The development of modern physics requires that verbal interpretations given to the symbols used in mathematical analysis be closely examined to determine whether such verbal interpretations are meaningful or even possible. The concept “causality” is studied. Considerations suggested by relativity theory indicate that this concept can have only a local meaning and that, in particular, two observers in different parts of the universe could not communicate adequately with each other if they employed the concept of causality in their statements of physical phenomena. It is requisite that the scientist give up his insistence on verbal translations of abstract symbols in order that he be able to make more general and profound insights in his analytical reasoning.

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