understand him. Strangely, we must first grant that, though morally depraved, terrorists are rational: they concoct and execute detailed plans with definite strategic goals in mind. Only once we have granted the terrorist a rational mind can we, in the end, create peace. My argument is that while religion may have a small role in terrorism, it is principally politics, or the logic of territorial control, that is the key to understanding the threat we face. -/- This extract from my book is principally about Al Qaeda, but a similar analysis applies to ISIS, the current greatest threat to our peace in the west. -/- The strategic goal of Al Qaeda was simply to repulse what they saw as foreign intervention. ISIS has the same goal, but in order to continue its growth as a state in the sense of a monopoly of coercion over a given geographical area. -/- ISIS, a rogue state that arose in ungoverned space created unintentionally by foreign intervention in Iraq, is now lashing out at foreign governments that have severely shrunk the territory ISIS occupies. Before October 2015, ISIS confined its terrorism to the goal of extending its territory in Iraq and Syria, and there were no significant ISIS-led or inspired suicide terrorist attacks outside Iraq and Syria. But now, as their territory collapses, they are attacking the countries that have strangled their control of territory in Iraq and Syria: the coalition of western governments – Britain, Belgium, Canada, France, Morocco, Turkey, Russia, the U.S.A. and others – exactly the countries that have recently seen an explosion of suicide terrorism. (shrink)

A brief survey of British philosophy of education.

Philosophy and economics of Malthusianism. An optimistic view of human population growth and a critique of The Club of Rome and Paul R. Ehrlich, author of The Population Bomb. I apply Julian Simon's perspective to the malthusian debate, inspired by his book The Ultimate Resource. When a child is born he brings into existence not just an extra mouth to feed, but two hands and - more importantly in the long run - an extra brain with which to solve any (...) problems that an increase in population brings. In the long run, and given enough freedom, there in a propensity for humans to produce more than they consume. We are not just like flies in a bottle with a limited amount of resources, but creative creatures that can in principle engage in continual, never ending economic growth. -/- More Info: Multiple publishers: National Review; Clashing Views on Controversial Social Issues; Libertarian Alliance, UK. (shrink)

No evangelistic erroneous network of ideas can guarantee the satisfaction of these two demands : (1) propagate the network without revision and (2) completely insulate itself against losses in credibility and adherents through criticism. If a network of ideas is false, or inconsistent or fails to solve its intended problem, or unfeasible, or is too costly in terms of necessarily forsaken goals, its acceptability may be undermined given only true assumptions and valid arguments. People prefer to adopt ideologies that (i) (...) are logically consistent, (ii) are more truth-like and of higher information content than their rivals, (iii) are systematically organised, (iv) solve their problems better than their rivals, (v) do not contain unfeasible demands, and (vi) do not contain uneconomic demands. Truth and validity therefore act as Darwinian-like filters on ideologies. Using Popper's notion of situational analysis and with reference to Darwinian evolution, considered as a special case of the former, and Bartley's theory of comprehensively critical rationalism I argue that a propagandist cannot guarantee his message or his movement from sound criticism. All positions are in a methodological sense open to argument. Moreover, the logic of a propagandist's situation constrains him into making his message and himself open to criticism in order to maximize its chances of being propagated through the population. But he then loses control of the message in two respects. Firstly, his audience are disposed to select from the competing ideas they encounter those that satisfy (i) to (vi) because of man's evolutionary history. Secondly, he cannot guarantee protection from criticism even a privileged section of his message because he cannot predict in a systematic way what logical repercussions each protective reformulation of the ideology will have on other sections of the ideology and what criticism the ideology will encounter. He cannot do the latter because of certain logical properties of theories that endow them with unfathomable depths. Marxism and Freudianism serve as case studies, especially for the analysis of Popper's notion of the immunizing stratagem, a methodological/logical device that is supposed to save theories from criticism. "Immunizing stratagems" either abandon the ideology they are meant to protect or seriously lower its chances of being reproduced. (shrink)

Henri Bergson is perhaps most remembered for his bold challenge to Einstein's theory of the relativity of simultaneity. Bergson maintained that Einstein's theory did not cope with our intuition of time, which is an intuition of duration. Einstein retorted that there may be psychological time, but there is no special philosopher's time. For Einstein, time forms the fourth dimension of a so-called Parmenidean "block universe". I argue that we must be on our guard not to read into the work of (...) even greatest intellectual predecessors ideas and levels of sophistication that we take for granted in modern theories. For example, it would be silly to suggest that Democritus's atomic theory - though important in the development of the testable modern atomic theory - has anything new to say about modern quantum theory. (shrink)

ROGER SCRUTON’s An Intelligent Person’s Guide to Philosophy takes a personal and provocative look at the subject—those abstract, but nevertheless practical, problems that concern anyone who has reflected on his or her life. Of special delight is his discussion of sex and music. I make some brief critical comments on this based on new economic approaches.

