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Single Idea 9361
[filed under theme 18. Thought / E. Abstraction / 2. Abstracta by Selection
]
Full Idea
Physical processes present us with phenomena in which the purely mathematical has to be separated out by abstraction.
Gist of Idea
We have to separate the mathematical from physical phenomena by abstraction
Source
C.I. Lewis (A Pragmatic Conception of the A Priori [1923], p.367)
Book Ref
Peirce,James,Dewey etc: 'Pragmatism - The Classic Writings', ed/tr. Thayer,H.S. [Hackett 1982], p.367
A Reaction
This is the father of modal logic endorsing traditional abstractionism, it seems. He is also, though, endorsing the view that a priori knowledge is created by us, with pragmatic ends in view.
The
15 ideas
from C.I. Lewis
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5828
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Extension is the class of things, intension is the correct definition of the thing, and intension determines extension
[Lewis,CI]
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6556
|
If anything is to be probable, then something must be certain
[Lewis,CI]
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21500
|
We rely on memory for empirical beliefs because they mutually support one another
[Lewis,CI]
|
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21498
|
Congruents assertions increase the probability of each individual assertion in the set
[Lewis,CI]
|
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21501
|
If we doubt memories we cannot assess our doubt, or what is being doubted
[Lewis,CI]
|
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9357
|
Excluded middle is just our preference for a simplified dichotomy in experience
[Lewis,CI]
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9358
|
There are several logics, none of which will ever derive falsehoods from truth
[Lewis,CI]
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9362
|
Necessary truths are those we will maintain no matter what
[Lewis,CI]
|
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9361
|
We have to separate the mathematical from physical phenomena by abstraction
[Lewis,CI]
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9363
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Science seeks classification which will discover laws, essences, and predictions
[Lewis,CI]
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9364
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Names represent a uniformity in experience, or they name nothing
[Lewis,CI]
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9365
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We can maintain a priori principles come what may, but we can also change them
[Lewis,CI]
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7803
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Modal logic began with translation difficulties for 'If...then'
[Lewis,CI, by Girle]
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11002
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Equating necessity with informal provability is the S4 conception of necessity
[Lewis,CI, by Read]
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7791
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The simplest of the logics based on possible worlds is Lewis's S5
[Lewis,CI, by Girle]
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