Successive sentences or verses with the same construction, so that the reader compares what changes from one to the next.
In The Posthumous Memoirs of Brás Cubas
It was fear, and it was not fear; it was pity, and it was not pity; it was vanity, and it was not vanity; in short, it was love without love, that is, without delirium
The three clauses "it was X, and it was not X" repeat the same construction, and the reader compares what changes from one pair to the next: fear, pity, vanity, until reaching love.
Chapters CI to CXVI: The Wall, the Weld, and the Old Leaves, the narrator
I had no children; I passed on to no creature the legacy of our misery
Chapters CXXXVII to CLX: The Cap, the Ministry, and the Denials, the narrator
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