If one event is in phenomenon but is not in not-phenomenon, then event is phenomenon cause, or is necessary to cause or effect {method of difference} {difference method}. If people know all possible causes, probable cause is cause whose removal causes not-phenomenon. However, because physical world is complex, one difference is hard to establish.
Social Sciences>Philosophy>Epistemology>Causation>Method
6-Philosophy-Epistemology-Causation-Method
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Date Modified: 2022.0224