Frank, list,

Peirce characterizes the method of opinion in MS 173 "Logic, Truth, and the Settlement of Opinion" (Winter-Spring 1872) in a paragraph appearing in CP 7.324 and W 3:15. It appears that, by the time he wrote "The Fixation of Belief," Peirce had settled on _/replacing/_ the method of opinion with the method of _/a priori/_. The two methods do differ somewhat. I can only guess as to why he didn't keep both. Joe's transcription breaks the pertinent paragraph into four. http://www.cspeirce.com/menu/library/bycsp/logic/ms179.htm

      The only justification for reasoning is that it settles doubts,
   and when doubt finally ceases, no matter how, the end of reasoning
   is attained. Let a man resolve never to change his existing
   opinions, let him obstinately shut his eyes to all evidence against
   them, and if his will is strong enough so that he actually does not
   waver in his faith, he has no motive for reasoning at all, and it
   would be absurd for him to do it. That is method number one for
   attaining the end of reasoning, and it is a method which has been
   much practised and highly approved, especially by people whose
   experience has been that reasoning only leads from doubt to doubt.
   There is no valid objection to this procedure if it only succeeds.
   It is true it is utterly irrational; that is to say, it is foolish
   from the point of view of those who do reason. But to assume that
   point of view is to beg the question. In fact, however, it does not
   succeed; and the first cause of failure is that different people
   have different opinions and the man who sees this begins to feel
   uncertain.

            It is therefore desirable to produce unanimity of opinion
   and this gives rise to method number two, which is to force people
   by fire and sword to adopt one belief, to massacre all who dissent
   from it and burn their books. This way of bringing about a catholic
   consent has proved highly successful for centuries in some cases,
   but it is not practicable in our days.

            A modification of this is method number three, to cultivate
   a public opinion by oratory and preaching and by fostering certain
   sentiments and passions in the minds of the young. This method is
   the most generally successful in our day.

            The fourth and last method is that of reasoning. It will
   never be adopted when any of the others will succeed and it has
   itself been successful only in certain spheres of thought.
   Nevertheless those who reason think that it must be successful in
   the end, and so it would if all men could reason. There is this to
   be said in favor of it. He who reasons will regard the opinions of
   the majority of mankind with contemptuous indifference; they will
   not in the least disturb his opinions. He will also neglect the
   beliefs of those who are not informed, and among the small residue
   he may fairly expect some unanimity on many questions.

In MS 181 (also Winter-Spring 1872, W 3:18-20) Peirce's third method is the natural development of opinion, more like the method of a prior. http://cspeirce.com/menu/library/bycsp/logic/ms181.htm:

            The cause of the failure of persecution suggests a third
   means of settling opinions. This is by the natural development of
   opinion. In other words not to try to cure the disease of error, but
   pursue an expectant treatment. There is a natural course in the
   growth of opinions. The history of philosophy the great example.
   Bring morality into question & you will see a determination not to
   question or discuss it which shows the force of this method.
   Traditional belief remains undisturbed until one community comes in
   contact with another. Then it is seen that the result is quite
   accidental & dependent on surrounding circumstances and initial
   conditions and belief gets all unsettled.

Best, Ben

On 5/4/2014 3:41 PM, Frank Ransom wrote:
List,

Reading through the posts, I've noticed that no one has mentioned the fifth method Peirce identified. Quoting from Liszka's /A General Introduction to the Semeiotic of Charles S. Peirce/:

"In this last case, authority must give way to the method of public opinion. In this method, the fixing of belief is established not by imposing a set of beliefs on members of a community but by getting them to enthusiastically adopt a set of beliefs of their own accord. Under this method it is still possible to control the community's beliefs, but it must be done in a way that appeals to the population other than through force or intimidation, that is, out of self-interest or commonly held sentiments, fears, or hatreds (cf. CP 7.325). But this turns out to be a rather unstable basis of establishing belief, precisely because the appeal is to sentiments, appearances, and opinions that are not firmly established. This method has a tendency to create sweeping and rapid changes but ones that do not persist as circumstances or public mood changes (cf. CP 7.318).

Since some list members have been making much of the four methods and how to properly justify the distinction of the four from each other, I felt it would be well to mention this other method. In general, it is probably best to think of method in the more general sense in which Peirce uses that term, as having to do with a procedure for knowing a thing, and that the notion of method used in "Fixation of Belief" and identification of four such methods is aimed at the specific purpose of identifying in general, not methods, but the kinds of methods by which belief might become fixed. Peirce's list of five kinds of method strikes me as somewhat arbitrary and more a matter of Peirce's observations than a thorough-going systematic approach. I do believe that a systematic approach should be possible for distinguishing the kinds, that there are likley more kinds, and the categories might prove helpful in such an approach. It's just not clear at all to me yet how it should be accomplished, and I am reticent to turn to Kant for suggestions.

-- Franklin


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