increased timout

diff --git a/helm/software/matita/library/demo/power_derivative.ma b/helm/software/matita/library/demo/power_derivative.ma
index 0526a016342797139d3bc850eeb2311b923b54ca..e910c8b6a715c4b89beee7fb220659bd0aea9ec5 100644 (file)
--- a/helm/software/matita/library/demo/power_derivative.ma
+++ b/helm/software/matita/library/demo/power_derivative.ma
@@ -283,7 +283,7 @@ theorem derivative_power: ∀n:nat. D[x \sup n] = n·x \sup (pred n).
 clear H.
    = (x \sup m + m · (x \sup (1 + pred m))) by _.
    = (x \sup m + m · x \sup m) by _.
-   = ((1+m) · x \sup m) by _ (timeout=60)
+   = ((1+m) · x \sup m) by _ (timeout=120)
   done.
 qed.
 
@@ -327,4 +327,4 @@ clear H.
    = (x \sup (1+m) + costante (1+m) · x \sup (1+m)) by _.
    = (x \sup (1+m) · (costante (2 + m))) by _
   done.
-qed.
\ No newline at end of file
+qed.