An appeal to skepticism about reasoning

Unaided and aided reasoning Humans reason about many things. Some things are more complex than other things. The more complex a thing is, the more probably it is that one will reason wrongly about it. For simple things the probability of unaided reasoning reasoning wrongly is not high. For complex things the probability of unaided…

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The modal fallacy

This is a translation of my earlier article on the subject. Link. The modal fallacy By Emil Kirkegaard, Deleet.dk This fallacy is rather common among persons who are not well versed in logic (especially modal logic). Consider these two not logically identical sentences: I) If there exists at least one subject S that knows which…

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