An assertoric proposition in
Aristotelian logic
Logic is the study of correct reasoning. It includes both formal and informal logic. Formal logic is the science of deductively valid inferences or of logical truths. It is a formal science investigating how conclusions follow from premises ...
merely asserts that something is (or is not) the case, in contrast to
problematic proposition
Problematic may refer to:
* ''Problematic'' (All album), a 2000 album by punk band ALL
* ''Problematic with Moshe Kasher'', an American late-night talk show from 2017
* ''Problematic'', a 2007 album by Cambodian artist Chhet Sovan Panha
Chhe ...
s which assert the possibility of something being true, or
apodeictic
"Apodictic", also spelled "apodeictic" ( grc, ἀποδεικτικός, "capable of demonstration"), is an adjectival expression from Aristotelean logic that refers to propositions that are demonstrably, necessarily or self-evidently true. propositions which assert things which are necessarily or
self-evident
In epistemology (theory of knowledge), a self-evident proposition is a proposition that is known to be true by understanding its meaning without proof, and/or by ordinary human reason.
Some epistemologists deny that any proposition can be self- ...
ly true or false.
Kant
Immanuel Kant (, , ; 22 April 1724 – 12 February 1804) was a German Philosophy, philosopher and one of the central Age of Enlightenment, Enlightenment thinkers. Born in Königsberg, Kant's comprehensive and systematic works in epistemolo ...
contrasts "apodictic" with "problematic" and "assertoric" in the '' Critique of Pure Reason'', on page A70/B95. For instance, "Chicago is larger than Omaha" is assertoric. "A corporation could be wealthier than a country" is problematic. "Two plus two equals four" is apodeictic.
Notes
References
*
Antony Flew
Antony Garrard Newton Flew (; 11 February 1923 – 8 April 2010) was a British philosopher. Belonging to the analytic and evidentialist schools of thought, Flew worked on the philosophy of religion. During the course of his career he taught a ...
. ''A Dictionary of Philosophy – Revised Second Edition'' St. Martin's Press, NY, 1979
External links
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Modal logic
Term logic
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