| author | huffman | 
| Mon, 14 Jan 2008 19:25:21 +0100 | |
| changeset 25902 | c00823ce7288 | 
| parent 25705 | 45a2ffc5911e | 
| child 31723 | f5cafe803b55 | 
| permissions | -rw-r--r-- | 
| 
4870
 
cc36acb5b114
Extensible records with structural subtyping in HOL.  See
 
wenzelm 
parents:  
diff
changeset
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(* Title: HOL/Record.thy  | 
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cc36acb5b114
Extensible records with structural subtyping in HOL.  See
 
wenzelm 
parents:  
diff
changeset
 | 
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ID: $Id$  | 
| 16114 | 3  | 
Author: Wolfgang Naraschewski, Norbert Schirmer and Markus Wenzel, TU Muenchen  | 
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4870
 
cc36acb5b114
Extensible records with structural subtyping in HOL.  See
 
wenzelm 
parents:  
diff
changeset
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*)  | 
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cc36acb5b114
Extensible records with structural subtyping in HOL.  See
 
wenzelm 
parents:  
diff
changeset
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header {* Extensible records with structural subtyping *}
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theory Record  | 
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imports Product_Type  | 
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uses ("Tools/record_package.ML")
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begin  | 
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4870
 
cc36acb5b114
Extensible records with structural subtyping in HOL.  See
 
wenzelm 
parents:  
diff
changeset
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12  | 
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14700
 
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
 
schirmer 
parents: 
14080 
diff
changeset
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lemma prop_subst: "s = t \<Longrightarrow> PROP P t \<Longrightarrow> PROP P s"  | 
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2f885b7e5ba7
reimplementation of HOL records; only one type is created for
 
schirmer 
parents: 
14080 
diff
changeset
 | 
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by simp  | 
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14700
 
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
 
schirmer 
parents: 
14080 
diff
changeset
 | 
16  | 
lemma rec_UNIV_I: "\<And>x. x\<in>UNIV \<equiv> True"  | 
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2f885b7e5ba7
reimplementation of HOL records; only one type is created for
 
schirmer 
parents: 
14080 
diff
changeset
 | 
17  | 
by simp  | 
| 11826 | 18  | 
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| 
14700
 
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
 
schirmer 
parents: 
14080 
diff
changeset
 | 
19  | 
lemma rec_True_simp: "(True \<Longrightarrow> PROP P) \<equiv> PROP P"  | 
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2f885b7e5ba7
reimplementation of HOL records; only one type is created for
 
schirmer 
parents: 
14080 
diff
changeset
 | 
20  | 
by simp  | 
| 
14080
 
9a50427d7165
Added split_paired_All rule for splitting variables bound by
 
berghofe 
parents: 
13421 
diff
changeset
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lemma K_record_comp: "(\<lambda>x. c) \<circ> f = (\<lambda>x. c)"  | 
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by (simp add: comp_def)  | 
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subsection {* Concrete record syntax *}
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4870
 
cc36acb5b114
Extensible records with structural subtyping in HOL.  See
 
wenzelm 
parents:  
diff
changeset
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cc36acb5b114
Extensible records with structural subtyping in HOL.  See
 
wenzelm 
parents:  
diff
changeset
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nonterminals  | 
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ident field_type field_types field fields update updates  | 
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4870
 
cc36acb5b114
Extensible records with structural subtyping in HOL.  See
 
wenzelm 
parents:  
diff
changeset
 | 
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syntax  | 
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  "_constify"           :: "id => ident"                        ("_")
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  "_constify"           :: "longid => ident"                    ("_")
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  "_field_type"         :: "[ident, type] => field_type"        ("(2_ ::/ _)")
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  ""                    :: "field_type => field_types"          ("_")
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  "_field_types"        :: "[field_type, field_types] => field_types"    ("_,/ _")
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  "_record_type"        :: "field_types => type"                ("(3'(| _ |'))")
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  "_record_type_scheme" :: "[field_types, type] => type"        ("(3'(| _,/ (2... ::/ _) |'))")
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  "_field"              :: "[ident, 'a] => field"               ("(2_ =/ _)")
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  ""                    :: "field => fields"                    ("_")
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  "_fields"             :: "[field, fields] => fields"          ("_,/ _")
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  "_record"             :: "fields => 'a"                       ("(3'(| _ |'))")
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  "_record_scheme"      :: "[fields, 'a] => 'a"                 ("(3'(| _,/ (2... =/ _) |'))")
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"_update_name" :: idt  | 
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  "_update"             :: "[ident, 'a] => update"              ("(2_ :=/ _)")
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  ""                    :: "update => updates"                  ("_")
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  "_updates"            :: "[update, updates] => updates"       ("_,/ _")
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  "_record_update"      :: "['a, updates] => 'b"                ("_/(3'(| _ |'))" [900,0] 900)
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4870
 
cc36acb5b114
Extensible records with structural subtyping in HOL.  See
 
wenzelm 
parents:  
diff
changeset
 | 
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syntax (xsymbols)  | 
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  "_record_type"        :: "field_types => type"                ("(3\<lparr>_\<rparr>)")
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  "_record_type_scheme" :: "[field_types, type] => type"        ("(3\<lparr>_,/ (2\<dots> ::/ _)\<rparr>)")
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  "_record"             :: "fields => 'a"                               ("(3\<lparr>_\<rparr>)")
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  "_record_scheme"      :: "[fields, 'a] => 'a"                 ("(3\<lparr>_,/ (2\<dots> =/ _)\<rparr>)")
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  "_record_update"      :: "['a, updates] => 'b"                ("_/(3\<lparr>_\<rparr>)" [900,0] 900)
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use "Tools/record_package.ML"  | 
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setup RecordPackage.setup  | 
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4870
 
cc36acb5b114
Extensible records with structural subtyping in HOL.  See
 
wenzelm 
parents:  
diff
changeset
 | 
62  | 
end  |