No Negative Parallelism Negative parallelism is the sentence shape "it's not just X, it's Y": a modest claim negated and restated grander, where the second clause adds nothing the first lacked. In classical rhetoric the figure is antithesis; in generated text it is filler that performs depth instead of delivering it. This skill bans the construction in new text and, on request, audits a project for it and scores the result. The ban covers the construction and leaves negation itself alone. "The exporter does not compress its output" is plain factual negation and is always fine. "This isn't a d…