author | haftmann |
Thu, 25 Jul 2013 08:57:16 +0200 | |
changeset 52729 | 412c9e0381a1 |
parent 52308 | 299b35e3054b |
child 53012 | cb82606b8215 |
permissions | -rw-r--r-- |
47455 | 1 |
(* Title: HOL/Library/Quotient_List.thy |
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2 |
Author: Cezary Kaliszyk, Christian Urban and Brian Huffman |
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*) |
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|
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header {* Quotient infrastructure for the list type *} |
|
6 |
||
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7 |
theory Quotient_List |
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imports Main Quotient_Set Quotient_Product Quotient_Option |
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begin |
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|
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subsection {* Relator for list type *} |
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lemma map_id [id_simps]: |
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"map id = id" |
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by (fact List.map.id) |
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|
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lemma list_all2_eq [id_simps, relator_eq]: |
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"list_all2 (op =) = (op =)" |
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proof (rule ext)+ |
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fix xs ys |
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show "list_all2 (op =) xs ys \<longleftrightarrow> xs = ys" |
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by (induct xs ys rule: list_induct2') simp_all |
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qed |
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|
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lemma list_all2_mono[relator_mono]: |
26 |
assumes "A \<le> B" |
|
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shows "(list_all2 A) \<le> (list_all2 B)" |
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using assms by (auto intro: list_all2_mono) |
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||
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lemma list_all2_OO[relator_distr]: "list_all2 A OO list_all2 B = list_all2 (A OO B)" |
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proof (intro ext iffI) |
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fix xs ys |
|
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assume "list_all2 (A OO B) xs ys" |
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thus "(list_all2 A OO list_all2 B) xs ys" |
|
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unfolding OO_def |
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by (induct, simp, simp add: list_all2_Cons1 list_all2_Cons2, fast) |
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next |
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fix xs ys |
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assume "(list_all2 A OO list_all2 B) xs ys" |
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then obtain zs where "list_all2 A xs zs" and "list_all2 B zs ys" .. |
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thus "list_all2 (A OO B) xs ys" |
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by (induct arbitrary: ys, simp, clarsimp simp add: list_all2_Cons1, fast) |
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qed |
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||
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lemma Domainp_list[relator_domain]: |
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assumes "Domainp A = P" |
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shows "Domainp (list_all2 A) = (list_all P)" |
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proof - |
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{ |
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fix x |
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have *: "\<And>x. (\<exists>y. A x y) = P x" using assms unfolding Domainp_iff by blast |
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have "(\<exists>y. (list_all2 A x y)) = list_all P x" |
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by (induction x) (simp_all add: * list_all2_Cons1) |
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} |
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then show ?thesis |
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unfolding Domainp_iff[abs_def] |
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by (auto iff: fun_eq_iff) |
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qed |
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|
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lemma reflp_list_all2[reflexivity_rule]: |
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assumes "reflp R" |
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shows "reflp (list_all2 R)" |
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proof (rule reflpI) |
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from assms have *: "\<And>xs. R xs xs" by (rule reflpE) |
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fix xs |
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show "list_all2 R xs xs" |
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by (induct xs) (simp_all add: *) |
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qed |
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lemma left_total_list_all2[reflexivity_rule]: |
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"left_total R \<Longrightarrow> left_total (list_all2 R)" |
|
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unfolding left_total_def |
|
