diff options
Diffstat (limited to 'vikalpa/primitive.scm')
| -rw-r--r-- | vikalpa/primitive.scm | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/vikalpa/primitive.scm b/vikalpa/primitive.scm deleted file mode 100644 index bcbced5..0000000 --- a/vikalpa/primitive.scm +++ /dev/null @@ -1,25 +0,0 @@ -;;; Vikalpa --- Proof Assistant -;;; Copyright © 2020 Masaya Tojo <masaya@tojo.tokyo> -;;; -;;; This file is part of Vikalpa. -;;; -;;; Vikalpa 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. -;;; -;;; Vikalpa 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 Vikalpa. If not, see <http://www.gnu.org/licenses/>. - -(define-module (vikalpa primitive) - #:export (natural?)) - -;; (natural? x) -> boolean? -(define (natural? x) - (and (integer? x) - (not (negative? x)))) |