Theorem
3ad2antr3
Deduction adding conjuncts to antecedent. (Contributed by NM, 30-Dec-2007.)
Hypothesis
3ad2antl.1
\( \vdash \varphi \wedge \chi \rightarrow \theta \)
Conclusion
\( \vdash \varphi \wedge (\psi \wedge \tau \wedge \chi) \rightarrow \theta \)
Proof
3ad2antl.1
adantrl
_
3adantr1
_
This is the content in the right pane.