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apply safe |
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apply (rename_tac xs, induct_tac xs, simp, simp add: list_all2_Cons1) |
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75 |
done |
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lemma left_unique_list_all2 [reflexivity_rule]: |
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"left_unique R \<Longrightarrow> left_unique (list_all2 R)" |
|
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unfolding left_unique_def |
|
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apply (subst (2) all_comm, subst (1) all_comm) |
|
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apply (rule allI, rename_tac zs, induct_tac zs) |
|
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apply (auto simp add: list_all2_Cons2) |
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83 |
done |
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84 |
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lemma list_symp: |
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assumes "symp R" |
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shows "symp (list_all2 R)" |
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proof (rule sympI) |
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from assms have *: "\<And>xs ys. R xs ys \<Longrightarrow> R ys xs" by (rule sympE) |
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fix xs ys |
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assume "list_all2 R xs ys" |
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then show "list_all2 R ys xs" |
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by (induct xs ys rule: list_induct2') (simp_all add: *) |
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94 |
qed |
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95 |
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lemma list_transp: |
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assumes "transp R" |
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shows "transp (list_all2 R)" |
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proof (rule transpI) |
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from assms have *: "\<And>xs ys zs. R xs ys \<Longrightarrow> R ys zs \<Longrightarrow> R xs zs" by (rule transpE) |
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fix xs ys zs |
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assume "list_all2 R xs ys" and "list_all2 R ys zs" |
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then show "list_all2 R xs zs" |
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by (induct arbitrary: zs) (auto simp: list_all2_Cons1 intro: *) |
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105 |
qed |
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106 |
|
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lemma list_equivp [quot_equiv]: |
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"equivp R \<Longrightarrow> equivp (list_all2 R)" |
51994 | 109 |
by (blast intro: equivpI reflp_list_all2 list_symp list_transp elim: equivpE) |
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110 |
|
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111 |
lemma right_total_list_all2 [transfer_rule]: |
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"right_total R \<Longrightarrow> right_total (list_all2 R)" |
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113 |
unfolding right_total_def |
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114 |
by (rule allI, induct_tac y, simp, simp add: list_all2_Cons2) |
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115 |
|
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lemma right_unique_list_all2 [transfer_rule]: |
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"right_unique R \<Longrightarrow> right_unique (list_all2 R)" |
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118 |
unfolding right_unique_def |
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apply (rule allI, rename_tac xs, induct_tac xs) |
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120 |
apply (auto simp add: list_all2_Cons1) |
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121 |
done |
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122 |
|
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lemma bi_total_list_all2 [transfer_rule]: |
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"bi_total A \<Longrightarrow> bi_total (list_all2 A)" |
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unfolding bi_total_def |
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126 |
apply safe |
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apply (rename_tac xs, induct_tac xs, simp, simp add: list_all2_Cons1) |
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128 |
apply (rename_tac ys, induct_tac ys, simp, simp add: list_all2_Cons2) |
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129 |
done |
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130 |
|
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131 |
lemma bi_unique_list_all2 [transfer_rule]: |
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132 |
"bi_unique A \<Longrightarrow> bi_unique (list_all2 A)" |
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133 |
unfolding bi_unique_def |
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134 |
apply (rule conjI) |
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135 |
apply (rule allI, rename_tac xs, induct_tac xs) |
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136 |
apply (simp, force simp add: list_all2_Cons1) |
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137 |
apply (subst (2) all_comm, subst (1) all_comm) |
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138 |
apply (rule allI, rename_tac xs, induct_tac xs) |
