Theorem
exp41
An exportation inference. (Contributed by NM, 26-Apr-1994.)
Hypothesis
exp41.1
\( \vdash \varphi \wedge \psi \wedge \chi \wedge \theta \rightarrow \tau \)
Conclusion
\( \vdash \varphi \rightarrow \psi \rightarrow \chi \rightarrow \theta \rightarrow \tau \)
Proof
exp41.1
ex
_
exp31
_
This is the content in the right pane.