THE MIND-BODY PROBLEM: A GUIDE TO THE CURRENT DEBATE (EDITED BY RICHARD WARNER AND TA D E U S Z SZUBKA) contains recent essays by the key players in the the field of the Mind-Body problem: Searle, Fodor, Problem Honderich, Nagel, McGinn, Stich, Rorty and others. But there are a few interesting exceptions, for example Edelman, Popper, Putnam and Dennett. Nevertheless, these thinkers do get a mention here and there, and nearly all the exciting topical issues are dealt with, including (...) externalism, functionalism, intentionality, Turing computational models, and the relationship between these philosophical problems and psychology. I am particularly struck by the tendency to engage in an evasive stratagem when it comes to stating the physicalist thesis. Instead of a clear definitive position about what kind of physical science would achieve the hoped-for reduction, what I found was variations on Lewis's claim that the reduction would be effected by a "unified body of scientific theories of the sort we now accept". Materialism used to be a clear doctrine: a clockwork Universe of impenetrable particles. But materialism transcended itself. First through Hobbes' and Leibniz's criticisms of Descartes, then Newton's demolition of the Cartesian idea that matter was essentially extension by introducing gravity (action at a distance) and then through the field theories of Faraday and Maxwell, and more recently through Einstein's work, which undermined the "substance" view of matter, something that remained permanent while other changes occurred. I contrast the perspectives of the Churchlands with those of Donald T. Campbell, Karl Popper and other evolutionary and emergentist views. -/- . (shrink)

Michel Haar supports the natural, but he fails to see that the drives behind technology— people's curiosity, exploration and desire to control—could not be more natural. They are, after all, part of our evolutionary heritage. As Konrad Lorenz, the famous ethologist, shows in Behind the Mirror. In his discussion of alienation, Haar also overlooks the work of Friedrich Hayek, the Nobel prizewinning economist, who explores the emergence of the extended society of worldwide markets in his book Fatal Conceit. Hayek predicts (...) that there will always be a tension between our instinctive need for the closeness and familiarity of the tribal-like grouping and the extended market. I contrast Haar also with the perspective of William Warren Bartley III in his book Unfathomed Knowledge, Unmeasured Wealth, in which a Bartley expounds a logical/epistemological argument to the effect that alienation of our products is insuperable. (shrink)

The myth of the framework, as Popper explains it, is the idea that a rational and fruitful discussion is impossible unless the participants share a common framework of basic assumptions or, at least, unless they have agreed on such a framework for the purposes of the discussion. Popper admits that understanding another mind or language max' be difficult, but if there is a desire to understand another person's aims and problems you can bridge the gap.

Mary Midgley's book Utopias, Dolphins and Computers will be needed to recharge our more philosophical approach to life as new problems present themselves to humanity at an accelerated rate. The most dangerous attitude to these challenges, Midgley argues, is an anti-intellectualism that fails to see that all approaches presuppose tacit or hidden assumptions, that is a philosophy. One part of our tacit philosophy that is now breaking up is the social contract, according to Mary Midgley in Utopias, Dolphins and Computers (...) It needs tempering with a vision of people in relationships bordering on the organic—ideas with their roots in ecology—rather than as fundamentally isolated atoms in contractual union. (shrink)

David Ray Griffin does not fully come to terms with the fact that science has already abandoned the narrow materialist view of bits of matter pushing each other around. Even as early as Newton's law of gravitation, and most obviously with quantum physics, science has embraced the view that the world consists of relationships (often described as laws) between different types of processes and states.

