You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
23 lines
380 B
23 lines
380 B
\begin{center}
|
|
\begin{forest}
|
|
for tree={circle, draw,
|
|
minimum size=2em,
|
|
inner sep=0pt,
|
|
s sep=2mm,
|
|
l sep=1mm}
|
|
[$\imp$
|
|
[$\lor$
|
|
[$a$]
|
|
[$b$]
|
|
]
|
|
[$\neg$
|
|
[$x$
|
|
[$\neg$]
|
|
]
|
|
]
|
|
]
|
|
\end{forest}
|
|
\end{center}
|
|
|
|
One leaf is labeled with a logical operator, which is not allowed.
|
|
Thus this is not a well-formed formula.
|