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Theorem fin23lem29 9365
Description: Lemma for fin23 9413. The residual is built from the same elements as the previous sequence. (Contributed by Stefan O'Rear, 2-Nov-2014.)
Hypotheses
Ref Expression
fin23lem.a 𝑈 = seq𝜔((𝑖 ∈ ω, 𝑢 ∈ V ↦ if(((𝑡𝑖) ∩ 𝑢) = ∅, 𝑢, ((𝑡𝑖) ∩ 𝑢))), ran 𝑡)
fin23lem17.f 𝐹 = {𝑔 ∣ ∀𝑎 ∈ (𝒫 𝑔𝑚 ω)(∀𝑥 ∈ ω (𝑎‘suc 𝑥) ⊆ (𝑎𝑥) → ran 𝑎 ∈ ran 𝑎)}
fin23lem.b 𝑃 = {𝑣 ∈ ω ∣ ran 𝑈 ⊆ (𝑡𝑣)}
fin23lem.c 𝑄 = (𝑤 ∈ ω ↦ (𝑥𝑃 (𝑥𝑃) ≈ 𝑤))
fin23lem.d 𝑅 = (𝑤 ∈ ω ↦ (𝑥 ∈ (ω ∖ 𝑃)(𝑥 ∩ (ω ∖ 𝑃)) ≈ 𝑤))
fin23lem.e 𝑍 = if(𝑃 ∈ Fin, (𝑡𝑅), ((𝑧𝑃 ↦ ((𝑡𝑧) ∖ ran 𝑈)) ∘ 𝑄))
Assertion
Ref Expression
fin23lem29 ran 𝑍 ran 𝑡
Distinct variable groups:   𝑔,𝑖,𝑡,𝑢,𝑣,𝑥,𝑧,𝑎   𝐹,𝑎,𝑡   𝑤,𝑎,𝑥,𝑧,𝑃   𝑣,𝑎,𝑅,𝑖,𝑢   𝑈,𝑎,𝑖,𝑢,𝑣,𝑧   𝑍,𝑎   𝑔,𝑎
Allowed substitution hints:   𝑃(𝑣,𝑢,𝑡,𝑔,𝑖)   𝑄(𝑥,𝑧,𝑤,𝑣,𝑢,𝑡,𝑔,𝑖,𝑎)   𝑅(𝑥,𝑧,𝑤,𝑡,𝑔)   𝑈(𝑥,𝑤,𝑡,𝑔)   𝐹(𝑥,𝑧,𝑤,𝑣,𝑢,𝑔,𝑖)   𝑍(𝑥,𝑧,𝑤,𝑣,𝑢,𝑡,𝑔,𝑖)

Proof of Theorem fin23lem29
StepHypRef Expression
1 fin23lem.e . 2 𝑍 = if(𝑃 ∈ Fin, (𝑡𝑅), ((𝑧𝑃 ↦ ((𝑡𝑧) ∖ ran 𝑈)) ∘ 𝑄))
2 eqif 4265 . . 3 (𝑍 = if(𝑃 ∈ Fin, (𝑡𝑅), ((𝑧𝑃 ↦ ((𝑡𝑧) ∖ ran 𝑈)) ∘ 𝑄)) ↔ ((𝑃 ∈ Fin ∧ 𝑍 = (𝑡𝑅)) ∨ (¬ 𝑃 ∈ Fin ∧ 𝑍 = ((𝑧𝑃 ↦ ((𝑡𝑧) ∖ ran 𝑈)) ∘ 𝑄))))
32biimpi 206 . 2 (𝑍 = if(𝑃 ∈ Fin, (𝑡𝑅), ((𝑧𝑃 ↦ ((𝑡𝑧) ∖ ran 𝑈)) ∘ 𝑄)) → ((𝑃 ∈ Fin ∧ 𝑍 = (𝑡𝑅)) ∨ (¬ 𝑃 ∈ Fin ∧ 𝑍 = ((𝑧𝑃 ↦ ((𝑡𝑧) ∖ ran 𝑈)) ∘ 𝑄))))
4 rneq 5489 . . . . . 6 (𝑍 = (𝑡𝑅) → ran 𝑍 = ran (𝑡𝑅))
54unieqd 4584 . . . . 5 (𝑍 = (𝑡𝑅) → ran 𝑍 = ran (𝑡𝑅))
6 rncoss 5524 . . . . . 6 ran (𝑡𝑅) ⊆ ran 𝑡
76unissi 4597 . . . . 5 ran (𝑡𝑅) ⊆ ran 𝑡
85, 7syl6eqss 3804 . . . 4 (𝑍 = (𝑡𝑅) → ran 𝑍 ran 𝑡)
