Ideas from 'Scientific Attitude and Fallibilism' by Charles Sanders Peirce [1899], by Theme Structure

[found in 'Philosophical Writings of Peirce' by Peirce,Charles Sanders (ed/tr Buchler,Justus) [Dover 1940,0-486-20217-8]].

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6. Mathematics / A. Nature of Mathematics / 4. Using Numbers / c. Counting procedure
Numbers are just names devised for counting
                        Full Idea: Numbers are merely a system of names devised by men for the purpose of counting.
                        From: Charles Sanders Peirce (Scientific Attitude and Fallibilism [1899], II)
                        A reaction: This seems a perfectly plausible view prior to the advent of Cantor, set theory and modern mathematical logic. I suppose the modern reply to this is that Peirce may be right about origin, but that men thereby stumbled on an Aladdin's Cave of riches.
6. Mathematics / C. Sources of Mathematics / 4. Mathematical Empiricism / c. Against mathematical empiricism
That two two-eyed people must have four eyes is a statement about numbers, not a fact
                        Full Idea: To say that 'if' there are two persons and each person has two eyes there 'will be' four eyes is not a statement of fact, but a statement about the system of numbers which is our own creation.
                        From: Charles Sanders Peirce (Scientific Attitude and Fallibilism [1899], II)
                        A reaction: One eye for each arm of the people is certainly a fact. Frege uses this equivalence to build numbers. I think Peirce is wrong. If it is not a fact that these people have four eyes, I don't know what 'four' means. It's being two pairs is also a fact.
11. Knowledge Aims / B. Certain Knowledge / 3. Fallibilism
Reasoning is based on statistical induction, so it can't achieve certainty or precision
                        Full Idea: All positive reasoning is judging the proportion of something in a whole collection by the proportion found in a sample. Hence we can never hope to attain absolute certainty, absolute exactitude, absolute universality.
                        From: Charles Sanders Peirce (Scientific Attitude and Fallibilism [1899], II)
                        A reaction: This is the basis of Peirce's fallibilism - that all 'positive' reasoning (whatever that it?) is based on statistical induction. I'm all in favour of fallibilism, but find Peirce's claim to be a bit too narrow. He was too mesmerised by physical science.
12. Knowledge Sources / A. A Priori Knowledge / 3. Innate Knowledge / a. Innate knowledge
Innate truths are very uncertain and full of error, so they certainly have exceptions
                        Full Idea: It seems to me there is the most historic proof that innate truths are particularly uncertain and mixed up with error, and therefore a fortiori not without exception.
                        From: Charles Sanders Peirce (Scientific Attitude and Fallibilism [1899], II)
12. Knowledge Sources / E. Direct Knowledge / 3. Inspiration
Only reason can establish whether some deliverance of revelation really is inspired
                        Full Idea: We never can be absolutely certain that any given deliverance [of revelation] really is inspired; for that can only be established by reasoning.
                        From: Charles Sanders Peirce (Scientific Attitude and Fallibilism [1899], II)
A truth is hard for us to understand if it rests on nothing but inspiration
                        Full Idea: A truth which rests on the authority of inspiration only is of a somewhat incomprehensible nature; and we can never be sure that we rightly comprehend it.
                        From: Charles Sanders Peirce (Scientific Attitude and Fallibilism [1899], II)
If we decide an idea is inspired, we still can't be sure we have got the idea right
                        Full Idea: Even if we decide that an idea really is inspired, we cannot be sure, or nearly sure, that the statement is true. We know one of the commandments of the Bible was printed without a 'not' in it.
                        From: Charles Sanders Peirce (Scientific Attitude and Fallibilism [1899], II)
15. Nature of Minds / C. Capacities of Minds / 2. Imagination
Only imagination can connect phenomena together in a rational way
                        Full Idea: We can stare stupidly at phenomena; but in the absence of imagination they will not connect themselves together in any rational way.
                        From: Charles Sanders Peirce (Scientific Attitude and Fallibilism [1899], I)
                        A reaction: The importance of this is its connection between imagination and 'rational' understanding. This is an important corrective to a crude traditional picture of the role of imagination. I would connect imagination with counterfactuals and best explanation.