Mise en forme des theories

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@9245 85f007b7-540e-0410-9357-904b9bb8a0f7

1 files changed, 16 insertions, 16 deletions

diff --git a/theories/Arith/Factorial.v b/theories/Arith/Factorial.v
index 9f7de8503..8c5315624 100644
--- a/theories/Arith/Factorial.v
+++ b/theories/Arith/Factorial.v
@@ -17,34 +17,34 @@ Open Local Scope nat_scope.
 
 Boxed Fixpoint fact (n:nat) : nat :=
   match n with
-  | O => 1
-  | S n => S n * fact n
+    | O => 1
+    | S n => S n * fact n
   end.
 
 Arguments Scope fact [nat_scope].
 
 Lemma lt_O_fact : forall n:nat, 0 < fact n.
 Proof.
-simple induction n; unfold lt in |- *; simpl in |- *; auto with arith.
+  simple induction n; unfold lt in |- *; simpl in |- *; auto with arith.
 Qed.
 
 Lemma fact_neq_0 : forall n:nat, fact n <> 0.
 Proof.
-intro.
-apply sym_not_eq.
-apply lt_O_neq.
-apply lt_O_fact.
+  intro.
+  apply sym_not_eq.
+  apply lt_O_neq.
+  apply lt_O_fact.
 Qed.
 
 Lemma fact_le : forall n m:nat, n <= m -> fact n <= fact m.
 Proof.
-induction 1.
-apply le_n.
-assert (1 * fact n <= S m * fact m).
-apply mult_le_compat.
-apply lt_le_S; apply lt_O_Sn.
-assumption.
-simpl (1 * fact n) in H0.
-rewrite <- plus_n_O in H0.
-assumption.
+  induction 1.
+  apply le_n.
+  assert (1 * fact n <= S m * fact m).
+  apply mult_le_compat.
+  apply lt_le_S; apply lt_O_Sn.
+  assumption.
+  simpl (1 * fact n) in H0.
+  rewrite <- plus_n_O in H0.
+  assumption.
 Qed.