Theorem alimdv

Deduction form of Theorem 19.20 of [Margaris] p. 90, see alim. See alimdh and alimd for versions without a distinct variable condition. (Contributed by NM, 3-Apr-1994.)

Hypothesis
alimdv.1
\( \vdash \varphi \rightarrow \psi \rightarrow \chi \)
Conclusion
\( \vdash \varphi \rightarrow \forall x \, \psi \rightarrow \forall x \, \chi \)
Proof
l0
ax-5
alimdv.1
alimdh l0 _