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139 |
apply (simp, force simp add: list_all2_Cons2) |
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140 |
done |
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141 |
|
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142 |
subsection {* Transfer rules for transfer package *} |
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143 |
|
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144 |
lemma Nil_transfer [transfer_rule]: "(list_all2 A) [] []" |
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145 |
by simp |
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146 |
|
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147 |
lemma Cons_transfer [transfer_rule]: |
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148 |
"(A ===> list_all2 A ===> list_all2 A) Cons Cons" |
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unfolding fun_rel_def by simp |
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150 |
|
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lemma list_case_transfer [transfer_rule]: |
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"(B ===> (A ===> list_all2 A ===> B) ===> list_all2 A ===> B) |
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list_case list_case" |
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unfolding fun_rel_def by (simp split: list.split) |
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155 |
|
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lemma list_rec_transfer [transfer_rule]: |
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"(B ===> (A ===> list_all2 A ===> B ===> B) ===> list_all2 A ===> B) |
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list_rec list_rec" |
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159 |
unfolding fun_rel_def by (clarify, erule list_all2_induct, simp_all) |
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lemma tl_transfer [transfer_rule]: |
162 |
"(list_all2 A ===> list_all2 A) tl tl" |
|
163 |
unfolding tl_def by transfer_prover |
|
164 |
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165 |
lemma butlast_transfer [transfer_rule]: |
|
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"(list_all2 A ===> list_all2 A) butlast butlast" |
|
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by (rule fun_relI, erule list_all2_induct, auto) |
|
168 |
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169 |
lemma set_transfer [transfer_rule]: |
|
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"(list_all2 A ===> set_rel A) set set" |
|
171 |
unfolding set_def by transfer_prover |
|
172 |
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lemma map_transfer [transfer_rule]: |
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"((A ===> B) ===> list_all2 A ===> list_all2 B) map map" |
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175 |
unfolding List.map_def by transfer_prover |
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176 |
|
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lemma append_transfer [transfer_rule]: |
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"(list_all2 A ===> list_all2 A ===> list_all2 A) append append" |
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179 |
unfolding List.append_def by transfer_prover |
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180 |
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lemma rev_transfer [transfer_rule]: |
182 |
"(list_all2 A ===> list_all2 A) rev rev" |
|
183 |
unfolding List.rev_def by transfer_prover |
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184 |
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lemma filter_transfer [transfer_rule]: |
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"((A ===> op =) ===> list_all2 A ===> list_all2 A) filter filter" |
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187 |
unfolding List.filter_def by transfer_prover |
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188 |
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lemma fold_transfer [transfer_rule]: |
190 |
"((A ===> B ===> B) ===> list_all2 A ===> B ===> B) fold fold" |
|
191 |
unfolding List.fold_def by transfer_prover |
|
192 |
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lemma foldr_transfer [transfer_rule]: |
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"((A ===> B ===> B) ===> list_all2 A ===> B ===> B) foldr foldr" |
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195 |
unfolding List.foldr_def by transfer_prover |
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196 |
|
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lemma foldl_transfer [transfer_rule]: |
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"((B ===> A ===> B) ===> B ===> list_all2 A ===> B) foldl foldl" |
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199 |
unfolding List.foldl_def by transfer_prover |
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200 |
|
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lemma concat_transfer [transfer_rule]: |
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"(list_all2 (list_all2 A) ===> list_all2 A) concat concat" |
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203 |
unfolding List.concat_def by transfer_prover |
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204 |
|
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lemma drop_transfer [transfer_rule]: |
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"(op = ===> list_all2 A ===> list_all2 A) drop drop" |
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207 |
unfolding List.drop_def by transfer_prover |
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208 |
|
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lemma take_transfer [transfer_rule]: |