98adantl 467 . . 3 ((𝑃 ∈ Fin ∧ 𝑍 = (𝑡𝑅)) → ran 𝑍 ran 𝑡)
10 rneq 5489 . . . . . 6 (𝑍 = ((𝑧𝑃 ↦ ((𝑡𝑧) ∖ ran 𝑈)) ∘ 𝑄) → ran 𝑍 = ran ((𝑧𝑃 ↦ ((𝑡𝑧) ∖ ran 𝑈)) ∘ 𝑄))
1110unieqd 4584 . . . . 5 (𝑍 = ((𝑧𝑃 ↦ ((𝑡𝑧) ∖ ran 𝑈)) ∘ 𝑄) → ran 𝑍 = ran ((𝑧𝑃 ↦ ((𝑡𝑧) ∖ ran 𝑈)) ∘ 𝑄))
12 rncoss 5524 . . . . . . 7 ran ((𝑧𝑃 ↦ ((𝑡𝑧) ∖ ran 𝑈)) ∘ 𝑄) ⊆ ran (𝑧𝑃 ↦ ((𝑡𝑧) ∖ ran 𝑈))
1312unissi 4597 . . . . . 6 ran ((𝑧𝑃 ↦ ((𝑡𝑧) ∖ ran 𝑈)) ∘ 𝑄) ⊆ ran (𝑧𝑃 ↦ ((𝑡𝑧) ∖ ran 𝑈))
14 unissb 4605 . . . . . . 7 ( ran (𝑧𝑃 ↦ ((𝑡𝑧) ∖ ran 𝑈)) ⊆ ran 𝑡 ↔ ∀𝑎 ∈ ran (𝑧𝑃 ↦ ((𝑡𝑧) ∖ ran 𝑈))𝑎 ran 𝑡)
15 abid 2759 . . . . . . . . 9 (𝑎 ∈ {𝑎 ∣ ∃𝑧𝑃 𝑎 = ((𝑡𝑧) ∖ ran 𝑈)} ↔ ∃𝑧𝑃 𝑎 = ((𝑡𝑧) ∖ ran 𝑈))
16 fvssunirn 6358 . . . . . . . . . . . . 13 (𝑡𝑧) ⊆ ran 𝑡
1716a1i 11 . . . . . . . . . . . 12 (𝑧𝑃 → (𝑡𝑧) ⊆ ran 𝑡)
1817ssdifssd 3899 . . . . . . . . . . 11 (𝑧𝑃 → ((𝑡𝑧) ∖ ran 𝑈) ⊆ ran 𝑡)
19 sseq1 3775 . . . . . . . . . . 11 (𝑎 = ((𝑡𝑧) ∖ ran 𝑈) → (𝑎 ran 𝑡 ↔ ((𝑡𝑧) ∖ ran 𝑈) ⊆ ran 𝑡))
2018, 19syl5ibrcom 237 . . . . . . . . . 10 (𝑧𝑃 → (𝑎 = ((𝑡𝑧) ∖ ran 𝑈) → 𝑎 ran 𝑡))
2120rexlimiv 3175 . . . . . . . . 9 (∃𝑧𝑃 𝑎 = ((𝑡𝑧) ∖ ran 𝑈) → 𝑎 ran 𝑡)
2215, 21sylbi 207 . . . . . . . 8 (𝑎 ∈ {𝑎 ∣ ∃𝑧𝑃 𝑎 = ((𝑡𝑧) ∖ ran 𝑈)} → 𝑎 ran 𝑡)
23 eqid 2771 . . . . . . . . 9 (𝑧𝑃 ↦ ((𝑡𝑧) ∖ ran 𝑈)) = (𝑧𝑃 ↦ ((𝑡𝑧) ∖ ran 𝑈))
2423rnmpt 5509 . . . . . . . 8 ran (𝑧𝑃 ↦ ((𝑡𝑧) ∖ ran 𝑈)) = {𝑎 ∣ ∃𝑧𝑃 𝑎 = ((𝑡𝑧) ∖ ran 𝑈)}
2522, 24eleq2s 2868 . . . . . . 7 (𝑎 ∈ ran (𝑧𝑃 ↦ ((𝑡𝑧) ∖ ran 𝑈)) → 𝑎 ran 𝑡)
2614, 25mprgbir 3076 . . . . . 6 ran (𝑧𝑃 ↦ ((𝑡𝑧) ∖ ran 𝑈)) ⊆ ran 𝑡
2713, 26sstri 3761 . . . . 5 ran ((𝑧𝑃 ↦ ((𝑡𝑧) ∖ ran 𝑈)) ∘ 𝑄) ⊆ ran 𝑡
2811, 27syl6eqss 3804 . . . 4 (𝑍 = ((𝑧𝑃 ↦ ((𝑡𝑧) ∖ ran 𝑈)) ∘ 𝑄) → ran 𝑍 ran 𝑡)
