Theorem anassrs

Associative law for conjunction applied to antecedent (eliminates syllogism). (Contributed by NM, 15-Nov-2002.)

Hypothesis
anassrs.1
\( \vdash \varphi \wedge (\psi \wedge \chi) \rightarrow \theta \)
Conclusion
\( \vdash \varphi \wedge \psi \wedge \chi \rightarrow \theta \)
Proof
anassrs.1
exp32 _
imp31 _