Commit 2023-06-07 04:25 09f63ec6

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feat: port Probability.Integration (#4759)

Estimated changes

Modified Mathlib.lean

Created Mathlib/Probability/Integration.lean

added theorem ProbabilityTheory.IndepFun.integrable_left_of_integrable_mul

added theorem ProbabilityTheory.IndepFun.integrable_mul

added theorem ProbabilityTheory.IndepFun.integrable_right_of_integrable_mul

added theorem ProbabilityTheory.IndepFun.integral_mul'

added theorem ProbabilityTheory.IndepFun.integral_mul

added theorem ProbabilityTheory.IndepFun.integral_mul_of_integrable

added theorem ProbabilityTheory.IndepFun.integral_mul_of_nonneg

added theorem ProbabilityTheory.indepFun_iff_integral_comp_mul

added theorem ProbabilityTheory.lintegral_mul_eq_lintegral_mul_lintegral_of_indepFun''

added theorem ProbabilityTheory.lintegral_mul_eq_lintegral_mul_lintegral_of_indepFun'

added theorem ProbabilityTheory.lintegral_mul_eq_lintegral_mul_lintegral_of_indepFun

added theorem ProbabilityTheory.lintegral_mul_eq_lintegral_mul_lintegral_of_independent_measurableSpace

added theorem ProbabilityTheory.lintegral_mul_indicator_eq_lintegral_mul_lintegral_indicator