Quote: Bertrand Russell, Problems of Philosophy
Wikipedia om bogen. "This seems plainly absurd; but whoever wishes to become a philosopher must learn not to be frightened by absurdities." p. 10. Download: Bertrand Russell - The Problems…
Using propositions as variables
I have encountered the following problem a couple of times. This problem is this: When formalizing something in predicate logic, the predicate uses propositions as variables.1 We may refer to…
Explicating epistemic possibility
It is clear that when we use the phrase “It is possible that...” it is not in all cases used to express mere alethic possibility, that is, “It is logically…
Book review: Possible Worlds, Norman Swartz, Raymond Bradley, 1979
I could write a long detailed review but it is entirely unneeded. This book is without doubt the most enlightening book that I have ever read about logic, and it…
Re: Beliefs and probabilities 2
Opening post. More objections and thoughts. The infinite objection I discovered another objection to the thesis. Infinite regress. The most defendable version of the thesis is (T4) S believes that…
Quote day
I går bestilte jeg en t-shirt med disse citater på ryggen. "Philosophy is a battle against the bewitchment of our intelligence by means of our language." -Ludwig Wittgenstein, Philosophical Investigations…
Re: Beliefs and probabilities 1
Opening post. My response: I think some clarification is in order. The thesis in question is this: (T1) If S believes that p, then S believes that the probability of…
Assertion and inference rules
Possible Worlds quote: “In the second place, the concept of conjunction can be conveyed without using any sentence connective whatever. One way - indeed one of the commonest of all…
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…
Physical impossibility and ought implies can
I was watching The Unbearable Lightness of Being when a scene suddenly made me realize a possible problem with regularity theory of physical laws and the ought implies can principle.…
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