src/HOL/Vimage.thy
author paulson
Tue, 04 Aug 1998 16:06:55 +0200
changeset 5242 3087dafb70ec
parent 4648 f04da668581c
child 7515 0c05469cad57
permissions -rw-r--r--
Renamed equals0D to equals0E

Vimage = Set +

consts
  "-``"          :: ['a => 'b, 'b set] => ('a set)   (infixr 90)

defs
  vimage_def     "f-``B           == {x. f(x) : B}"

end