Theorem simprr1

Simplification of conjunction. (Contributed by NM, 9-Mar-2012.) (Proof shortened by Wolf Lammen, 23-Jun-2022.)

Conclusion

\( \vdash \tau \wedge (\theta \wedge (\varphi \wedge \psi \wedge \chi)) \rightarrow \varphi \)

Proof

simp1

ad2antll _