diff options
Diffstat (limited to 'theories/Wellfounded/Disjoint_Union.v')
| -rw-r--r-- | theories/Wellfounded/Disjoint_Union.v | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/theories/Wellfounded/Disjoint_Union.v b/theories/Wellfounded/Disjoint_Union.v index f5daa3014..ec0dfeb81 100644 --- a/theories/Wellfounded/Disjoint_Union.v +++ b/theories/Wellfounded/Disjoint_Union.v @@ -41,7 +41,7 @@ Section Wf_Disjoint_Union. well_founded leA -> well_founded leB -> well_founded Le_AsB. Proof. intros. - unfold well_founded in |- *. + unfold well_founded. destruct a as [a| b]. apply (acc_A_sum a). apply (H a). |