diff --git a/standards/standards.tex b/standards/standards.tex
index 58bf958..6d4e803 100644
--- a/standards/standards.tex
+++ b/standards/standards.tex
@@ -46,6 +46,9 @@ Different agencies - approval is testing of new product
 and verification to standard - manufacturing overwatch / supervision
 word on tip of tounge -
 
+\section{ Safety Goals and safety Requirements}
+
+$$ \forall S_{req} \longrightarrow S_{goal} $$
 \section{European or `EN' Standards}
 
 \subsection{Scope}