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Theorem bnj1112 29352
 Description: Technical lemma for bnj69 29379. This lemma may no longer be used or have become an indirect lemma of the theorem in question (i.e. a lemma of a lemma... of the theorem). (Contributed by Jonathan Ben-Naim, 3-Jun-2011.) (New usage is discouraged.)
Hypothesis
Ref Expression
bnj1112.1
Assertion
Ref Expression
bnj1112
Distinct variable groups:   ,,   ,,   ,,,   ,,
Allowed substitution hints:   (,,,,)   (,,)   (,,)

Proof of Theorem bnj1112
StepHypRef Expression
1 bnj1112.1 . . 3
21bnj115 29090 . 2
3 eleq1 2496 . . . . 5
4 suceq 4646 . . . . . 6
54eleq1d 2502 . . . . 5
63, 5anbi12d 692 . . . 4
74fveq2d 5732 . . . . 5
8 fveq2 5728 . . . . . 6
98bnj1113 29156 . . . . 5
107, 9eqeq12d 2450 . . . 4
116, 10imbi12d 312 . . 3
1211cbvalv 1984 . 2
132, 12bitri 241 1
 Colors of variables: wff set class Syntax hints:   wi 4   wb 177   wa 359  wal 1549   wceq 1652   wcel 1725  wral 2705  ciun 4093   csuc 4583  com 4845  cfv 5454   c-bnj14 29052 This theorem is referenced by:  bnj1118  29353 This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1555  ax-5 1566  ax-17 1626  ax-9 1666  ax-8 1687  ax-6 1744  ax-7 1749  ax-11 1761  ax-12 1950  ax-ext 2417 This theorem depends on definitions:  df-bi 178  df-or 360  df-an 361  df-3an 938  df-tru 1328  df-ex 1551  df-nf 1554  df-sb 1659  df-clab 2423  df-cleq 2429  df-clel 2432  df-nfc 2561  df-ral 2710  df-rex 2711  df-rab 2714  df-v 2958  df-dif 3323  df-un 3325  df-in 3327  df-ss 3334  df-nul 3629  df-if 3740  df-sn 3820  df-pr 3821  df-op 3823  df-uni 4016  df-iun 4095  df-br 4213  df-suc 4587  df-iota 5418  df-fv 5462
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