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What subjects does Book IV of De rerum natura explore?
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Lucretius
Lucretius, engraving of a bust.
In Book IV of De rerum natura, Lucretius explores the mechanics of human perception and thought, as well as certain bodily functions. Specifically, the book details how humans acquire knowledge through the senses and argues that while sensory input is infallible, reason can lead to false inferences. Additionally, the book includes a condemnation of sexual passion.1