X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?a=blobdiff_plain;f=create-base.tex;h=778999423bfa6adc7692cea9d84844adf97dd3c9;hb=dbc2fa88cece12d33ca5788ad5d359f77676a802;hp=e564623868465dc31ec2739dcc54f3d7b7bd3d43;hpb=3a480476887e4dfb10fbb3585adfc8b04d16859d;p=topbloke-formulae.git

diff --git a/create-base.tex b/create-base.tex
index e564623..7789994 100644
--- a/create-base.tex
+++ b/create-base.tex
@@ -41,8 +41,8 @@ Consider some $D \in \py$.
 $B \not\in \py$ so $D \neq B$.  So $D \isin B \equiv D \isin L$
 and $D \le B \equiv D \le L$.
 
-Thus $L \haspatch \p \implies B \haspatch P$
-and $L \nothaspatch \p \implies B \nothaspatch P$.
+Thus $L \haspatch \p \equiv B \haspatch P$
+and $L \nothaspatch \p \equiv B \nothaspatch P$.
 
 $\qed$