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…
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…
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.…
Quote from The Web of Belief “Rather, believing is a disposition that can linger latent and unobserved. It is a disposition to respond in certain ways when the appropriate issue…
Fast: “We need to keep in mind that "I know that I know" is ambiguous between 1) I am certain and 2) I have knowledge that I know. The latter…
It has been thought for many years (especially since Hume's first Enquiry1) that induction lacks a justification. This justification for induction, it has been thought for long, is necessarily if…
Induction and deduction are foundational to human rationality because it is impossible for a human to stop using them. Indeed what it means to be humanly rational is that one…
I found the text on the internet and I have created this fine PDF version. W. V. Quine, J. S. Ullian - The Web of Belief
n Proposition Symbol Explanation 1 Peter is gay. P1 Premise 2 Peter is male. Q From 1 Valid? Perhaps. A truth table with show: P Q ¬Q P∧¬Q T T…
A complete argument is as argument that is stated or presented such that: 1. One can see all the propositions in the argument. 2. All the propositions in the argument…
Validity is defined in a couple of ways. I like to define it like this: An argument is valid iff the superconjunction1 of all the premises and the negation of…