src/HOL/Probability/Finite_Product_Measure.thy
changeset 56154 f0a927235162
parent 55415 05f5fdb8d093
child 56993 e5366291d6aa
equal deleted inserted replaced
56153:2008f1cf3030 56154:f0a927235162
   934     apply (auto intro!: positive_integral_cong arg_cong2[where f=emeasure] simp: space_pair_measure)
   934     apply (auto intro!: positive_integral_cong arg_cong2[where f=emeasure] simp: space_pair_measure)
   935     done
   935     done
   936 
   936 
   937   show ?B
   937   show ?B
   938     using IJ.measurable_emeasure_Pair1[OF merge]
   938     using IJ.measurable_emeasure_Pair1[OF merge]
   939     by (simp add: vimage_compose[symmetric] comp_def space_pair_measure cong: measurable_cong)
   939     by (simp add: vimage_comp comp_def space_pair_measure cong: measurable_cong)
   940 qed
   940 qed
   941 
   941 
   942 lemma (in product_sigma_finite) product_integral_insert:
   942 lemma (in product_sigma_finite) product_integral_insert:
   943   assumes I: "finite I" "i \<notin> I"
   943   assumes I: "finite I" "i \<notin> I"
   944     and f: "integrable (Pi\<^sub>M (insert i I) M) f"
   944     and f: "integrable (Pi\<^sub>M (insert i I) M) f"