Narrative rationality is its logic. The essential components of this logic are the following. Human communication is tested against the principles of probability (coherence) and fidelity (truthfulness and reliability). Probability, whether a story ‘hangs together,’ is assessed in three ways: by its argumentative or structural coherence; by its material coherence, that is, by comparing and contrasting stories told in other discourses (a story may be internally consistent, but important facts may be omitted, counterarguments ignored, and relevant issues overlooked); and by characterological
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