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Theorem axi4 2581
Description: Specialization (intuitionistic logic axiom ax-4). This is just sp 2041 by another name. (Contributed by Jim Kingdon, 31-Dec-2017.) (New usage is discouraged.)
Ref Expression
axi4 (∀𝑥𝜑𝜑)

Proof of Theorem axi4
StepHypRef Expression
1 sp 2041 1 (∀𝑥𝜑𝜑)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wal 1473
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1713  ax-4 1728  ax-5 1827  ax-6 1875  ax-7 1922  ax-12 2034
This theorem depends on definitions:  df-bi 196  df-ex 1696
This theorem is referenced by: (None)
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