indemonstrableadj.
/ɪndɪˈmɒnstrəb(ə)l/ Incapable of being demonstrated or proved. (Said esp. of primary or axiomatic truths, principles, etc.)
ΘΚΠ
the mind > attention and judgement > testing > refutation, disproof > [adjective] > incapable of proof
indemonstrable1570
1570 H. Billingsley tr. Euclid Elements Geom. i. f. 9 The first principles and grounds, which are indemonstrable.
a1620 M. Fotherby Atheomastix (1622) i. i. §4. 6 The first and most ancient principle, and therefore of all other the most indemonstrable.
1785 T. Reid Ess. Intellect. Powers 388 We find likewise some of the axioms of geometry mentioned by Aristotle as axioms, and as indemonstrable principles of mathematical reasoning.
1867 Contemp. Rev. 6 447 Let us give up endeavouring to demonstrate the indemonstrable.
1877 E. Caird Crit. Acct. Philos. Kant i. 139 Certain primary conceptions or indemonstrable material principles of truth.
Derivatives
indeˈmonstrableness n. incapability of being demonstrated.
ΘΚΠ
the mind > attention and judgement > testing > proof, demonstration > [noun] > incapability of being proved
indemonstrableness1727
indemonstrability1789
the mind > mental capacity > belief > uncertainty, doubt, hesitation > insecure knowledge, uncertainty > questionable state or quality > state of being unprovable > [noun]
incorrigibilitya1631
indemonstrableness1727
unprovabilitya1881
unprovableness1883
1727 N. Bailey Universal Etymol. Eng. Dict. II Indemonstrableness.
indeˈmonstrably adv.
ΘΚΠ
the world > the supernatural > deity > Christian God > nature or attributes of God > [adverb] > undemonstrably
indemonstrably1654
1654 T. Warren Vnbeleevers 195 Which indemonstrably sheweth the instrumentality of this grace.
This entry has not yet been fully updated (first published 1900; most recently modified version published online March 2021).
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adj.1570