Fiction can be a means of striving towards truths, but in a way that is more abstract than the truths of everyday happenings. We offer a staircase of evolutionary pre-adaptations on which works of literature such as novels and plays depend. These include systems of mirror-neurons, mimetic ritual, conversational language based on actions, narrative structure, metaphor, and imaginary play. These enable the mental simulations that people create when they listen to, or read, stories. We argue that

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... he abstraction of literary character is a sophisticated version of the making of mental models of others that we form routinely in conversation.