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Theorem nfalt 1467
Description: Closed form of nfal 1465. (Contributed by Jim Kingdon, 11-May-2018.)
Assertion
Ref Expression
nfalt  F/  F/

Proof of Theorem nfalt
StepHypRef Expression
1 alim 1343 . . . 4
2 alcom 1364 . . . 4
31, 2syl6ib 150 . . 3
43alimi 1341 . 2
5 df-nf 1347 . . . 4  F/
65albii 1356 . . 3  F/
7 alcom 1364 . . 3
86, 7bitri 173 . 2  F/
9 df-nf 1347 . 2  F/
104, 8, 93imtr4i 190 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:  dvelimor  1891
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