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Diffstat (limited to 'test-suite/success/ROmega.v')
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diff --git a/test-suite/success/ROmega.v b/test-suite/success/ROmega.v new file mode 100644 index 00000000..04b666ed --- /dev/null +++ b/test-suite/success/ROmega.v @@ -0,0 +1,98 @@ + +Require Import ZArith ROmega. + +(* Submitted by Xavier Urbain 18 Jan 2002 *) + +Lemma lem1 : + forall x y : Z, (-5 < x < 5)%Z -> (-5 < y)%Z -> (-5 < x + y + 5)%Z. +Proof. +intros x y. + (*romega.*) +Admitted. + +(* Proposed by Pierre Crégut *) + +Lemma lem2 : forall x : Z, (x < 4)%Z -> (x > 2)%Z -> x = 3%Z. +intro. + romega. +Qed. + +(* Proposed by Jean-Christophe Filliâtre *) + +Lemma lem3 : forall x y : Z, x = y -> (x + x)%Z = (y + y)%Z. +Proof. +intros. + (*romega.*) +Admitted. + +(* Proposed by Jean-Christophe Filliâtre: confusion between an Omega *) +(* internal variable and a section variable (June 2001) *) + +Section A. +Variable x y : Z. +Hypothesis H : (x > y)%Z. +Lemma lem4 : (x > y)%Z. + romega. +Qed. +End A. + +(* Proposed by Yves Bertot: because a section var, L was wrongly renamed L0 *) +(* May 2002 *) + +Section B. +Variable R1 R2 S1 S2 H S : Z. +Hypothesis I : (R1 < 0)%Z -> R2 = (R1 + (2 * S1 - 1))%Z. +Hypothesis J : (R1 < 0)%Z -> S2 = (S1 - 1)%Z. +Hypothesis K : (R1 >= 0)%Z -> R2 = R1. +Hypothesis L : (R1 >= 0)%Z -> S2 = S1. +Hypothesis M : (H <= 2 * S)%Z. +Hypothesis N : (S < H)%Z. +Lemma lem5 : (H > 0)%Z. + romega. +Qed. +End B. + +(* From Nicolas Oury (bug #180): handling -> on Set (fixed Oct 2002) *) +Lemma lem6 : + forall (A : Set) (i : Z), (i <= 0)%Z -> ((i <= 0)%Z -> A) -> (i <= 0)%Z. +intros. + romega. +Qed. + +(* Adapted from an example in Nijmegen/FTA/ftc/RefSeparating (Oct 2002) *) +Require Import Omega. +Section C. +Parameter g : forall m : nat, m <> 0 -> Prop. +Parameter f : forall (m : nat) (H : m <> 0), g m H. +Variable n : nat. +Variable ap_n : n <> 0. +Let delta := f n ap_n. +Lemma lem7 : n = n. + (*romega.*) (*ROMEGA CANT DEAL WITH NAT*) +Admitted. +End C. + +(* Problem of dependencies *) +Require Import Omega. +Lemma lem8 : forall H : 0 = 0 -> 0 = 0, H = H -> 0 = 0. +intros. +(* romega.*) (*ROMEGA CANT DEAL WITH NAT*) +Admitted. + +(* Bug that what caused by the use of intro_using in Omega *) +Require Import Omega. +Lemma lem9 : + forall p q : nat, ~ (p <= q /\ p < q \/ q <= p /\ p < q) -> p < p \/ p <= p. +intros. +(* romega.*)(*ROMEGA CANT DEAL WITH NAT*) +Admitted. + +(* Check that the interpretation of mult on nat enforces its positivity *) +(* Submitted by Hubert Thierry (bug #743) *) +(* Postponed... problem with goals of the form "(n*m=0)%nat -> (n*m=0)%Z" +Require Omega. +Lemma lem10 : (n, m : nat) (le n (plus n (mult n m))). +Proof. +Intros; Omega. +Qed. +*) |