diff options
| -rw-r--r-- | contrib/fourier/fourierR.ml | 2 | ||||
| -rw-r--r-- | theories/ZArith/Zdiv.v | 8 |
2 files changed, 9 insertions, 1 deletions
diff --git a/contrib/fourier/fourierR.ml b/contrib/fourier/fourierR.ml index b3e141822..74a58b11d 100644 --- a/contrib/fourier/fourierR.ml +++ b/contrib/fourier/fourierR.ml @@ -436,7 +436,7 @@ let rec fourier gl= let res=fourier_lineq (!lineq) in let tac=ref tclIDTAC in if res=[] - then (print_string "Tactic Fourier fails."; + then (print_string "Tactic Fourier fails.\n"; flush stdout) (* l'algorithme de Fourier a réussi: on va en tirer une preuve Coq *) else (match res with diff --git a/theories/ZArith/Zdiv.v b/theories/ZArith/Zdiv.v index d3aa637bb..b7876f340 100644 --- a/theories/ZArith/Zdiv.v +++ b/theories/ZArith/Zdiv.v @@ -181,6 +181,14 @@ Intros. Absurd `(NEG p)>0`; [ Generalize (NEG_lt_ZERO p); Omega | Omega ]. Qed. +Theorem Z_div_mod_eq : (a,b:Z)`b > 0` -> `a = b * (Zdiv a b) + (Zmod a b)`. +Proof. +Unfold Zdiv Zmod. +Intros a b Hb. +Generalize (Z_div_mod a b Hb). +Pattern (Zdiv_eucl a b). +Case (Zdiv_eucl); Tauto. +Save. (** Existence theorems *) |