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why3/lib/pvs/int/Abs.pvs
Jean-Christophe Filliatre f607ce26bf PVS realizations updated
2013-04-25 17:01:55 +02:00

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Abs: THEORY
BEGIN
IMPORTING Int
% do not edit above this line
% Why3 abs_le
abs_le: LEMMA FORALL (x:int, y:int): (abs(x) <= y) <=> (((-y) <= x) AND
(x <= y))
% Obsolete chunk abs_pos
% abs_pos: LEMMA FORALL (x:int): (abs1(x) >= 0)
END Abs