src/HOL/Library/Lattice_Syntax.thy
author haftmann
Fri Mar 22 19:18:08 2019 +0000 (4 months ago)
changeset 69946 494934c30f38
parent 68980 5717fbc55521
permissions -rw-r--r--
improved code equations taken over from AFP
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(* Author: Florian Haftmann, TU Muenchen *)
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section \<open>Pretty syntax for lattice operations\<close>
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theory Lattice_Syntax
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imports Main
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begin
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notation
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  bot ("\<bottom>") and
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  top ("\<top>") and
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  inf  (infixl "\<sqinter>" 70) and
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  sup  (infixl "\<squnion>" 65) and
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  Inf  ("\<Sqinter> _" [900] 900) and
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  Sup  ("\<Squnion> _" [900] 900)
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syntax
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  "_INF1"     :: "pttrns \<Rightarrow> 'b \<Rightarrow> 'b"           ("(3\<Sqinter>_./ _)" [0, 10] 10)
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  "_INF"      :: "pttrn \<Rightarrow> 'a set \<Rightarrow> 'b \<Rightarrow> 'b"  ("(3\<Sqinter>_\<in>_./ _)" [0, 0, 10] 10)
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  "_SUP1"     :: "pttrns \<Rightarrow> 'b \<Rightarrow> 'b"           ("(3\<Squnion>_./ _)" [0, 10] 10)
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  "_SUP"      :: "pttrn \<Rightarrow> 'a set \<Rightarrow> 'b \<Rightarrow> 'b"  ("(3\<Squnion>_\<in>_./ _)" [0, 0, 10] 10)
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end