src/HOL/SetInterval.thy
changeset 8924 c434283b4cfa
child 8957 26b6e8f43305
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/HOL/SetInterval.thy	Tue May 23 07:32:24 2000 +0200
     1.3 @@ -0,0 +1,24 @@
     1.4 +(*  Title:      HOL/SetInterval.thy
     1.5 +    ID:         $Id$
     1.6 +    Author:     Tobias Nipkow
     1.7 +    Copyright   1998  TU Muenchen
     1.8 +
     1.9 +lessThan, greaterThan, atLeast, atMost
    1.10 +*)
    1.11 +
    1.12 +SetInterval = equalities +
    1.13 +
    1.14 +constdefs
    1.15 + lessThan    :: "('a::ord) => 'a set"	("(1{.._'(})")
    1.16 +"{..u(} == {x. x<u}"
    1.17 +
    1.18 + atMost      :: "('a::ord) => 'a set"	("(1{.._})")
    1.19 +"{..u} == {x. x<=u}"
    1.20 +
    1.21 + greaterThan :: "('a::ord) => 'a set"	("(1{')_..})")
    1.22 +"{)l..} == {x. l<x}"
    1.23 +
    1.24 + atLeast     :: "('a::ord) => 'a set"	("(1{_..})")
    1.25 +"{l..} == {x. l<=x}"
    1.26 +
    1.27 +end