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Theorem bj-nfalt 9219
Description: Closed form of nfal 1465 (copied from set.mm). (Contributed by BJ, 2-May-2019.)
Assertion
Ref Expression
bj-nfalt  F/  F/

Proof of Theorem bj-nfalt
StepHypRef Expression
1 df-nf 1347 . . . 4  F/
21albii 1356 . . 3  F/
3 bj-hbalt 9218 . . . . 5
43alimi 1341 . . . 4
54alcoms 1362 . . 3
62, 5sylbi 114 . 2  F/
7 df-nf 1347 . 2  F/
86, 7sylibr 137 1  F/  F/
Colors of variables: wff set class
Syntax hints:   wi 4  wal 1240   F/wnf 1346
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 99  ax-ia2 100  ax-ia3 101  ax-5 1333  ax-7 1334  ax-gen 1335
This theorem depends on definitions:  df-bi 110  df-nf 1347
This theorem is referenced by: (None)
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