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"(op = ===> list_all2 A ===> list_all2 A) take take" |
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unfolding List.take_def by transfer_prover |
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212 |
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lemma list_update_transfer [transfer_rule]: |
214 |
"(list_all2 A ===> op = ===> A ===> list_all2 A) list_update list_update" |
|
215 |
unfolding list_update_def by transfer_prover |
|
216 |
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lemma takeWhile_transfer [transfer_rule]: |
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218 |
"((A ===> op =) ===> list_all2 A ===> list_all2 A) takeWhile takeWhile" |
|
219 |
unfolding takeWhile_def by transfer_prover |
|
220 |
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221 |
lemma dropWhile_transfer [transfer_rule]: |
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222 |
"((A ===> op =) ===> list_all2 A ===> list_all2 A) dropWhile dropWhile" |
|
223 |
unfolding dropWhile_def by transfer_prover |
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224 |
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225 |
lemma zip_transfer [transfer_rule]: |
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226 |
"(list_all2 A ===> list_all2 B ===> list_all2 (prod_rel A B)) zip zip" |
|
227 |
unfolding zip_def by transfer_prover |
|
228 |
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229 |
lemma insert_transfer [transfer_rule]: |
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230 |
assumes [transfer_rule]: "bi_unique A" |
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231 |
shows "(A ===> list_all2 A ===> list_all2 A) List.insert List.insert" |
|
232 |
unfolding List.insert_def [abs_def] by transfer_prover |
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233 |
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234 |
lemma find_transfer [transfer_rule]: |
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235 |
"((A ===> op =) ===> list_all2 A ===> option_rel A) List.find List.find" |
|
236 |
unfolding List.find_def by transfer_prover |
|
237 |
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238 |
lemma remove1_transfer [transfer_rule]: |
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239 |
assumes [transfer_rule]: "bi_unique A" |
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240 |
shows "(A ===> list_all2 A ===> list_all2 A) remove1 remove1" |
|
241 |
unfolding remove1_def by transfer_prover |
|
242 |
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243 |
lemma removeAll_transfer [transfer_rule]: |
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244 |
assumes [transfer_rule]: "bi_unique A" |
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245 |
shows "(A ===> list_all2 A ===> list_all2 A) removeAll removeAll" |
|
246 |
unfolding removeAll_def by transfer_prover |
|
247 |
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248 |
lemma distinct_transfer [transfer_rule]: |
|
249 |
assumes [transfer_rule]: "bi_unique A" |
|
250 |
shows "(list_all2 A ===> op =) distinct distinct" |
|
251 |
unfolding distinct_def by transfer_prover |
|
252 |
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253 |
lemma remdups_transfer [transfer_rule]: |
|
254 |
assumes [transfer_rule]: "bi_unique A" |
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255 |
shows "(list_all2 A ===> list_all2 A) remdups remdups" |
|
256 |
unfolding remdups_def by transfer_prover |
|
257 |
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258 |
lemma replicate_transfer [transfer_rule]: |
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259 |
"(op = ===> A ===> list_all2 A) replicate replicate" |
|
260 |
unfolding replicate_def by transfer_prover |
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261 |
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lemma length_transfer [transfer_rule]: |
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"(list_all2 A ===> op =) length length" |
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unfolding list_size_overloaded_def by transfer_prover |
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265 |
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lemma rotate1_transfer [transfer_rule]: |
267 |
"(list_all2 A ===> list_all2 A) rotate1 rotate1" |
|
268 |
unfolding rotate1_def by transfer_prover |
|
269 |
||
270 |
lemma funpow_transfer [transfer_rule]: (* FIXME: move to Transfer.thy *) |
|
271 |
"(op = ===> (A ===> A) ===> (A ===> A)) compow compow" |
|
272 |
unfolding funpow_def by transfer_prover |
|
273 |
||
274 |
lemma rotate_transfer [transfer_rule]: |
|
275 |
"(op = ===> list_all2 A ===> list_all2 A) rotate rotate" |
|
276 |
unfolding rotate_def [abs_def] by transfer_prover |
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277 |
|
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lemma list_all2_transfer [transfer_rule]: |
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279 |
"((A ===> B ===> op =) ===> list_all2 A ===> list_all2 B ===> op =) |
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list_all2 list_all2" |
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apply (subst (4) list_all2_def [abs_def]) |
282 |
apply (subst (3) list_all2_def [abs_def]) |
|
283 |
apply transfer_prover |
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done |
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285 |
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lemma sublist_transfer [transfer_rule]: |
287 |
"(list_all2 A ===> set_rel (op =) ===> list_all2 A) sublist sublist" |
|
288 |
unfolding sublist_def [abs_def] by transfer_prover |
|
289 |
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290 |
lemma partition_transfer [transfer_rule]: |
|
291 |
"((A ===> op =) ===> list_all2 A ===> prod_rel (list_all2 A) (list_all2 A)) |
|
