Theorem 3exp1

Exportation from left triple conjunction. (Contributed by NM, 24-Feb-2005.)

Hypothesis
3exp1.1
\( \vdash (\varphi \wedge \psi \wedge \chi) \wedge \theta \rightarrow \tau \)
Conclusion
\( \vdash \varphi \rightarrow \psi \rightarrow \chi \rightarrow \theta \rightarrow \tau \)
Proof
3exp1.1
ex _
3exp _