apodictic

[ap-uh-dik-tik]

adjective

incontestable because of having been demonstrated or proved to be demonstrable.
Logic. (of a proposition) necessarily true or logically certain.

Also ap·o·deic·tic

[ap-uh-dahyk-tik] /ˌæp əˈdaɪk tɪk/, ap·o·dic·ti·cal.

Origin of apodictic

1645–55; < Latin apodīcticus < Greek apodeiktikós proving fully. See apo-, deictic

Related formsap·o·dic·ti·cal·ly, ap·o·deic·ti·cal·ly, adverb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for apodeictic

Historical Examples of apodeictic

I shall term this the demonstrative or apodeictic employment of reason.
The Critique of Pure Reason
Immanuel Kant
These principles cannot be derived from experience, for it would give neither strict universality, nor apodeictic certainty.
The Critique of Pure Reason
Immanuel Kant
I divide all apodeictic propositions, whether demonstrable or immediately certain, into dogmata and mathemata.
The Critique of Pure Reason
Immanuel Kant
In the former case, the dogmatist must take care that his arguments possess the apodeictic certainty of a demonstration.
The Critique of Pure Reason
Immanuel Kant
All these indications in the Bible show that the doctrine of creation is capable of apodeictic proof.
A History of Mediaeval Jewish Philosophy
Isaac Husik

British Dictionary definitions for apodeictic

apodeictic

apodictic (ˌæpəˈdɪktɪk)

adjective

unquestionably true by virtue of demonstration
logic archaic
1. necessarily true
2. asserting that a property holds necessarily

Compare problematic (def. 2), assertoric

Derived Formsapodeictically or apodictically, adverb

Word Origin for apodeictic

C17: from Latin apodīcticus, from Greek apodeiktikos clearly demonstrating, from apodeiknunai to demonstrate

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for apodeictic

apodictic

adj.

"clearly demonstrated," 1650s, from Latin apodicticus, from Greek apodeiktikos, from apodeiktos, verbal adjective of apodeiknynai "to show off, demonstrate," literally "to point away from" (other objects, at one), from apo "off, away" (see apo-) + deiknynai "to show" (see diction).