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Resolution of the Miller-Popper paradox
A longstanding paradox was first reported by David Miller in 1975 and highlighted by Karl Popper in 1979. Miller showed that the ranking of...
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Why Probability isn’t Magic
“What data will show the truth?” is a fundamental question emerging early in any empirical investigation. From a statistical perspective,...
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Popper’s Correspondence with Kalman Joseph Cohen
Kalman Joseph Cohen (1931–2010) was an American economist. Before his Ph.D. in economics at the Carnegie Institute of Technology (cf. Reed Magazine,...
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Proof-Theoretic Semantics: An Autobiographical Survey
In this autobiographical sketch, which is followed by a bibliography of my writings, I try to relate my intellectual development to problems, ideas...
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Potentiality realism: a realistic and indeterministic physics based on propensities
We propose an interpretation of physics named potentiality realism . This view, which can be applied to classical as well as to quantum physics,...
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Truthlikeness and the Number of Planets
Examples of hypotheses about the number of planets are frequently used to introduce the topic of (actual) truthlikeness but never analyzed in detail....
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Tacking by conjunction, genuine confirmation and convergence to certainty
Tacking by conjunction is a well-known problem for Bayesian confirmation theory. In the first section, disadvantages of existing Bayesian solution...
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The Question of Method
An essential aspect of the contrast between mainstream philosophy of mathematics and heuristic philosophy of mathematics concerns the method of...
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Combining Intuitionistic and Classical Propositional Logic: Gentzenization and Craig Interpolation
This paper studies a combined system of intuitionistic and classical propositional logic from proof-theoretic viewpoints. Based on the semantic...
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Popper’s Theory of Deductive Logic
We present Popper’s theory of deductive logic as exhibited in his articles published between 1947 and 1949. After an introduction to Popper’s...
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John Dewey: Lernen und Demokratie
Karl Popper hat kurz vor seinem Tod eine Sammlung von Essays veröffentlicht, die überschrieben ist mit dem Satz: Alles Leben ist Problemlösen. Das...
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Tidying the Rational* Home
Rationality, once this chapter has laid it out into at least 21 complete and substantial senses, now appears overburdened, cumbersome, even messy,...
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Collective Intentionality and Methodological Individualism
Collective intentionality (CI) designates a form of intentionality that cannot be understood in a summative way. For example, two persons who make a...
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Determinacy and Functional Relations
This chapter disambiguates several concepts central to the thesis of the book and provides the staging necessary for an understanding of the...
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Approaching probabilistic truths: introduction to the Topical Collection
After Karl Popper’s original work, several approaches were developed to provide a sound explication of the notion of verisimilitude. With few...
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The criticism of medicine at the end of its “golden age”
Medicine is increasingly subject to various forms of criticism. This paper focuses on dominant forms of criticism and offers a better account of...
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Self-fulfilling Prophecy in Practical and Automated Prediction
A self-fulfilling prophecy is, roughly, a prediction that brings about its own truth. Although true predictions are hard to fault, self-fulfilling...
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From the Method of Division to the Theory of Transformations: Thompson After Aristotle, and Aristotle After Thompson
Aristotle’s influence on D’Arcy Thompson was praised by Thompson himself and has been recognized by others in various respects, including the...
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Causal Probability
In this Chapter, a notion of causal probability is developed that fits with phenomenological science as well as with variational induction. In the...
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Some Remarks on Popper’s Qualitative Criterion of Verisimilitude
The paper sets up a general framework for defining the notion of verisimilitude. Popper’s own account of verisimilitude is then located within this...
