invalidity

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun illogicality as a consequence of having a conclusion that does not follow from the premisses

From invalid + -ity.

Also, when he may lawfully performe, and doth not, it is not the Invalidity of the Covenant, that absolveth him, but the Sentence of the Soveraign. — Leviathan, Thomas Hobbes
This principle of reason is hence valid only as a rule for the extension of a possible experience—its invalidity as a principle constitutive of phenomena in themselves having been sufficiently demonstrated. — The Critique of Pure Reason, Immanuel Kant
It is not much, perhaps, but it answers the purpose admirably.”[962] Such was the origin of those important laws dealing with sickness, accidents, invalidity, and old age which received the imperial seal between 1881 and 1889. — A history of economic doctrines : $b from the time of the physiocrats to the present day, Charles Gide

invalidness

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