Logica Utens

Keyword: Logica Utens


Dictionary Entry | Posted 15/08/2017
Quote from "Reason's Rules"

No matter how completely free the Reader may be of the influence of logical systems and traditions, he nevertheless does hold certain logical tenets. There are certain general forms of reasoning...

Manuscript | Posted 23/09/2014
Peirce, Charles S. (1903). Lecture I [R]. MS [R] 453

Robin Catalogue:
A. MS., notebook, n.p., 1903, pp. 1-37.
Science hampered by the false notion that there is no distinction between good and bad reasoning. This notion related to...

Manuscript | Posted 22/09/2014
Peirce, Charles S. (1903). Lecture I [R]. MS [R] 451

Robin Catalogue:
A. MS., notebook, n.p., 1903, pp. 1-21.
Refutation of the view that there is no distinction between good and bad reasoning or, for that matter, good and bad...

Manuscript | Posted 22/09/2014
Peirce, Charles S. (1903). Lecture I [R]. MS [R] 448

Robin Catalogue:
A. MS,. notebook, G-1903-2a, pp. 1-48.
Published as 1.591-610, with omissions. Unpublished: Present day science suffers from a malady whose source is an...

Manuscript | Posted 09/09/2014
Peirce, Charles S. (1897 [c.]). On Multitude. MS [R] 26
Dictionary Entry | Posted 01/02/2013
Quote from "Logical Tracts. No. 2. On Existential Graphs, Euler's Diagrams, and Logical Algebra"

The purpose of reasoning is to proceed from the recognition of the truth we already know to the knowledge of novel truth. This we may do by instinct or by a habit of which we are hardly conscious...

Dictionary Entry | Posted 01/02/2013
Quote from "Harvard Lectures on Pragmatism: Lecture IV. The Seven Systems of Metaphysics"

Logic proper is the critic of arguments, the pronouncing them to be good or bad. There are, as I am prepared to maintain, operations of the mind which are logically exactly analogous to...

Dictionary Entry | Posted 01/02/2013
Quote from "Harvard Lectures on Pragmatism: Lecture V"

Whatever opinion be entertained in regard to the scope of logic, it will be generally agreed that the heart of it lies in the classification and critic of arguments. Now it is peculiar to the...

Dictionary Entry | Posted 01/02/2013
Quote from "Minute Logic: Chapter II. Section II. Why Study Logic? "

Now a person cannot perform the least reasoning without some general ideal of good reasoning; for reasoning involves deliberate approval of one’s reasoning; and approval...

Dictionary Entry | Posted 01/02/2013
Quote from "Cambridge Lectures on Reasoning and the Logic of Things: Philosophy and the Conduct of Life"

I shall have a good deal to say about right reasoning; and in default of better I had reckoned that as a Topic of Vital Importance. But I do not know that the theory of reasoning is quite...

Dictionary Entry | Posted 31/01/2013
Quote from "Reasoning"

Reasoning is a process in which the reasoner is conscious that a judgment, the conclusion, is determined by other judgment or judgments, the premisses, according to a general habit of thought,...

Dictionary Entry | Posted 31/01/2013
Quote from "Logic"

… it is only the deliberate adoption of a belief in consequence of the admitted truth of some other proposition which is, properly speaking, reasoning. In that case the belief is adopted because...

Dictionary Entry | Posted 31/01/2013
Quote from "The Proper Treatment of Hypotheses: a Preliminary Chapter, toward an Examination of Hume's Argument against Miracles, in its Logic and in its History"

Every time a man really reasons, in that sense, he is clearly or obscurely conscious that his present inference belongs to a general class of cases in which an analogous...

Encyclopedia Article | Posted 29/12/2012
Chiasson, Phyllis: "Peirce and the Continuum of Means and Ends"

It may seem obvious that, before we can begin to verify a hypothesis, we must somehow “acquire” one. Yet, until Peirce began working on his theory of abduction, little thought had been given to...