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.
 
 

14 lines
349 B

\begin{logicproof}{1}
p \imp q & \prem \\
\neg p \vee p & $\LEM$ \\
\begin{subproof}
\neg p & \assum \\
\neg p \lor q & $\ori{1} 3$
\end{subproof}
\begin{subproof}
p & \assum \\
q & $\imp$e 1,5 \\
\neg p \lor q & $\ori{2} 6$
\end{subproof}
\neg p \lor q & $\ore 2,3-5,5-7$
\end{logicproof}