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Theorem axie1 2328
Description: is bound in (intuitionistic logic axiom ax-ie1). (Contributed by Jim Kingdon, 31-Dec-2017.)
Assertion
Ref Expression
axie1

Proof of Theorem axie1
StepHypRef Expression
1 hbe1 1731 1
Colors of variables: wff setvar class
Syntax hints:   wi 4  wal 1540  wex 1541
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1546  ax-5 1557  ax-6 1729
This theorem depends on definitions:  df-bi 177  df-ex 1542
This theorem is referenced by: (None)
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