I wish to coin a fallacy I’ve seen a number of times, exemplified in this paper: Kempthorne, O. (1978). A BIOMETRICS INVITED PAPER: Logical, epistemological and statistical aspects of nature-nurture data interpretation. Biometrics, 1-23. Abstract: In this paper the nature of the reasoning processes applied to the nature-nurture question is discussed in general and with […]

Disclaimer: Some not too structured thoughts. It’s commonly said that correlation does not imply causation. That is true (see Gwern’s analysis), but does causation imply correlation? Specifically, if “→” means causes and “~~” means correlates with, does X→Y imply X~~Y? It may seem obvious that the answer is yes, but it is not so clear. […]

Title says it all. Apparently, some think this is not the case, but it is a straightforward application of Bayes’ theorem. When I first learned of Bayes’ theorem years ago, I thought of this point. Back then I also believed that stereotypes are irrelevant when one has individualized information. Alas, it is incorrect. Neven Sesardic […]

From researchgate: www.researchgate.net/post/What_is_the_actual_difference_between_1st_order_and_higher_order_logic What is the actual difference between 1st order and higher order logic? Yes, I know. They say, the 2nd order logic is more expressive, but it is really hard to me to see why. If we have a domain X, why can’t we define the domain X’ = X u 2^X and […]