Results 81 to 90 of about 5,768 (184)

False Persuasion, Superficial Heuristics, and the Power of Logical Form to Test the Integrity of Legal Argument [PDF]

open access: yes, 2014
This Article will generally describe philosophical logic, logical form, and logical fallacy. Further, it will explain one specific logical fallacy—the Fallacy of Negative Premises—as well as how courts have used the Fallacy of Negative Premises to ...
Rice, Stephen M.
core   +1 more source

Metaphysical Modality, Modality of Predicate and the Theory of "Decisive Necessity”

open access: yesMetaphysics, 2010
Aristotle in the Organon (1949: 9,30 a ,15-19) explicitly states that in a categorical syllogism when the minor premise is absolute (without modality operator) and the major is necessary, the conclusion will be necessary too.
L. Nabavi
doaj  

A Fortiori Logic: Innovations, History and Assessments [PDF]

open access: yes, 2013
A Fortiori Logic: Innovations, History and Assessments is a wide-ranging and in-depth study of a fortiori reasoning, comprising a great many new theoretical insights into such argument, a history of its use and discussion from antiquity to the present ...
Sion, Avi
core  

Categorical syllogisms – a set theory do-over

open access: yes, 2018
There are 36 distinct pairs of categorical premises (PCP) expressed via only the S,P,M terms and the categorical operators (or quantifiers) A,O,E,I applied to pairs of these 3 terms. Modeling such premises on a cylindrical Venn diagram or Karnaugh map with n=3, where the middle term M occupies one row and M', its complementary set, occupies a 2nd row,
openaire   +2 more sources

Aristotle’s Theory of Deduction and Paraconsistency

open access: yesPrincipia: An International Journal of Epistemology, 2010
In the Organon Aristotle describes some deductive schemata in which inconsistencies do not entail the trivialization of the logical theory involved. This thesis is corroborated by three different theoretical topics by him discussed, which are presented ...
Evandro L. Gomes   +1 more
doaj  

Experimentation in Psychology--Rationale, Concepts and Issues [PDF]

open access: yes, 2002
An experiment is made up of two or more data-collection conditons that are identical in all aspects, but one. It owes its design to an inductive principle and its hypothesis to deductive logic. It is the most suited for corroborating explanatory theries ,
Chow, Siu L.
core  

Categoricity and Negation. A Note on Kripke’s Affirmativism [PDF]

open access: yes, 2019
We argue that, if taken seriously, Kripke's view that a language for science can dispense with a negation operator is to be rejected. Part of the argument is a proof that positive logic, i.e., classical propositional logic without negation, is not ...
Brîncuș, Constantin C.   +1 more
core  

About term distribution in categorical syllogisms

open access: yes, 2018
One uses a set interpretation of the terms appearing in categorical syllogisms,to redefine the term distribution notion such that most of the valid categoricalarguments (VCAs), (which contain as a subset all the valid syllogisms (VSs)),“conserve the distribution of terms”, i.e., the terms that appear in the logicalconclusion (LC) of a VCA and are there
openaire   +2 more sources

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