diff --git a/component_failure_modes_definition/component_failure_modes_definition.tex b/component_failure_modes_definition/component_failure_modes_definition.tex
index 9fc0d8f..233d823 100644
--- a/component_failure_modes_definition/component_failure_modes_definition.tex
+++ b/component_failure_modes_definition/component_failure_modes_definition.tex
@@ -56,7 +56,7 @@ Thus for the set $F$ to exist in $U$ the following condition must be true.
 
 \begin{equation}
 \label{unitarystate_def}
- F \in U | f \in F \wedge active(f) \wedge f1 \in \wedge  \neq f  \wedge \neg active(f1) 
+ F \in U | f \in F \wedge active(f) \wedge f1 \in F \wedge  f1 \neq f  \wedge \neg active(f1) 
 \end{equation}
 
 As an example the resistor $R$