diff options
| author | Masaya Tojo <masaya@tojo.tokyo> | 2020-11-09 02:56:59 +0900 |
|---|---|---|
| committer | Masaya Tojo <masaya@tojo.tokyo> | 2020-11-09 02:56:59 +0900 |
| commit | 7a238e7df0c9c7c684b7f761f495b21aa088bd68 (patch) | |
| tree | 299eb84b8706557655a6ea01d32ab37ec94d2789 /rabbit-prover/primitive.scm | |
| parent | 51b6399599676a5c1a9c6cb27be88a1381f7af8a (diff) | |
wip10
Diffstat (limited to 'rabbit-prover/primitive.scm')
| -rw-r--r-- | rabbit-prover/primitive.scm | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/rabbit-prover/primitive.scm b/rabbit-prover/primitive.scm deleted file mode 100644 index e20406e..0000000 --- a/rabbit-prover/primitive.scm +++ /dev/null @@ -1,25 +0,0 @@ -;;; Rabbit Prover --- Prove S-expression -;;; Copyright © 2020 Masaya Tojo <masaya@tojo.tokyo> -;;; -;;; This file is part of Rabbit Prover. -;;; -;;; Rabbit Prover is free software; you can redistribute it and/or modify it -;;; under the terms of the GNU General Public License as published by -;;; the Free Software Foundation; either version 3 of the License, or -;;; (at your option) any later version. -;;; -;;; Rabbit Prover is distributed in the hope that it will be useful, but -;;; WITHOUT ANY WARRANTY; without even the implied warranty of -;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -;;; General Public License for more details. -;;; -;;; You should have received a copy of the GNU General Public License -;;; along with Rabbit Prover. If not, see <http://www.gnu.org/licenses/>. - -(define-module (rabbit-prover primitive) - #:export (natural?)) - -;; (natural? x) -> boolean? -(define (natural? x) - (and (integer? x) - (not (negative? x)))) |