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Theorem axi4 2580
Description: Specialization (intuitionistic logic axiom ax-4). This is just sp 2039 by another name. (Contributed by Jim Kingdon, 31-Dec-2017.) (New usage is discouraged.)
Assertion
Ref Expression
axi4 (∀𝑥𝜑𝜑)

Proof of Theorem axi4
StepHypRef Expression
1 sp 2039 1 (∀𝑥𝜑𝜑)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wal 1472
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1712  ax-4 1727  ax-5 1826  ax-6 1874  ax-7 1921  ax-12 2032
This theorem depends on definitions:  df-bi 195  df-ex 1695
This theorem is referenced by: (None)
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