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-rw-r--r--doc/refsheet.tex2
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/refsheet.tex b/doc/refsheet.tex
index 38ed825..fd63291 100644
--- a/doc/refsheet.tex
+++ b/doc/refsheet.tex
@@ -137,7 +137,7 @@ Unless specified otherwise, all times are of type {\tt z\_t}.
\entry {zodd(a)} {Is $a$ odd?} {returns {\tt int} 1 (true) or 0 (false)}
\entry {zodd\_nonzero(a)} {Is $a$ odd?} {ditto, assumes $a \neq 0$}
\entry {zzero(a)} {Is $a$ zero?} {returns {\tt int} 1 (true) or 0 (false)}
-\entry {zgcd(a, b, c)} {$a \gets \gcd(c, b)$} {$a < 0$ iff $b < 0 \wedge c < 0$}
+\entry {zgcd(a, b, c)} {$a \gets \gcd(c, b)$} {$a < 0$ if $b < 0 \wedge c < 0$}
\entryFive{zptest(a, b, c)} {Is $b$ a prime?} {{\tt c} runs of Miller--Rabin, returns}
{{\tt enum zprimality} {\tt NONPRIME} (0)}
{(and stores the witness in {\tt a} unless}