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Theorem ax7dgen 1719
Description: Degenerate instance of ax-7 1734 where bundled variables and have a common substitution. Uses only Tarski's FOL axiom schemes. (Contributed by NM, 13-Apr-2017.)
Ref Expression

Proof of Theorem ax7dgen
StepHypRef Expression
1 id 19 1
Colors of variables: wff setvar class
Syntax hints:   wi 4  wal 1540
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7
This theorem is referenced by: (None)
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