292 |
partition partition" |
|
293 |
unfolding partition_def by transfer_prover |
|
47650 | 294 |
|
47923 | 295 |
lemma lists_transfer [transfer_rule]: |
296 |
"(set_rel A ===> set_rel (list_all2 A)) lists lists" |
|
297 |
apply (rule fun_relI, rule set_relI) |
|
298 |
apply (erule lists.induct, simp) |
|
299 |
apply (simp only: set_rel_def list_all2_Cons1, metis lists.Cons) |
|
300 |
apply (erule lists.induct, simp) |
|
301 |
apply (simp only: set_rel_def list_all2_Cons2, metis lists.Cons) |
|
302 |
done |
|
303 |
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lemma set_Cons_transfer [transfer_rule]: |
305 |
"(set_rel A ===> set_rel (list_all2 A) ===> set_rel (list_all2 A)) |
|
306 |
set_Cons set_Cons" |
|
307 |
unfolding fun_rel_def set_rel_def set_Cons_def |
|
308 |
apply safe |
|
309 |
apply (simp add: list_all2_Cons1, fast) |
|
310 |
apply (simp add: list_all2_Cons2, fast) |
|
311 |
done |
|
312 |
||
313 |
lemma listset_transfer [transfer_rule]: |
|
314 |
"(list_all2 (set_rel A) ===> set_rel (list_all2 A)) listset listset" |
|
315 |
unfolding listset_def by transfer_prover |
|
316 |
||
317 |
lemma null_transfer [transfer_rule]: |
|
318 |
"(list_all2 A ===> op =) List.null List.null" |
|
319 |
unfolding fun_rel_def List.null_def by auto |
|
320 |
||
321 |
lemma list_all_transfer [transfer_rule]: |
|
322 |
"((A ===> op =) ===> list_all2 A ===> op =) list_all list_all" |
|
323 |
unfolding list_all_iff [abs_def] by transfer_prover |
|
324 |
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325 |
lemma list_ex_transfer [transfer_rule]: |
|
326 |
"((A ===> op =) ===> list_all2 A ===> op =) list_ex list_ex" |
|
327 |
unfolding list_ex_iff [abs_def] by transfer_prover |
|
328 |
||
329 |
lemma splice_transfer [transfer_rule]: |
|
330 |
"(list_all2 A ===> list_all2 A ===> list_all2 A) splice splice" |
|
331 |
apply (rule fun_relI, erule list_all2_induct, simp add: fun_rel_def, simp) |
|
332 |
apply (rule fun_relI) |
|
333 |
apply (erule_tac xs=x in list_all2_induct, simp, simp add: fun_rel_def) |
|
334 |
done |
|
335 |
||
52308 | 336 |
lemma listsum_transfer[transfer_rule]: |
337 |
assumes [transfer_rule]: "A 0 0" |
|
338 |
assumes [transfer_rule]: "(A ===> A ===> A) op + op +" |
|
339 |
shows "(list_all2 A ===> A) listsum listsum" |
|
340 |
unfolding listsum_def[abs_def] |
|
341 |
by transfer_prover |
|
342 |
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343 |
subsection {* Setup for lifting package *} |
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344 |
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345 |
lemma Quotient_list[quot_map]: |
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346 |
assumes "Quotient R Abs Rep T" |
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347 |
shows "Quotient (list_all2 R) (map Abs) (map Rep) (list_all2 T)" |
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348 |
proof (unfold Quotient_alt_def, intro conjI allI impI) |
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349 |
from assms have 1: "\<And>x y. T x y \<Longrightarrow> Abs x = y" |
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350 |
unfolding Quotient_alt_def by simp |
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351 |
fix xs ys assume "list_all2 T xs ys" thus "map Abs xs = ys" |
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352 |
by (induct, simp, simp add: 1) |
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353 |
next |
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354 |
from assms have 2: "\<And>x. T (Rep x) x" |
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355 |
unfolding Quotient_alt_def by simp |
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356 |
fix xs show "list_all2 T (map Rep xs) xs" |
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357 |
by (induct xs, simp, simp add: 2) |
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358 |
next |
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|
359 |
from assms have 3: "\<And>x y. R x y \<longleftrightarrow> T x (Abs x) \<and> T y (Abs y) \<and> Abs x = Abs y" |
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360 |
unfolding Quotient_alt_def by simp |
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361 |
fix xs ys show "list_all2 R xs ys \<longleftrightarrow> list_all2 T xs (map Abs xs) \<and> |
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362 |
list_all2 T ys (map Abs ys) \<and> map Abs xs = map Abs ys" |
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363 |
by (induct xs ys rule: list_induct2', simp_all, metis 3) |
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|
364 |
qed |
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|
365 |
|
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366 |
lemma list_invariant_commute [invariant_commute]: |
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367 |
"list_all2 (Lifting.invariant P) = Lifting.invariant (list_all P)" |
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368 |
apply (simp add: fun_eq_iff list_all2_def list_all_iff Lifting.invariant_def Ball_def) |
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|
369 |
apply (intro allI) |
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|
370 |
apply (induct_tac rule: list_induct2') |
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|
371 |
apply simp_all |
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|
372 |
apply metis |
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|
373 |
done |
2cddc27a881f
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parents:
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changeset
|
374 |
|
2cddc27a881f
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parents:
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|
375 |
subsection {* Rules for quotient package *} |
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parents:
