aboutsummaryrefslogtreecommitdiff
path: root/src/algebra/strap/OUTFORM.lsp
diff options
context:
space:
mode:
Diffstat (limited to 'src/algebra/strap/OUTFORM.lsp')
-rw-r--r--src/algebra/strap/OUTFORM.lsp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/algebra/strap/OUTFORM.lsp b/src/algebra/strap/OUTFORM.lsp
index 4205b99e..c215d85f 100644
--- a/src/algebra/strap/OUTFORM.lsp
+++ b/src/algebra/strap/OUTFORM.lsp
@@ -817,7 +817,7 @@
(SEQ (LETT |r|
(SPADCALL
(PROG1 |nn|
- (|check-subtype| (< 0 |nn|)
+ (|check-subtype| (> |nn| 0)
'(|PositiveInteger|) |nn|))
(|getShellEntry| $ 137))
|OUTFORM;differentiate;$Nni$;97|)