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authorGravatar Samuel Mimram <samuel.mimram@ens-lyon.org>2004-07-28 21:54:47 +0000
committerGravatar Samuel Mimram <samuel.mimram@ens-lyon.org>2004-07-28 21:54:47 +0000
commit6b649aba925b6f7462da07599fe67ebb12a3460e (patch)
tree43656bcaa51164548f3fa14e5b10de5ef1088574 /test-suite/success/Fourier.v
Imported Upstream version 8.0pl1upstream/8.0pl1
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+Require Rfunctions.
+Require Fourier.
+
+Lemma l1:
+ (x, y, z : R)
+ ``(Rabsolu x-z) <= (Rabsolu x-y)+(Rabsolu y-z)``.
+Intros; SplitAbsolu; Fourier.
+Qed.
+
+Lemma l2:
+ (x, y : R)
+ ``x < (Rabsolu y)`` ->
+ ``y < 1`` -> ``x >= 0`` -> ``-y <= 1`` -> ``(Rabsolu x) <= 1``.
+Intros.
+SplitAbsolu; Fourier.
+Qed.