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Theorem axc4i-o 38880
Description: Inference version of ax-c4 38866. (Contributed by NM, 3-Jan-1993.) (Proof modification is discouraged.) (New usage is discouraged.)
Hypothesis
Ref Expression
axc4i-o.1 (∀𝑥𝜑𝜓)
Assertion
Ref Expression
axc4i-o (∀𝑥𝜑 → ∀𝑥𝜓)

Proof of Theorem axc4i-o
StepHypRef Expression
1 hba1-o 38879 . 2 (∀𝑥𝜑 → ∀𝑥𝑥𝜑)
2 axc4i-o.1 . 2 (∀𝑥𝜑𝜓)
31, 2alrimih 1821 1 (∀𝑥𝜑 → ∀𝑥𝜓)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wal 1535
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1792  ax-4 1806  ax-c5 38865  ax-c4 38866  ax-c7 38867
This theorem is referenced by:  hbae-o  38885  aev-o  38913  axc11n-16  38920  ax12indalem  38927  ax12inda2ALT  38928
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