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|
376 |
|
47308 | 377 |
lemma list_quotient3 [quot_thm]: |
378 |
assumes "Quotient3 R Abs Rep" |
|
379 |
shows "Quotient3 (list_all2 R) (map Abs) (map Rep)" |
|
380 |
proof (rule Quotient3I) |
|
381 |
from assms have "\<And>x. Abs (Rep x) = x" by (rule Quotient3_abs_rep) |
|
40820
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parents:
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diff
changeset
|
382 |
then show "\<And>xs. map Abs (map Rep xs) = xs" by (simp add: comp_def) |
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more systematic and compact proofs on type relation operators using natural deduction rules
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parents:
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diff
changeset
|
383 |
next |
47308 | 384 |
from assms have "\<And>x y. R (Rep x) (Rep y) \<longleftrightarrow> x = y" by (rule Quotient3_rel_rep) |
40820
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more systematic and compact proofs on type relation operators using natural deduction rules
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parents:
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diff
changeset
|
385 |
then show "\<And>xs. list_all2 R (map Rep xs) (map Rep xs)" |
fd9c98ead9a9
more systematic and compact proofs on type relation operators using natural deduction rules
haftmann
parents:
40463
diff
changeset
|
386 |
by (simp add: list_all2_map1 list_all2_map2 list_all2_eq) |
fd9c98ead9a9
more systematic and compact proofs on type relation operators using natural deduction rules
haftmann
parents:
40463
diff
changeset
|
387 |
next |
fd9c98ead9a9
more systematic and compact proofs on type relation operators using natural deduction rules
haftmann
parents:
40463
diff
changeset
|
388 |
fix xs ys |
47308 | 389 |
from assms have "\<And>x y. R x x \<and> R y y \<and> Abs x = Abs y \<longleftrightarrow> R x y" by (rule Quotient3_rel) |
40820
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more systematic and compact proofs on type relation operators using natural deduction rules
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parents:
40463
diff
changeset
|
390 |
then show "list_all2 R xs ys \<longleftrightarrow> list_all2 R xs xs \<and> list_all2 R ys ys \<and> map Abs xs = map Abs ys" |
fd9c98ead9a9
more systematic and compact proofs on type relation operators using natural deduction rules
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parents:
40463
diff
changeset
|
391 |
by (induct xs ys rule: list_induct2') auto |
fd9c98ead9a9
more systematic and compact proofs on type relation operators using natural deduction rules
haftmann
parents:
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diff
changeset
|
392 |
qed |
35222
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
393 |
|
47308 | 394 |
declare [[mapQ3 list = (list_all2, list_quotient3)]] |
47094 | 395 |
|
40820
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diff
changeset
|
396 |
lemma cons_prs [quot_preserve]: |
47308 | 397 |
assumes q: "Quotient3 R Abs Rep" |
35222
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
398 |
shows "(Rep ---> (map Rep) ---> (map Abs)) (op #) = (op #)" |
47308 | 399 |
by (auto simp add: fun_eq_iff comp_def Quotient3_abs_rep [OF q]) |
35222
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
400 |
|
40820
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more systematic and compact proofs on type relation operators using natural deduction rules
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parents:
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diff
changeset
|
401 |
lemma cons_rsp [quot_respect]: |
47308 | 402 |
assumes q: "Quotient3 R Abs Rep" |
37492
ab36b1a50ca8
Replace 'list_rel' by 'list_all2'; they are equivalent.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
36812
diff
changeset
|
403 |
shows "(R ===> list_all2 R ===> list_all2 R) (op #) (op #)" |
40463 | 404 |
by auto |
35222
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
405 |
|
40820
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more systematic and compact proofs on type relation operators using natural deduction rules
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parents:
40463
diff
changeset
|
406 |
lemma nil_prs [quot_preserve]: |
47308 | 407 |
assumes q: "Quotient3 R Abs Rep" |
35222
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
408 |
shows "map Abs [] = []" |
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
409 |
by simp |
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
410 |
|
40820
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more systematic and compact proofs on type relation operators using natural deduction rules
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parents:
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diff
changeset
|
411 |
lemma nil_rsp [quot_respect]: |
47308 | 412 |
assumes q: "Quotient3 R Abs Rep" |
37492
ab36b1a50ca8
Replace 'list_rel' by 'list_all2'; they are equivalent.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
36812
diff
changeset
|
413 |
shows "list_all2 R [] []" |
35222
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
414 |
by simp |
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
415 |
|
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
416 |
lemma map_prs_aux: |
47308 | 417 |
assumes a: "Quotient3 R1 abs1 rep1" |
418 |
and b: "Quotient3 R2 abs2 rep2" |
|
35222
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
419 |
shows "(map abs2) (map ((abs1 ---> rep2) f) (map rep1 l)) = map f l" |
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
420 |
by (induct l) |
47308 | 421 |
(simp_all add: Quotient3_abs_rep[OF a] Quotient3_abs_rep[OF b]) |
35222
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
422 |
|
40820