2928adantl 467 . . 3 ((¬ 𝑃 ∈ Fin ∧ 𝑍 = ((𝑧𝑃 ↦ ((𝑡𝑧) ∖ ran 𝑈)) ∘ 𝑄)) → ran 𝑍 ran 𝑡)
309, 29jaoi 844 . 2 (((𝑃 ∈ Fin ∧ 𝑍 = (𝑡𝑅)) ∨ (¬ 𝑃 ∈ Fin ∧ 𝑍 = ((𝑧𝑃 ↦ ((𝑡𝑧) ∖ ran 𝑈)) ∘ 𝑄))) → ran 𝑍 ran 𝑡)
311, 3, 30mp2b 10 1 ran 𝑍 ran 𝑡
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wa 382  wo 834   = wceq 1631  wcel 2145  {cab 2757  wral 3061  wrex 3062  {crab 3065  Vcvv 3351  cdif 3720  cin 3722  wss 3723  c0 4063  ifcif 4225  𝒫 cpw 4297   cuni 4574   cint 4611   class class class wbr 4786  cmpt 4863  ran crn 5250  ccom 5253  suc csuc 5868  cfv 6031  crio 6753  (class class class)co 6793  cmpt2 6795  ωcom 7212  seq𝜔cseqom 7695  𝑚 cmap 8009  cen 8106  Fincfn 8109
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1870  ax-4 1885  ax-5 1991  ax-6 2057  ax-7 2093  ax-8 2147  ax-9 2154  ax-10 2174  ax-11 2190  ax-12 2203  ax-13 2408  ax-ext 2751  ax-sep 4915  ax-nul 4923  ax-pow 4974  ax-pr 5034
This theorem depends on definitions:  df-bi 197  df-an 383  df-or 835  df-3an 1073  df-tru 1634  df-ex 1853  df-nf 1858  df-sb 2050  df-eu 2622  df-mo 2623  df-clab 2758  df-cleq 2764  df-clel 2767  df-nfc 2902  df-ne 2944  df-ral 3066  df-rex 3067  df-rab 3070  df-v 3353  df-sbc 3588  df-dif 3726  df-un 3728  df-in 3730  df-ss 3737  df-nul 4064  df-if 4226  df-sn 4317  df-pr 4319  df-op 4323  df-uni 4575  df-br 4787  df-opab 4847  df-mpt 4864  df-cnv 5257  df-co 5258  df-dm 5259  df-rn 5260  df-iota 5994  df-fv 6039
This theorem is referenced by:  fin23lem31  9367
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