Results 91 to 100 of about 5,768 (184)

Formal logic: Classical problems and proofs [PDF]

open access: yes, 2019
Not focusing on the history of classical logic, this book provides discussions and quotes central passages on its origins and development, namely from a philosophical perspective.
Augusto, Luis M.
core  

Categorical Syllogism as a Function

open access: yes
In this paper, categorical propositions are interpreted as the relations between two sets, including empty sets. The moods of a categorical syllogism are interpreted as the relations among three sets. Based on these, the syllogistic function is derived, which maps the relations of the premises to the corresponding subject-predicate relation in the ...
openaire   +1 more source

An old- new presentation of categorical syllogisms

open access: yes, 2018
One recognizes five types of pairs of categorical premises (PCPs) – only three out of the five types entail logical conclusions (LCs) and thus generate valid categorical arguments (VCAs), some of which are the usual valid syllogisms (VSs). (George Boole and Lewis Carroll obtained these results.) One argues, (using set relabelings), that all VCAs of the
openaire   +2 more sources

Differences in Performance of ASD and ADHD Subjects Facing Cognitive Loads in an Innovative Reasoning Experiment. [PDF]

open access: yesBrain Sci, 2021
Papaioannou A   +7 more
europepmc   +1 more source

THE PROCESS OF DEDUCTIVE THINKING AT 8TH GRADE STUDENTS WITH HIGH MATH SKILL IN COMPLETING GEOMETRIC PROOF [PDF]

open access: yes, 2014
Nowadays, deductive thinking begins to attract more attention in the field of mathematics education especially for geometry. A deductive thinking can be noticed as the way of deduction from general to specific statement.
Pipit, Firmanti
core  

Solving natural syllogisms [PDF]

open access: yes, 2010
Natural syllogisms are expressed in terms of classes and properties of the real world (usually of daily life). They exploit a categorisation present in semantic memory that provides a class inclusion structure.
Politzer, Guy
core   +2 more sources

Paradoxical Reasoning: An fMRI Study. [PDF]

open access: yesFront Psychol, 2022
Belekou A   +6 more
europepmc   +1 more source

An intuitive, visual presentation of categorical syllogisms

open access: yes, 2018
One proposes a very simple scheme for finding logical conclusions (LCs) from any pairof categorical premises (PCP), by using the fact that any universal, (resp. particular),premise empties, (resp. lays set elements into), two subsets out of the eight subsetpartition of the universal set U which models the categorical statements.
openaire   +2 more sources

Critical Foundations of the Contextual Theory of Mind [PDF]

open access: yes, 2011
The contextual mind is found attested in various usages of the term complement, in the background of Kant. The difficulties of Kant's intuitionism are taken up through Quine, but referential opacity is resolved as semantic presence in lived context.
antiquari(at)vodamail(dot)co(dot)za, Mr S.A. Orwin O'Dowd
core  

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