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Theorem bnj553 32864
Description: Technical lemma for bnj852 32887. 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.)
Hypotheses
Ref Expression
bnj553.1 (𝜑′ ↔ (𝑓‘∅) = pred(𝑥, 𝐴, 𝑅))
bnj553.2 (𝜓′ ↔ ∀𝑖 ∈ ω (suc 𝑖𝑚 → (𝑓‘suc 𝑖) = 𝑦 ∈ (𝑓𝑖) pred(𝑦, 𝐴, 𝑅)))
bnj553.3 𝐷 = (ω ∖ {∅})
bnj553.4 𝐺 = (𝑓 ∪ {⟨𝑚, 𝑦 ∈ (𝑓𝑝) pred(𝑦, 𝐴, 𝑅)⟩})
bnj553.5 (𝜏 ↔ (𝑓 Fn 𝑚𝜑′𝜓′))
bnj553.6 (𝜎 ↔ (𝑚𝐷𝑛 = suc 𝑚𝑝𝑚))
bnj553.7 𝐶 = 𝑦 ∈ (𝑓𝑝) pred(𝑦, 𝐴, 𝑅)
bnj553.8 𝐺 = (𝑓 ∪ {⟨𝑚, 𝐶⟩})
bnj553.9 𝐵 = 𝑦 ∈ (𝑓𝑖) pred(𝑦, 𝐴, 𝑅)
bnj553.10 𝐾 = 𝑦 ∈ (𝐺𝑖) pred(𝑦, 𝐴, 𝑅)
bnj553.11 𝐿 = 𝑦 ∈ (𝐺𝑝) pred(𝑦, 𝐴, 𝑅)
bnj553.12 ((𝑅 FrSe 𝐴𝜏𝜎) → 𝐺 Fn 𝑛)
Assertion
Ref Expression
bnj553 (((𝑅 FrSe 𝐴𝜏𝜎) ∧ 𝑖𝑚𝑝 = 𝑖) → (𝐺𝑚) = 𝐿)
Distinct variable groups:   𝐴,𝑖,𝑝,𝑦   𝑦,𝐺   𝑅,𝑖,𝑝,𝑦   𝑓,𝑖,𝑝,𝑦   𝑖,𝑚,𝑝   𝑝,𝜑′
Allowed substitution hints:   𝜏(𝑥,𝑦,𝑓,𝑖,𝑚,𝑛,𝑝)   𝜎(𝑥,𝑦,𝑓,𝑖,𝑚,𝑛,𝑝)   𝐴(𝑥,𝑓,𝑚,𝑛)   𝐵(𝑥,𝑦,𝑓,𝑖,𝑚,𝑛,𝑝)   𝐶(𝑥,𝑦,𝑓,𝑖,𝑚,𝑛,𝑝)   𝐷(𝑥,𝑦,𝑓,𝑖,𝑚,𝑛,𝑝)   𝑅(𝑥,𝑓,𝑚,𝑛)   𝐺(𝑥,𝑓,𝑖,𝑚,𝑛,𝑝)   𝐾(𝑥,𝑦,𝑓,𝑖,𝑚,𝑛,𝑝)   𝐿(𝑥,𝑦,𝑓,𝑖,𝑚,𝑛,𝑝)   𝜑′(𝑥,𝑦,𝑓,𝑖,𝑚,𝑛)   𝜓′(𝑥,𝑦,𝑓,𝑖,𝑚,𝑛,𝑝)

Proof of Theorem bnj553
StepHypRef Expression
1 bnj553.12 . . . . 5 ((𝑅 FrSe 𝐴𝜏𝜎) → 𝐺 Fn 𝑛)
21fnfund 6527 . . . 4 ((𝑅 FrSe 𝐴𝜏𝜎) → Fun 𝐺)
3 opex 5378 . . . . . . 7 𝑚, 𝐶⟩ ∈ V
43snid 4598 . . . . . 6 𝑚, 𝐶⟩ ∈ {⟨𝑚, 𝐶⟩}
5 elun2 4111 . . . . . 6 (⟨𝑚, 𝐶⟩ ∈ {⟨𝑚, 𝐶⟩} → ⟨𝑚, 𝐶⟩ ∈ (𝑓 ∪ {⟨𝑚, 𝐶⟩}))
64, 5ax-mp 5 . . . . 5 𝑚, 𝐶⟩ ∈ (𝑓 ∪ {⟨𝑚, 𝐶⟩})
7 bnj553.8 . . . . 5 𝐺 = (𝑓 ∪ {⟨𝑚, 𝐶⟩})
86, 7eleqtrri 2838 . . . 4 𝑚, 𝐶⟩ ∈ 𝐺
9 funopfv 6814 . . . 4 (Fun 𝐺 → (⟨𝑚, 𝐶⟩ ∈ 𝐺 → (𝐺𝑚) = 𝐶))
102, 8, 9mpisyl 21 . . 3 ((𝑅 FrSe 𝐴𝜏𝜎) → (𝐺𝑚) = 𝐶)
11103ad2ant1 1132 . 2 (((𝑅 FrSe 𝐴𝜏𝜎) ∧ 𝑖𝑚𝑝 = 𝑖) → (𝐺𝑚) = 𝐶)
12 fveq2 6767 . . . . . 6 (𝑝 = 𝑖 → (𝐺𝑝) = (𝐺𝑖))
1312bnj1113 32751 . . . . 5 (𝑝 = 𝑖 𝑦 ∈ (𝐺𝑝) pred(𝑦, 𝐴, 𝑅) = 𝑦 ∈ (𝐺𝑖) pred(𝑦, 𝐴, 𝑅))
14 bnj553.11 . . . . 5 𝐿 = 𝑦 ∈ (𝐺𝑝) pred(𝑦, 𝐴, 𝑅)
15 bnj553.10 . . . . 5 𝐾 = 𝑦 ∈ (𝐺𝑖) pred(𝑦, 𝐴, 𝑅)
1613, 14, 153eqtr4g 2803 . . . 4 (𝑝 = 𝑖𝐿 = 𝐾)
17163ad2ant3 1134 . . 3 (((𝑅 FrSe 𝐴𝜏𝜎) ∧ 𝑖𝑚𝑝 = 𝑖) → 𝐿 = 𝐾)
18 bnj553.5 . . . . 5 (𝜏 ↔ (𝑓 Fn 𝑚𝜑′𝜓′))
19 bnj553.9 . . . . 5 𝐵 = 𝑦 ∈ (𝑓𝑖) pred(𝑦, 𝐴, 𝑅)
