equal
deleted
inserted
replaced
301 then have "w' \<in> A n" unfolding A_eq using w' by (auto simp: prod_emb_def space_PiM) } |
301 then have "w' \<in> A n" unfolding A_eq using w' by (auto simp: prod_emb_def space_PiM) } |
302 then have "w' \<in> (\<Inter>i. A i)" by auto |
302 then have "w' \<in> (\<Inter>i. A i)" by auto |
303 with `(\<Inter>i. A i) = {}` show False by auto |
303 with `(\<Inter>i. A i) = {}` show False by auto |
304 qed |
304 qed |
305 ultimately show "(\<lambda>i. \<mu>G (A i)) ----> 0" |
305 ultimately show "(\<lambda>i. \<mu>G (A i)) ----> 0" |
306 using LIMSEQ_ereal_INFI[of "\<lambda>i. \<mu>G (A i)"] by simp |
306 using LIMSEQ_INF[of "\<lambda>i. \<mu>G (A i)"] by simp |
307 qed fact+ |
307 qed fact+ |
308 then guess \<mu> .. note \<mu> = this |
308 then guess \<mu> .. note \<mu> = this |
309 show ?thesis |
309 show ?thesis |
310 proof (subst emeasure_extend_measure_Pair[OF PiM_def, of I M \<mu> J X]) |
310 proof (subst emeasure_extend_measure_Pair[OF PiM_def, of I M \<mu> J X]) |
311 from assms show "(J \<noteq> {} \<or> I = {}) \<and> finite J \<and> J \<subseteq> I \<and> X \<in> (\<Pi> j\<in>J. sets (M j))" |
311 from assms show "(J \<noteq> {} \<or> I = {}) \<and> finite J \<and> J \<subseteq> I \<and> X \<in> (\<Pi> j\<in>J. sets (M j))" |