diff options
Diffstat (limited to 'theories/Arith/Factorial.v')
| -rw-r--r-- | theories/Arith/Factorial.v | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/theories/Arith/Factorial.v b/theories/Arith/Factorial.v index ca176a6c67..1d1ee00af6 100644 --- a/theories/Arith/Factorial.v +++ b/theories/Arith/Factorial.v @@ -37,15 +37,15 @@ Apply lt_O_neq. Apply lt_O_fact. Qed. -Lemma fact_growing : (m,n:nat) (le m n) -> (le (fact m) (fact n)). +Lemma fact_growing : (n,m:nat) (le n m) -> (le (fact n) (fact m)). Proof. NewInduction 1. Apply le_n. -Assert (le (mult (S O) (fact m)) (mult (S m0) (fact m0))). +Assert (le (mult (S O) (fact n)) (mult (S m) (fact m))). Apply le_mult_mult. Apply lt_le_S; Apply lt_O_Sn. Assumption. -Simpl (mult (S O) (fact m)) in H0. +Simpl (mult (S O) (fact n)) in H0. Rewrite <- plus_n_O in H0. Assumption. Qed. |