fix wrong symbols in simple

[topbloke-formulae.git] / create-base.tex

diff --git a/create-base.tex b/create-base.tex
index b429e40b931681edfdefe822de1429a7f00ae37c..778999423bfa6adc7692cea9d84844adf97dd3c9 100644 (file)
--- a/create-base.tex
+++ b/create-base.tex
@@ -41,10 +41,10 @@ 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 $L \nothaspatch \p \equiv B \nothaspatch P$.
 
-$\qed$.
+$\qed$
 
 \subsection{Foreign Inclusion}