src/HOL/Library/Lattice_Syntax.thy
author Christian Sternagel
Wed Aug 29 12:23:14 2012 +0900 (2012-08-29)
changeset 49083 01081bca31b6
parent 44860 56101fa00193
child 58881 b9556a055632
permissions -rw-r--r--
dropped ord and bot instance for list prefixes (use locale interpretation instead, which allows users to decide what order to use on lists)
     1 (* Author: Florian Haftmann, TU Muenchen *)
     2 
     3 header {* Pretty syntax for lattice operations *}
     4 
     5 theory Lattice_Syntax
     6 imports Complete_Lattices
     7 begin
     8 
     9 notation
    10   bot ("\<bottom>") and
    11   top ("\<top>") and
    12   inf  (infixl "\<sqinter>" 70) and
    13   sup  (infixl "\<squnion>" 65) and
    14   Inf  ("\<Sqinter>_" [900] 900) and
    15   Sup  ("\<Squnion>_" [900] 900)
    16 
    17 syntax (xsymbols)
    18   "_INF1"     :: "pttrns \<Rightarrow> 'b \<Rightarrow> 'b"           ("(3\<Sqinter>_./ _)" [0, 10] 10)
    19   "_INF"      :: "pttrn \<Rightarrow> 'a set \<Rightarrow> 'b \<Rightarrow> 'b"  ("(3\<Sqinter>_\<in>_./ _)" [0, 0, 10] 10)
    20   "_SUP1"     :: "pttrns \<Rightarrow> 'b \<Rightarrow> 'b"           ("(3\<Squnion>_./ _)" [0, 10] 10)
    21   "_SUP"      :: "pttrn \<Rightarrow> 'a set \<Rightarrow> 'b \<Rightarrow> 'b"  ("(3\<Squnion>_\<in>_./ _)" [0, 0, 10] 10)
    22 
    23 end