more from this thinker | more from this text
Full Idea
A rule is amended if it yields an inference we are unwilling to accept; an inference is rejected if it violates a rule we are unwilling to amend.
Gist of Idea
If the result is bad, we change the rule; if we like the rule, we reject the result
Source
Nelson Goodman (Fact, Fiction and Forecast (4th ed) [1954], p.64)
Book Ref
Goodman,Nelson: 'Fact, Fiction and Forecast (4th ed)' [Harvard 1983], p.64
A Reaction
This is clearly in tune with Quine's assertion that logic is potentially revisable, and the idea is pragmatist in spirit. It is hard to deny that intuitions about what makes a good argument control our logic. I say the world controls our intuitions.
13251 | Each person is free to build their own logic, just by specifying a syntax [Carnap] |
18709 | Laws of logic are like laws of chess - if you change them, it's just a different game [Wittgenstein] |
12394 | If the result is bad, we change the rule; if we like the rule, we reject the result [Goodman] |
20296 | Logic needs general conventions, but that needs logic to apply them to individual cases [Quine, by Rey] |
8998 | Claims that logic and mathematics are conventional are either empty, uninteresting, or false [Quine] |
8999 | Logic isn't conventional, because logic is needed to infer logic from conventions [Quine] |
9000 | If a convention cannot be communicated until after its adoption, what is its role? [Quine] |
19289 | Maybe conventionalism applies to meaning, but not to the truth of propositions expressed [Hale] |