Reply to Schafer: defending the facts.

Environmental gamma radiation: a comment (Letter to the Editor)

Editor, I read the recent publication by Toossi et al. with a great interest (1). Toossi et al. concluded that “Average gonad and bone marrow doses for North Khorasan, Boshehr and Hormozgan provinces were less than the corresponding values for normal area (2).” There are some facts on this report to be concerned. I agree that the detected levels might be high in the mentioned area, but th...

A Problem in Avicennas View on the Origination of the Soul and a Reply to It

Color Comparisons and Interpersonal Variation

An important challenge to color objectivists, who hold that statements concerning color are made true or false by objective (non-subject-involving) facts, is the argument from interpersonal variation in where normal observers locate the unique hues. Recently, an attractive objectivist response to the argument has been proposed that draws on the semantics of gradable adjectives and which does no...

Defending Time-Symmetrised Quantum Counterfactuals

Recently, several authors have criticised the time-symmetrised quantum theory originated by the work of Aharonov, Bergmann and Lebowitz (1964). The core of this criticism was a proof, appearing in various forms, which showed that the counterfactual interpretation of time-symmetrised quantum theory cannot be reconciled with standard quantum theory. I (Vaidman, 1996a, 1997) have argued that the a...

Synchronic Bayesian updating and the Sleeping Beauty problem: reply to Pust

I maintain, in defending “thirdism,” that Sleeping Beauty should do Bayesian updating after assigning the “preliminary probability” 1/4 to the statement S: “Today is Tuesday and the coin flip is heads.” (This preliminary probability obtains relative to a specific proper subset I of her available information.) Pust objects that her preliminary probability for S is really zero, because she could ...