--- a/src/HOL/Library/Quotient_Sum.thy Thu Mar 06 15:14:09 2014 +0100
+++ b/src/HOL/Library/Quotient_Sum.thy Thu Mar 06 15:25:21 2014 +0100
@@ -10,61 +10,61 @@
subsection {* Rules for the Quotient package *}
-lemma sum_rel_map1:
- "sum_rel R1 R2 (map_sum f1 f2 x) y \<longleftrightarrow> sum_rel (\<lambda>x. R1 (f1 x)) (\<lambda>x. R2 (f2 x)) x y"
- by (simp add: sum_rel_def split: sum.split)
+lemma rel_sum_map1:
+ "rel_sum R1 R2 (map_sum f1 f2 x) y \<longleftrightarrow> rel_sum (\<lambda>x. R1 (f1 x)) (\<lambda>x. R2 (f2 x)) x y"
+ by (simp add: rel_sum_def split: sum.split)
-lemma sum_rel_map2:
- "sum_rel R1 R2 x (map_sum f1 f2 y) \<longleftrightarrow> sum_rel (\<lambda>x y. R1 x (f1 y)) (\<lambda>x y. R2 x (f2 y)) x y"
- by (simp add: sum_rel_def split: sum.split)
+lemma rel_sum_map2:
+ "rel_sum R1 R2 x (map_sum f1 f2 y) \<longleftrightarrow> rel_sum (\<lambda>x y. R1 x (f1 y)) (\<lambda>x y. R2 x (f2 y)) x y"
+ by (simp add: rel_sum_def split: sum.split)
lemma map_sum_id [id_simps]:
"map_sum id id = id"
by (simp add: id_def map_sum.identity fun_eq_iff)
-lemma sum_rel_eq [id_simps]:
- "sum_rel (op =) (op =) = (op =)"
- by (simp add: sum_rel_def fun_eq_iff split: sum.split)
+lemma rel_sum_eq [id_simps]:
+ "rel_sum (op =) (op =) = (op =)"
+ by (simp add: rel_sum_def fun_eq_iff split: sum.split)
-lemma reflp_sum_rel:
- "reflp R1 \<Longrightarrow> reflp R2 \<Longrightarrow> reflp (sum_rel R1 R2)"
- unfolding reflp_def split_sum_all sum_rel_simps by fast
+lemma reflp_rel_sum:
+ "reflp R1 \<Longrightarrow> reflp R2 \<Longrightarrow> reflp (rel_sum R1 R2)"
+ unfolding reflp_def split_sum_all rel_sum_simps by fast
lemma sum_symp:
- "symp R1 \<Longrightarrow> symp R2 \<Longrightarrow> symp (sum_rel R1 R2)"
- unfolding symp_def split_sum_all sum_rel_simps by fast
+ "symp R1 \<Longrightarrow> symp R2 \<Longrightarrow> symp (rel_sum R1 R2)"
+ unfolding symp_def split_sum_all rel_sum_simps by fast
lemma sum_transp:
- "transp R1 \<Longrightarrow> transp R2 \<Longrightarrow> transp (sum_rel R1 R2)"
- unfolding transp_def split_sum_all sum_rel_simps by fast
+ "transp R1 \<Longrightarrow> transp R2 \<Longrightarrow> transp (rel_sum R1 R2)"
+ unfolding transp_def split_sum_all rel_sum_simps by fast
lemma sum_equivp [quot_equiv]:
- "equivp R1 \<Longrightarrow> equivp R2 \<Longrightarrow> equivp (sum_rel R1 R2)"
- by (blast intro: equivpI reflp_sum_rel sum_symp sum_transp elim: equivpE)
+ "equivp R1 \<Longrightarrow> equivp R2 \<Longrightarrow> equivp (rel_sum R1 R2)"
+ by (blast intro: equivpI reflp_rel_sum sum_symp sum_transp elim: equivpE)
lemma sum_quotient [quot_thm]:
assumes q1: "Quotient3 R1 Abs1 Rep1"
assumes q2: "Quotient3 R2 Abs2 Rep2"
- shows "Quotient3 (sum_rel R1 R2) (map_sum Abs1 Abs2) (map_sum Rep1 Rep2)"
+ shows "Quotient3 (rel_sum R1 R2) (map_sum Abs1 Abs2) (map_sum Rep1 Rep2)"
apply (rule Quotient3I)
- apply (simp_all add: map_sum.compositionality comp_def map_sum.identity sum_rel_eq sum_rel_map1 sum_rel_map2
+ apply (simp_all add: map_sum.compositionality comp_def map_sum.identity rel_sum_eq rel_sum_map1 rel_sum_map2
Quotient3_abs_rep [OF q1] Quotient3_rel_rep [OF q1] Quotient3_abs_rep [OF q2] Quotient3_rel_rep [OF q2])
using Quotient3_rel [OF q1] Quotient3_rel [OF q2]
- apply (simp add: sum_rel_def comp_def split: sum.split)
+ apply (simp add: rel_sum_def comp_def split: sum.split)
done
-declare [[mapQ3 sum = (sum_rel, sum_quotient)]]
+declare [[mapQ3 sum = (rel_sum, sum_quotient)]]
lemma sum_Inl_rsp [quot_respect]:
assumes q1: "Quotient3 R1 Abs1 Rep1"
assumes q2: "Quotient3 R2 Abs2 Rep2"
- shows "(R1 ===> sum_rel R1 R2) Inl Inl"
+ shows "(R1 ===> rel_sum R1 R2) Inl Inl"
by auto
lemma sum_Inr_rsp [quot_respect]:
assumes q1: "Quotient3 R1 Abs1 Rep1"
assumes q2: "Quotient3 R2 Abs2 Rep2"
- shows "(R2 ===> sum_rel R1 R2) Inr Inr"
+ shows "(R2 ===> rel_sum R1 R2) Inr Inr"
by auto
lemma sum_Inl_prs [quot_preserve]: