Theorem
simp13l
Simplification of conjunction. (Contributed by NM, 9-Mar-2012.)
Conclusion
\( \vdash (\chi \wedge \theta \wedge \varphi \wedge \psi) \wedge \tau \wedge \eta \rightarrow \varphi \)
Proof
simp3l
3ad2ant1
_
This is the content in the right pane.