Add simple trust

trustworthy-ai.tex

@@ -143,7 +143,18 @@ which the action takes place.
 
 \subsubsection{Simple Trust}
 
-
+is a non-cognitive form of trust and the least demanding form of trust in the
+incremental model. $X$ trusts $Y$ to perform an action $A$ to pursue the goal
+$G$ without requiring additional information about $Y$'s ability to generate a
+satisfactory outcome. In other words, $X$ \emph{depends} on $Y$ to perform an
+action. $X$ has no control over the process and also does not want to control it
+or the outcome. A lot of day-to-day interactions happen in some form or another
+under simple trust: we (simply) trust a stranger on the street to show us the
+right way when we are lost. Sometimes simple trust is unavoidable because of the
+trustor's inability to obtain additional information about the other party.
+Children, for example, have to simply trust adults not because they want to but
+out of necessity. This changes when they get older and develop their ability to
+better judge other people.
 
 \section{Taxonomy for Trustworthy AI}
 \label{sec:taxonomy}