Sentence examples for problematic if not impossible from inspiring English sources

Experts judge it problematic, if not impossible, to shield reports already declassified and made public.

But beyond the idea of expansion, any consensus falls apart, with fierce regional rivalries over who might gain new permanent seats making any change problematic, if not impossible.

However, achieving a random sample of Internet users is problematic, if not impossible [63].

I'm not entirely sure why it couldn't have connected via audio out, as this makes using external soundcards (like the M-Audio Transit) problematic, if not impossible.

Furthermore, it should also be noted that the presence of re-entrant connections invalidates the standard theory of branching processes [20], and makes a rigorous determination of the branching parameter σ problematic if not impossible, e.g., in the presence of avalanches merging.

The idea is that the sense-data "interpose" themselves between perceivers and the mind-independent objects which we normally take ourselves to be perceiving, and therefore leaves our perceptual, cognitive and epistemic access to the world deeply problematic if not impossible.

The development and use of PROMs specifically tailored to measure clinical consequences of a condition, such as pressure ulcers, may therefore be problematic: in the case of pressure ulceration has been described as "difficult, if not impossible" [ 20].

unlikely if not impossible".

This makes reform hard if not impossible.

Proving motive is difficult, if not impossible.

That seems highly unlikely, if not impossible.