1-- I think it is used grammatically correctly here, but I find the style (with the pronoun) awkward, and suggest that you use the passive: is necessarily entailed by epoche . #2-- the the dependent clause seems quite awkward as the object: why not change to the inevitability of the choice ? The rest are fine in form and seem to be so in meaning, so far as they stand, though I cannot vouch for the greater context-- for instance, in #4: can your facts entail ( = involve, include) losses , etc?
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