5903
Then , for a measurable function f which is real-valued for the moment , one can define as long as the expression on the right-hand side is defined , that is , all four integrals exist and when adding them up one does not encounter the indeterminate ∞ − ∞ .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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