false. When this happens, the second argument or then-part of the
overall @code{if} expression is @emph{not} evaluated, but the third or
else-part @emph{is} evaluated. You might think of this as the cloudy
-day alternative for the decision `if it is warm and sunny, then go to
+day alternative for the decision ``if it is warm and sunny, then go to
the beach, else read a book!''.
The word ``else'' is not written in the Lisp code; the else-part of an