This collection of essays by acclaimed philosophers explores Bertrand Russell's influence on one of the dominant philosophical approaches of this century. Michael Dummett argues that analytical philosophy began with Gottlob Frege's analysis of numbers. Frege had begun by inquiring about the nature of number, but found it more fruitful to ask instead about the meanings of sentences containing number words. Russell was to exploit this method systematically. I reflect on the essays of Charles R. Pigden, David Lewis as an exponent (...) of a variant of Russell's position: the good is what we are ideally disposed to desire to desire, and Greenspan's suggestion that Russell adopted some element of the Marxist theory on morals. (shrink)

ONE of the most celebrated mathematical physicists, Pierre-Simon Laplace is often remembered as the mathematician who showed that despite appearances, the Solar System does conform to Newton’s theories. Together with distinguished scholars Robert Fox and Ivor Grattan-Guinness, Charles Gillispie gives us a new perspective, showing that Laplace did not merely vindicate Newton’s system, but had a uniquely creative and independent mind.

A review of Steven Fuller's excellent book. Steve Fuller, professor of sociology at the University of Warwick, argues that, unfortunately for science, Kuhn won this debate. In the wake of Kuhn, science has come to be justified more by its paradigmatic pedigree than by its progressive aspirations. In other words, science is judged by whatever has come to be the dominant scientific community.

How do you put both physicists and biologists on their guard? Answer: propound a philosophical theory that ignores Darwin's demolition of essentialism in species and brands any physicist who denies your theory of natural kinds as an anti-realist. A traditional division in philosophy is between metaphysics (what sorts of things exist) and epistemology (what and how we know). Some think that the core of realism is the metaphysical assumption that there is a world independent of our minds. But this core (...) assumption is sometimes clothed in other assumptions, such as theories of truth, truth-likeness, meaning and knowledge. Scornful of what they see as an unnecessary retreat from a fully clothed realism to the naked postulate of a mind-independent reality, Harre, Aronson and Way present a realism that also embraces truth and truth-likeness, as well as their own conception of scientific method and the structure of the world. I argue that this approach, while intriguing and worth reading, leads to some insuperable difficulties. (shrink)

JOHN SEARLE is clear, challenging and profound, and his book The Mystery of Consciousness reflects its author. It offers an engaging debate between Searle and David Chalmers, Daniel Dennett, Roger Penrose and Israel Rosenfield. Searle also touches on the work of Gerald Edelman and Francis Crick. Yet Searle does not always hit the target. For example, he confuses giving an explanation with giving an ultimate explanation in criticising Edelman's reentry mapping.

Review of Confessions of a Philosopher by Bryan Magee. Magee's heroes are those philosophers who did not lose their childhood wonder, but instead, cultivated it and tried to answer the big questions. His list includes Hume, Kant and Schopenhauer, and, this century, Heidegger, Popper, Russell and Wittgenstein. The villains are the philosophers who have tried to reduce philosophy to the linguistic analysis of questions without trying to answer them: Austin, Ryle and Strawson. Magee had the good fortune to have known (...) two of this century's greatest philosophers, Popper and Russell. (shrink)

A review of a book on Popper's encounter with Wittgenstein.

MICHAEL Ruse aims to describe what scientists actually do in their research and how they arrive at their theories — a mixed bag of false starts, fallacious reasoning, the cultivation of followers, the marketing of ideas and so on. His approach, evolutionary naturalism, rejects the traditional distinction between the normative and the descriptive analysis of science. For him the path of discovery to, say, Darwin's theory of natural selection makes a difference to the theory itself, whereas for the normative analyst (...) it is just history. Normative analysts (who probably include most readers of Nature) would say that the logical structure of the theory, its truth or falsity and its relevance to the objective problem can all be assessed independently of the route of discovery. I defend the normative analysis of scientific method against philosophical naturalism. I defend the role of objective standards and logical rules of argumentation. (shrink)

Review of: Isaiah Berlin’s The Sense of Reality: Studies in Ideas and their History.

The authors of this collection fail to make clear the distinction between naturalistic and purely logical/methodological approaches to the philosophy of science. I also criticise Thomas Nickles's attempt to devise an explanatory method for discovery in science using programs that produce trial and error explorations of a domain, which he thinks replaces the need for a conjecture a refutation approach (cf. Popper and Campbell). Such programs embody undeclared conjectures in the way they are set up.

There is nothing more important in the evolution of culture than the evolution of its abstract thought, and philosophical thought dominates all other thought in the long run. It is often the musings of some recluse abstract scribbler that open opportunities for a society or erect its mental prisons. This is why the history of philosophy is important. To understand a culture is to understand the abstract products of its thought and how that culture interpreted them. But this should not (...) be confused with philosophy itself, which is the attempt to solve some abstract problem. (shrink)