In the Present, in the Future: Two Categories of SF Interpretation, and the Ambiguity of Leena Krohn’s Pereat mundus The genre of science fiction is commonly separated into two different categories: the extrapolative and the analogical/speculative SF. Traditionally, the extrapolative pole of SF has consisted of scenarios which appear to have a high probability of actually happening. The speculative branch of science fiction, for its part, has trusted on a discontinuative leap toward an entirely other state of affairs. The worlds of speculative SF exist in analogical relation with the empirical world of the author, eliciting metaphorical or allegorical readings that are not predicated upon the linear logic of “if this goes on”. Today, it ...