| 30330 |      1 | (* Author: Florian Haftmann, TU Muenchen *)
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|  |      2 | 
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|  |      3 | header {* Pretty syntax for lattice operations *}
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|  |      4 | 
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|  |      5 | theory Lattice_Syntax
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| 32139 |      6 | imports Complete_Lattice
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| 30330 |      7 | begin
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|  |      8 | 
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|  |      9 | notation
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| 41082 |     10 |   bot ("\<bottom>") and
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| 32139 |     11 |   top ("\<top>") and
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| 30330 |     12 |   inf  (infixl "\<sqinter>" 70) and
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|  |     13 |   sup  (infixl "\<squnion>" 65) and
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|  |     14 |   Inf  ("\<Sqinter>_" [900] 900) and
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| 32139 |     15 |   Sup  ("\<Squnion>_" [900] 900)
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| 30330 |     16 | 
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| 41080 |     17 | syntax (xsymbols)
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| 41082 |     18 |   "_INF1"     :: "pttrns \<Rightarrow> 'b \<Rightarrow> 'b"           ("(3\<Sqinter>_./ _)" [0, 10] 10)
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|  |     19 |   "_INF"      :: "pttrn \<Rightarrow> 'a set \<Rightarrow> 'b \<Rightarrow> 'b"  ("(3\<Sqinter>_\<in>_./ _)" [0, 0, 10] 10)
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| 41080 |     20 |   "_SUP1"     :: "pttrns \<Rightarrow> 'b \<Rightarrow> 'b"           ("(3\<Squnion>_./ _)" [0, 10] 10)
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|  |     21 |   "_SUP"      :: "pttrn \<Rightarrow> 'a set \<Rightarrow> 'b \<Rightarrow> 'b"  ("(3\<Squnion>_\<in>_./ _)" [0, 0, 10] 10)
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|  |     22 | 
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| 30331 |     23 | end
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