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Theorem 2sp 2179
Description: A double specialization (see sp 2176). Another double specialization, closer to PM*11.1, is 2stdpc4 2073. (Contributed by BJ, 15-Sep-2018.)
Assertion
Ref Expression
2sp (∀𝑥𝑦𝜑𝜑)

Proof of Theorem 2sp
StepHypRef Expression
1 sp 2176 . 2 (∀𝑦𝜑𝜑)
21sps 2178 1 (∀𝑥𝑦𝜑𝜑)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wal 1539
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1913  ax-6 1971  ax-7 2011  ax-12 2171
This theorem depends on definitions:  df-bi 206  df-ex 1782
This theorem is referenced by:  cbv1h  2403  csbie2t  3896  copsex2t  5449  fprlem1  8231  wfrlem5OLD  8259  frrlem15  9693  fundmpss  34341  bj-cbv1hv  35261  ax11-pm  35297  mbfresfi  36124  cotrintab  41876  pm14.123b  42696  ich2exprop  45653  ichnreuop  45654  ichreuopeq  45655
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