title=OEF contraposition
description=collection d'exercices sur les contraposes / rciproques / ngations des assertions logiques.
author=XIAO Gang
address=xiao@unice.fr
copyright=&copy; 2002- (<a href=COPYING>GNU GPL</a>)
translator=
translator_address=
version=1.00
wims_version=3.10
language=fr
category=exercise, oef
level=H6, U1, U2
domain=logic
keywords=inverse
require=
scoring=yes