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more systematic and compact proofs on type relation operators using natural deduction rules
haftmann
parents:
40463
diff
changeset
|
423 |
lemma map_prs [quot_preserve]: |
47308 | 424 |
assumes a: "Quotient3 R1 abs1 rep1" |
425 |
and b: "Quotient3 R2 abs2 rep2" |
|
35222
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
426 |
shows "((abs1 ---> rep2) ---> (map rep1) ---> (map abs2)) map = map" |
36216
8fb6cc6f3b94
respectfullness and preservation of map for identity quotients
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
36154
diff
changeset
|
427 |
and "((abs1 ---> id) ---> map rep1 ---> id) map = map" |
40463 | 428 |
by (simp_all only: fun_eq_iff map_prs_aux[OF a b] comp_def) |
47308 | 429 |
(simp_all add: Quotient3_abs_rep[OF a] Quotient3_abs_rep[OF b]) |
40463 | 430 |
|
40820
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more systematic and compact proofs on type relation operators using natural deduction rules
haftmann
parents:
40463
diff
changeset
|
431 |
lemma map_rsp [quot_respect]: |
47308 | 432 |
assumes q1: "Quotient3 R1 Abs1 Rep1" |
433 |
and q2: "Quotient3 R2 Abs2 Rep2" |
|
37492
ab36b1a50ca8
Replace 'list_rel' by 'list_all2'; they are equivalent.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
36812
diff
changeset
|
434 |
shows "((R1 ===> R2) ===> (list_all2 R1) ===> list_all2 R2) map map" |
ab36b1a50ca8
Replace 'list_rel' by 'list_all2'; they are equivalent.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
36812
diff
changeset
|
435 |
and "((R1 ===> op =) ===> (list_all2 R1) ===> op =) map map" |
47641
2cddc27a881f
new transfer package rules and lifting setup for lists
huffman
parents:
47634
diff
changeset
|
436 |
unfolding list_all2_eq [symmetric] by (rule map_transfer)+ |
35222
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
437 |
|
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
438 |
lemma foldr_prs_aux: |
47308 | 439 |
assumes a: "Quotient3 R1 abs1 rep1" |
440 |
and b: "Quotient3 R2 abs2 rep2" |
|
35222
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
441 |
shows "abs2 (foldr ((abs1 ---> abs2 ---> rep2) f) (map rep1 l) (rep2 e)) = foldr f l e" |
47308 | 442 |
by (induct l) (simp_all add: Quotient3_abs_rep[OF a] Quotient3_abs_rep[OF b]) |
35222
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
443 |
|
40820
fd9c98ead9a9
more systematic and compact proofs on type relation operators using natural deduction rules
haftmann
parents:
40463
diff
changeset
|
444 |
lemma foldr_prs [quot_preserve]: |
47308 | 445 |
assumes a: "Quotient3 R1 abs1 rep1" |
446 |
and b: "Quotient3 R2 abs2 rep2" |
|
35222
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
447 |
shows "((abs1 ---> abs2 ---> rep2) ---> (map rep1) ---> rep2 ---> abs2) foldr = foldr" |
40463 | 448 |
apply (simp add: fun_eq_iff) |
449 |
by (simp only: fun_eq_iff foldr_prs_aux[OF a b]) |
|
35222
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
450 |
(simp) |
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
451 |
|
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
452 |
lemma foldl_prs_aux: |
47308 | 453 |
assumes a: "Quotient3 R1 abs1 rep1" |
454 |
and b: "Quotient3 R2 abs2 rep2" |
|
35222
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
455 |
shows "abs1 (foldl ((abs1 ---> abs2 ---> rep1) f) (rep1 e) (map rep2 l)) = foldl f e l" |
47308 | 456 |
by (induct l arbitrary:e) (simp_all add: Quotient3_abs_rep[OF a] Quotient3_abs_rep[OF b]) |
35222
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
457 |
|
40820
fd9c98ead9a9
more systematic and compact proofs on type relation operators using natural deduction rules
haftmann
parents:
40463
diff
changeset
|
458 |
lemma foldl_prs [quot_preserve]: |
47308 | 459 |
assumes a: "Quotient3 R1 abs1 rep1" |
460 |
and b: "Quotient3 R2 abs2 rep2" |
|
35222
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
461 |
shows "((abs1 ---> abs2 ---> rep1) ---> rep1 ---> (map rep2) ---> abs1) foldl = foldl" |
40463 | 462 |
by (simp add: fun_eq_iff foldl_prs_aux [OF a b]) |
35222
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
463 |
|
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
464 |
(* induct_tac doesn't accept 'arbitrary', so we manually 'spec' *) |
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
465 |
lemma foldl_rsp[quot_respect]: |
47308 | 466 |
assumes q1: "Quotient3 R1 Abs1 Rep1" |
467 |
and q2: "Quotient3 R2 Abs2 Rep2" |
|
37492
ab36b1a50ca8
Replace 'list_rel' by 'list_all2'; they are equivalent.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
36812
diff
changeset
|
468 |
shows "((R1 ===> R2 ===> R1) ===> R1 ===> list_all2 R2 ===> R1) foldl foldl" |
47641
2cddc27a881f
new transfer package rules and lifting setup for lists
huffman
parents:
47634
diff
changeset
|
469 |
by (rule foldl_transfer) |
35222
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
470 |
|
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
471 |
lemma foldr_rsp[quot_respect]: |
47308 | 472 |
assumes q1: "Quotient3 R1 Abs1 Rep1" |
473 |
and q2: "Quotient3 R2 Abs2 Rep2" |
|
37492
ab36b1a50ca8
Replace 'list_rel' by 'list_all2'; they are equivalent.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
36812
diff
changeset
|
474 |
shows "((R1 ===> R2 ===> R2) ===> list_all2 R1 ===> R2 ===> R2) foldr foldr" |
47641
2cddc27a881f
new transfer package rules and lifting setup for lists
huffman
parents:
47634
diff
changeset
|
475 |
by (rule foldr_transfer) |
35222
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
476 |
|
37492
ab36b1a50ca8
Replace 'list_rel' by 'list_all2'; they are equivalent.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
36812
diff
changeset
|
477 |
lemma list_all2_rsp: |
36154
11c6106d7787
Respectfullness and preservation of list_rel
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
35788
diff
changeset
|
478 |
assumes r: "\<forall>x y. R x y \<longrightarrow> (\<forall>a b. R a b \<longrightarrow> S x a = T y b)" |
