--- a/src/HOL/Library/Extended_Real.thy Tue Dec 08 20:21:59 2015 +0100
+++ b/src/HOL/Library/Extended_Real.thy Wed Dec 09 17:35:22 2015 +0000
@@ -2444,7 +2444,7 @@
then have S: "open S" "ereal x \<in> ereal ` S"
by (simp_all add: inj_image_mem_iff)
show "eventually (\<lambda>x. real_of_ereal (f x) \<in> S) net"
- by (auto intro: eventually_mono' [OF lim[THEN topological_tendstoD, OF open_ereal, OF S]])
+ by (auto intro: eventually_mono [OF lim[THEN topological_tendstoD, OF open_ereal, OF S]])
qed
lemma lim_ereal[simp]: "((\<lambda>n. ereal (f n)) ---> ereal x) net \<longleftrightarrow> (f ---> x) net"
@@ -2456,7 +2456,7 @@
fix l :: ereal
assume "\<forall>r. eventually (\<lambda>x. ereal r < f x) F"
from this[THEN spec, of "real_of_ereal l"] have "l \<noteq> \<infinity> \<Longrightarrow> eventually (\<lambda>x. l < f x) F"
- by (cases l) (auto elim: eventually_elim1)
+ by (cases l) (auto elim: eventually_mono)
}
then show ?thesis
by (auto simp: order_tendsto_iff)
@@ -2477,7 +2477,7 @@
then have "eventually (\<lambda>z. f z \<in> {..< B}) F"
by auto
ultimately show "eventually (\<lambda>z. f z \<in> S) F"
- by (auto elim!: eventually_elim1)
+ by (auto elim!: eventually_mono)
next
fix x
assume "\<forall>S. open S \<longrightarrow> -\<infinity> \<in> S \<longrightarrow> eventually (\<lambda>x. f x \<in> S) F"
@@ -2571,7 +2571,7 @@
by auto
from tendsto[THEN topological_tendstoD, OF this]
show "eventually (\<lambda>x. ereal (real_of_ereal (f x)) \<in> S) net"
- by (elim eventually_elim1) (auto simp: ereal_real)
+ by (elim eventually_mono) (auto simp: ereal_real)
qed
lemma ereal_mult_cancel_left: