diff options
| author |  herbelin <herbelin@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2001-08-05 19:04:16 +0000 |
|---|---|---|
| committer | herbelin <herbelin@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2001-08-05 19:04:16 +0000 |
| commit | 83c56744d7e232abeb5f23e6d0f23cd0abc14a9c (patch) | |
| tree | 6d7d4c2ce3bb159b8f81a4193abde1e3573c28d4 /theories/ZArith/Wf_Z.v | |
| parent | f7351ff222bad0cc906dbee3c06b20babf920100 (diff) | |
Expérimentation de NewDestruct et parfois NewInduction
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@1880 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'theories/ZArith/Wf_Z.v')
| -rw-r--r-- | theories/ZArith/Wf_Z.v | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/theories/ZArith/Wf_Z.v b/theories/ZArith/Wf_Z.v index 27c760194..65571855e 100644 --- a/theories/ZArith/Wf_Z.v +++ b/theories/ZArith/Wf_Z.v @@ -35,11 +35,11 @@ Require Zsyntax. Lemma inject_nat_complete : (x:Z)`0 <= x` -> (EX n:nat | x=(inject_nat n)). -Destruct x; Intros; +NewDestruct x; Intros; [ Exists O; Auto with arith | Specialize (ZL4 p); Intros Hp; Elim Hp; Intros; - Exists (S x0); Intros; Simpl; - Specialize (bij1 x0); Intro Hx0; + Exists (S x); Intros; Simpl; + Specialize (bij1 x); Intro Hx0; Rewrite <- H0 in Hx0; Apply f_equal with f:=POS; Apply convert_intro; Auto with arith @@ -61,7 +61,7 @@ Save. Lemma inject_nat_complete_inf : (x:Z)`0 <= x` -> { n:nat | (x=(inject_nat n)) }. -Destruct x; Intros; +NewDestruct x; Intros; [ Exists O; Auto with arith | Specialize (ZL4_inf p); Intros Hp; Elim Hp; Intros x0 H0; Exists (S x0); Intros; Simpl; |