37492
ab36b1a50ca8
Replace 'list_rel' by 'list_all2'; they are equivalent.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
36812
diff
changeset
|
479 |
and l1: "list_all2 R x y" |
ab36b1a50ca8
Replace 'list_rel' by 'list_all2'; they are equivalent.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
36812
diff
changeset
|
480 |
and l2: "list_all2 R a b" |
ab36b1a50ca8
Replace 'list_rel' by 'list_all2'; they are equivalent.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
36812
diff
changeset
|
481 |
shows "list_all2 S x a = list_all2 T y b" |
45803
fe44c0b216ef
remove some duplicate lemmas, simplify some proofs
huffman
parents:
40820
diff
changeset
|
482 |
using l1 l2 |
fe44c0b216ef
remove some duplicate lemmas, simplify some proofs
huffman
parents:
40820
diff
changeset
|
483 |
by (induct arbitrary: a b rule: list_all2_induct, |
fe44c0b216ef
remove some duplicate lemmas, simplify some proofs
huffman
parents:
40820
diff
changeset
|
484 |
auto simp: list_all2_Cons1 list_all2_Cons2 r) |
36154
11c6106d7787
Respectfullness and preservation of list_rel
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
35788
diff
changeset
|
485 |
|
40820
fd9c98ead9a9
more systematic and compact proofs on type relation operators using natural deduction rules
haftmann
parents:
40463
diff
changeset
|
486 |
lemma [quot_respect]: |
37492
ab36b1a50ca8
Replace 'list_rel' by 'list_all2'; they are equivalent.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
36812
diff
changeset
|
487 |
"((R ===> R ===> op =) ===> list_all2 R ===> list_all2 R ===> op =) list_all2 list_all2" |
47641
2cddc27a881f
new transfer package rules and lifting setup for lists
huffman
parents:
47634
diff
changeset
|
488 |
by (rule list_all2_transfer) |
36154
11c6106d7787
Respectfullness and preservation of list_rel
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
35788
diff
changeset
|
489 |
|
40820
fd9c98ead9a9
more systematic and compact proofs on type relation operators using natural deduction rules
haftmann
parents:
40463
diff
changeset
|
490 |
lemma [quot_preserve]: |
47308 | 491 |
assumes a: "Quotient3 R abs1 rep1" |
37492
ab36b1a50ca8
Replace 'list_rel' by 'list_all2'; they are equivalent.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
36812
diff
changeset
|
492 |
shows "((abs1 ---> abs1 ---> id) ---> map rep1 ---> map rep1 ---> id) list_all2 = list_all2" |
39302
d7728f65b353
renamed lemmas: ext_iff -> fun_eq_iff, set_ext_iff -> set_eq_iff, set_ext -> set_eqI
nipkow
parents:
39198
diff
changeset
|
493 |
apply (simp add: fun_eq_iff) |
36154
11c6106d7787
Respectfullness and preservation of list_rel
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
35788
diff
changeset
|
494 |
apply clarify |
11c6106d7787
Respectfullness and preservation of list_rel
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
35788
diff
changeset
|
495 |
apply (induct_tac xa xb rule: list_induct2') |
47308 | 496 |
apply (simp_all add: Quotient3_abs_rep[OF a]) |
36154
11c6106d7787
Respectfullness and preservation of list_rel
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
35788
diff
changeset
|
497 |
done |
11c6106d7787
Respectfullness and preservation of list_rel
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
35788
diff
changeset
|
498 |
|
40820
fd9c98ead9a9
more systematic and compact proofs on type relation operators using natural deduction rules
haftmann
parents:
40463
diff
changeset
|
499 |
lemma [quot_preserve]: |
47308 | 500 |
assumes a: "Quotient3 R abs1 rep1" |
37492
ab36b1a50ca8
Replace 'list_rel' by 'list_all2'; they are equivalent.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
36812
diff
changeset
|
501 |
shows "(list_all2 ((rep1 ---> rep1 ---> id) R) l m) = (l = m)" |
47308 | 502 |
by (induct l m rule: list_induct2') (simp_all add: Quotient3_rel_rep[OF a]) |
36154
11c6106d7787
Respectfullness and preservation of list_rel
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
35788
diff
changeset
|
503 |
|
37492
ab36b1a50ca8
Replace 'list_rel' by 'list_all2'; they are equivalent.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
36812
diff
changeset
|
504 |
lemma list_all2_find_element: |
36276
92011cc923f5
fun_rel introduction and list_rel elimination for quotient package
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
36216
diff
changeset
|
505 |
assumes a: "x \<in> set a" |
37492
ab36b1a50ca8
Replace 'list_rel' by 'list_all2'; they are equivalent.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
36812
diff
changeset
|
506 |
and b: "list_all2 R a b" |
36276
92011cc923f5
fun_rel introduction and list_rel elimination for quotient package
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
36216
diff
changeset
|
507 |
shows "\<exists>y. (y \<in> set b \<and> R x y)" |
45803
fe44c0b216ef
remove some duplicate lemmas, simplify some proofs
huffman
parents:
40820
diff
changeset
|
508 |
using b a by induct auto |
36276
92011cc923f5
fun_rel introduction and list_rel elimination for quotient package
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
36216
diff
changeset
|
509 |
|
37492
ab36b1a50ca8
Replace 'list_rel' by 'list_all2'; they are equivalent.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
36812
diff
changeset
|
510 |
lemma list_all2_refl: |
35222
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
511 |
assumes a: "\<And>x y. R x y = (R x = R y)" |
37492
ab36b1a50ca8
Replace 'list_rel' by 'list_all2'; they are equivalent.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
36812
diff
changeset
|
512 |
shows "list_all2 R x x" |
35222
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
513 |
by (induct x) (auto simp add: a) |
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
514 |
|
4f1fba00f66d
Initial version of HOL quotient package.
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
diff
changeset
|
515 |
end |