diff options
Diffstat (limited to 'theories/Ints/num/Q0Make.v')
| -rw-r--r-- | theories/Ints/num/Q0Make.v | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/theories/Ints/num/Q0Make.v b/theories/Ints/num/Q0Make.v index c39a63301a..d5809ea591 100644 --- a/theories/Ints/num/Q0Make.v +++ b/theories/Ints/num/Q0Make.v @@ -1,7 +1,15 @@ +(************************************************************************) +(* v * The Coq Proof Assistant / The Coq Development Team *) +(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *) +(* \VV/ **************************************************************) +(* // * This file is distributed under the terms of the *) +(* * GNU Lesser General Public License Version 2.1 *) +(************************************************************************) + Require Import Bool. Require Import ZArith. Require Import Znumtheory. -Require Import ZAux. +Require Import Zaux. Require Import Arith. Require Export BigN. Require Export BigZ. @@ -12,11 +20,10 @@ Require Import QMake_base. Module Q0. - (* Troisieme solution : - 0 a de nombreuse representation : - 0, -0, 1/0, ... n/0, - il faut alors faire attention avec la comparaison et l'addition - *) + (** The notation of a rational number is either an integer x, + interpreted as itself or a pair (x,y) of an integer x and a naturel + number y interpreted as x/y. The pairs (x,0) and (0,y) are all + interpreted as 0. *) Definition t := q_type. |