unknowability

Fitch's reasoning, at best, shows us that there is structural unknowability, that is, unknowability that is a function of logical considerations alone.

Fitch's Paradox of Knowability Brogaard, Berit 2009

FWIW, "unknowability" was in one of my dictionaries; so there you go.

Associated Press: Pet Owners Prefer McCain To "Petless" Obama 2009

But is there a more substantial kind of unknowability, for instance, unknowability that is a function of the recognition-transcendence of the non-logical subject-matter?

Fitch's Paradox of Knowability Brogaard, Berit 2009

[Two men in a satirical dialog] managed only to demonstrate that the mathematical limit of an infinite sequence of "doubting the certainty with which something doubted is known to be unknowable when the 'something doubted' is still a preceding statement 'unknowability' of something doubted," that the limit of this process at infinity can only be equivalent to a statement of absolute certainty, even though phrased ans an infinite series of negations of certainty.

Planet XML 2009

[Two men in a satirical dialog] managed only to demonstrate that the mathematical limit of an infinite sequence of "doubting the certainty with which something doubted is known to be unknowable when the 'something doubted' is still a preceding statement 'unknowability' of something doubted," that the limit of this process at infinity can only be equivalent to a statement of absolute certainty, even though phrased ans an infinite series of negations of certainty.

Planet XML 2009

I suggest some kind of website to be set up, where the correct definition of agnosticism is given, along with the above statement of "unknowability", and where people who agree can add their name to a list in support of said statements.

Planet Atheism 2008

"doubting the certainty with which something doubted is known to be unknowable when the 'something doubted' is still a preceding statement of 'unknowability' of something doubted," that the limit of this process at infinity can only be equivalent to a statement of absolute certainty, even though phrased as an infinite series of negations of certainty.

A Canticle for Leibowitz Miller, Walter M. 1959

We have only fragments of each person's story, and their unknowability draws us in and then over the line between the real world and fiction.

Does It Get Any Better Than This? Nancy deWolf Smith 2012

Is it our unknowability that finally makes suicide an enigma?

History of a Suicide Jill Bialosky 2011

"[E] xplores the ways we invent ourselves, the unknowability of others, and the lacks that define us more than anything we possess."

The Spy Game by Georgina Harding: Book summary 2010