20 bnj553.4 . . . . 5 𝐺 = (𝑓 ∪ {⟨𝑚, 𝑦 ∈ (𝑓𝑝) pred(𝑦, 𝐴, 𝑅)⟩})
2118, 19, 15, 20, 1bnj548 32863 . . . 4 (((𝑅 FrSe 𝐴𝜏𝜎) ∧ 𝑖𝑚) → 𝐵 = 𝐾)
22213adant3 1131 . . 3 (((𝑅 FrSe 𝐴𝜏𝜎) ∧ 𝑖𝑚𝑝 = 𝑖) → 𝐵 = 𝐾)
23 fveq2 6767 . . . . . 6 (𝑝 = 𝑖 → (𝑓𝑝) = (𝑓𝑖))
2423bnj1113 32751 . . . . 5 (𝑝 = 𝑖 𝑦 ∈ (𝑓𝑝) pred(𝑦, 𝐴, 𝑅) = 𝑦 ∈ (𝑓𝑖) pred(𝑦, 𝐴, 𝑅))
25 bnj553.7 . . . . . . 7 𝐶 = 𝑦 ∈ (𝑓𝑝) pred(𝑦, 𝐴, 𝑅)
2619, 25eqeq12i 2756 . . . . . 6 (𝐵 = 𝐶 𝑦 ∈ (𝑓𝑖) pred(𝑦, 𝐴, 𝑅) = 𝑦 ∈ (𝑓𝑝) pred(𝑦, 𝐴, 𝑅))
27 eqcom 2745 . . . . . 6 ( 𝑦 ∈ (𝑓𝑖) pred(𝑦, 𝐴, 𝑅) = 𝑦 ∈ (𝑓𝑝) pred(𝑦, 𝐴, 𝑅) ↔ 𝑦 ∈ (𝑓𝑝) pred(𝑦, 𝐴, 𝑅) = 𝑦 ∈ (𝑓𝑖) pred(𝑦, 𝐴, 𝑅))
2826, 27bitri 274 . . . . 5 (𝐵 = 𝐶 𝑦 ∈ (𝑓𝑝) pred(𝑦, 𝐴, 𝑅) = 𝑦 ∈ (𝑓𝑖) pred(𝑦, 𝐴, 𝑅))
2924, 28sylibr 233 . . . 4 (𝑝 = 𝑖𝐵 = 𝐶)
30293ad2ant3 1134 . . 3 (((𝑅 FrSe 𝐴𝜏𝜎) ∧ 𝑖𝑚𝑝 = 𝑖) → 𝐵 = 𝐶)
3117, 22, 303eqtr2rd 2785 . 2 (((𝑅 FrSe 𝐴𝜏𝜎) ∧ 𝑖𝑚𝑝 = 𝑖) → 𝐶 = 𝐿)
3211, 31eqtrd 2778 1 (((𝑅 FrSe 𝐴𝜏𝜎) ∧ 𝑖𝑚𝑝 = 𝑖) → (𝐺𝑚) = 𝐿)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 205  w3a 1086   = wceq 1539  wcel 2106  wral 3064  cdif 3884  cun 3885  c0 4257  {csn 4562  cop 4568   ciun 4925  suc csuc 6262  Fun wfun 6421   Fn wfn 6422  cfv 6427  ωcom 7703   predc-bnj14 32653   FrSe w-bnj15 32657
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1798  ax-4 1812  ax-5 1913  ax-6 1971  ax-7 2011  ax-8 2108  ax-9 2116  ax-10 2137  ax-11 2154  ax-12 2171  ax-ext 2709  ax-sep 5222  ax-nul 5229  ax-pr 5351
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 845  df-3an 1088  df-tru 1542  df-fal 1552  df-ex 1783  df-nf 1787  df-sb 2068  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2816  df-nfc 2889  df-ral 3069  df-rex 3070  df-rab 3073  df-v 3432  df-dif 3890  df-un 3892  df-in 3894  df-ss 3904  df-nul 4258  df-if 4461  df-sn 4563  df-pr 4565  df-op 4569  df-uni 4841  df-iun 4927  df-br 5075  df-opab 5137  df-id 5485  df-xp 5591  df-rel 5592  df-cnv 5593  df-co 5594  df-dm 5595  df-res 5597  df-iota 6385  df-fun 6429  df-fn 6430  df-fv 6435
This theorem is referenced by:  bnj557  32867
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