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Theorem bnj95 35494
Description: Technical lemma for bnj124 35501. 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
bnj95.1 𝐹 = {⟨∅, pred(𝑥, 𝐴, 𝑅)⟩}
Assertion
Ref Expression
bnj95 𝐹 ∈ V

Proof of Theorem bnj95
StepHypRef Expression
1 bnj95.1 . 2 𝐹 = {⟨∅, pred(𝑥, 𝐴, 𝑅)⟩}
2 snex 5396 . 2 {⟨∅, pred(𝑥, 𝐴, 𝑅)⟩} ∈ V
31, 2eqeltri 2856 1 𝐹 ∈ V
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   = wceq 1569   ∈ wcel 2144  Vcvv 3450  ∅c0 4278  {csn 4583  ⟨cop 4589   predc-bnj14 35319
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1942  ax-6 1999  ax-7 2040  ax-8 2146  ax-9 2154  ax-ext 2732  ax-sep 5248  ax-pr 5390
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-tru 1572  df-ex 1812  df-sb 2099  df-clab 2739  df-cleq 2752  df-clel 2835  df-v 3452  df-un 4151  df-sn 4584  df-pr 4586
This theorem is used by:  bnj124  35501  bnj125  35502  bnj126  35503  bnj150  35506
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