User:Lord Farin/Tableau Proof Rules/Implication

Implication
Given $p \vdash q$, we have also $p \implies q$.


 * align="right" | $j$ ||
 * align="right" | $I,$ but NOT $i$
 * $p \implies q$
 * Rule of Implication: $\implies \mathcal I$
 * $i .. i'$
 * $i .. i'$