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Theorem fin23lem35 9370
 Description: Lemma for fin23 9412. Strict order property of 𝑌. (Contributed by Stefan O'Rear, 2-Nov-2014.)
Hypotheses
Ref Expression
fin23lem33.f 𝐹 = {𝑔 ∣ ∀𝑎 ∈ (𝒫 𝑔𝑚 ω)(∀𝑥 ∈ ω (𝑎‘suc 𝑥) ⊆ (𝑎𝑥) → ran 𝑎 ∈ ran 𝑎)}
fin23lem.f (𝜑:ω–1-1→V)
fin23lem.g (𝜑 ran 𝐺)
fin23lem.h (𝜑 → ∀𝑗((𝑗:ω–1-1→V ∧ ran 𝑗𝐺) → ((𝑖𝑗):ω–1-1→V ∧ ran (𝑖𝑗) ⊊ ran 𝑗)))
fin23lem.i 𝑌 = (rec(𝑖, ) ↾ ω)
Assertion
Ref Expression
fin23lem35 ((𝜑𝐴 ∈ ω) → ran (𝑌‘suc 𝐴) ⊊ ran (𝑌𝐴))
Distinct variable groups:   𝑔,𝑎,𝑖,𝑗,𝑥   𝐴,𝑎,𝑗   ,𝑎,𝐺,𝑔,𝑖,𝑗,𝑥   𝐹,𝑎   𝜑,𝑎,𝑗   𝑌,𝑎,𝑗
Allowed substitution hints:   𝜑(𝑥,𝑔,,𝑖)   𝐴(𝑥,𝑔,,𝑖)   𝐹(𝑥,𝑔,,𝑖,𝑗)   𝑌(𝑥,𝑔,,𝑖)

Proof of Theorem fin23lem35
StepHypRef Expression
1 fin23lem33.f . . . . 5 𝐹 = {𝑔 ∣ ∀𝑎 ∈ (𝒫 𝑔𝑚 ω)(∀𝑥 ∈ ω (𝑎‘suc 𝑥) ⊆ (𝑎𝑥) → ran 𝑎 ∈ ran 𝑎)}
2 fin23lem.f . . . . 5 (𝜑:ω–1-1→V)
3 fin23lem.g . . . . 5 (𝜑 ran 𝐺)
4 fin23lem.h . . . . 5 (𝜑 → ∀𝑗((𝑗:ω–1-1→V ∧ ran 𝑗𝐺) → ((𝑖𝑗):ω–1-1→V ∧ ran (𝑖𝑗) ⊊ ran 𝑗)))
5 fin23lem.i . . . . 5 𝑌 = (rec(𝑖, ) ↾ ω)
61, 2, 3, 4, 5fin23lem34 9369 . . . 4 ((𝜑𝐴 ∈ ω) → ((𝑌𝐴):ω–1-1→V ∧ ran (𝑌𝐴) ⊆ 𝐺))
7 fvex 6342 . . . . . . 7 (𝑌𝐴) ∈ V
8 f1eq1 6236 . . . . . . . . 9 (𝑗 = (𝑌𝐴) → (𝑗:ω–1-1→V ↔ (𝑌𝐴):ω–1-1→V))
9 rneq 5489 . . . . . . . . . . 11 (𝑗 = (𝑌𝐴) → ran 𝑗 = ran (𝑌𝐴))
109unieqd 4582 . . . . . . . . . 10 (𝑗 = (𝑌𝐴) → ran 𝑗 = ran (𝑌𝐴))
1110sseq1d 3779 . . . . . . . . 9 (𝑗 = (𝑌𝐴) → ( ran 𝑗𝐺 ran (𝑌𝐴) ⊆ 𝐺))
128, 11anbi12d 608 . . . . . . . 8 (𝑗 = (𝑌𝐴) → ((𝑗:ω–1-1→V ∧ ran 𝑗𝐺) ↔ ((𝑌𝐴):ω–1-1→V ∧ ran (𝑌𝐴) ⊆ 𝐺)))
13 fveq2 6332 . . . . . . . . . 10 (𝑗 = (𝑌𝐴) → (𝑖𝑗) = (𝑖‘(𝑌𝐴)))
14 f1eq1 6236 . . . . . . . . . 10 ((𝑖𝑗) = (𝑖‘(𝑌𝐴)) → ((𝑖𝑗):ω–1-1→V ↔ (𝑖‘(𝑌𝐴)):ω–1-1→V))
1513, 14syl 17 . . . . . . . . 9 (𝑗 = (𝑌𝐴) → ((𝑖𝑗):ω–1-1→V ↔ (𝑖‘(𝑌𝐴)):ω–1-1→V))
1613rneqd 5491 . . . . . . . . . . 11 (𝑗 = (𝑌𝐴) → ran (𝑖𝑗) = ran (𝑖‘(𝑌𝐴)))
1716unieqd 4582 . . . . . . . . . 10 (𝑗 = (𝑌𝐴) → ran (𝑖𝑗) = ran (𝑖‘(𝑌𝐴)))
1817, 10psseq12d 3849 . . . . . . . . 9 (𝑗 = (𝑌𝐴) → ( ran (𝑖𝑗) ⊊ ran 𝑗 ran (𝑖‘(𝑌𝐴)) ⊊ ran (𝑌𝐴)))
1915, 18anbi12d 608 . . . . . . . 8 (𝑗 = (𝑌𝐴) → (((𝑖𝑗):ω–1-1→V ∧ ran (𝑖𝑗) ⊊ ran 𝑗) ↔ ((𝑖‘(𝑌𝐴)):ω–1-1→V ∧ ran (𝑖‘(𝑌𝐴)) ⊊ ran (𝑌𝐴))))
2012, 19imbi12d 333 . . . . . . 7 (𝑗 = (𝑌𝐴) → (((𝑗:ω–1-1→V ∧ ran 𝑗𝐺) → ((𝑖𝑗):ω–1-1→V ∧ ran (𝑖𝑗) ⊊ ran 𝑗)) ↔ (((𝑌𝐴):ω–1-1→V ∧ ran (𝑌𝐴) ⊆ 𝐺) → ((𝑖‘(𝑌𝐴)):ω–1-1→V ∧ ran (𝑖‘(𝑌𝐴)) ⊊ ran (𝑌𝐴)))))
217, 20spcv 3448 . . . . . 6 (∀𝑗((𝑗:ω–1-1→V ∧ ran 𝑗𝐺) → ((𝑖𝑗):ω–1-1→V ∧ ran (𝑖𝑗) ⊊ ran 𝑗)) → (((𝑌𝐴):ω–1-1→V ∧ ran (𝑌𝐴) ⊆ 𝐺) → ((𝑖‘(𝑌𝐴)):ω–1-1→V ∧ ran (𝑖‘(𝑌𝐴)) ⊊ ran (𝑌𝐴))))
224, 21syl 17 . . . . 5 (𝜑 → (((𝑌𝐴):ω–1-1→V ∧ ran (𝑌𝐴) ⊆ 𝐺) → ((𝑖‘(𝑌𝐴)):ω–1-1→V ∧ ran (𝑖‘(𝑌𝐴)) ⊊ ran (𝑌𝐴))))
2322adantr 466 . . . 4 ((𝜑𝐴 ∈ ω) → (((𝑌𝐴):ω–1-1→V ∧ ran (𝑌𝐴) ⊆ 𝐺) → ((𝑖‘(𝑌𝐴)):ω–1-1→V ∧ ran (𝑖‘(𝑌𝐴)) ⊊ ran (𝑌𝐴))))
246, 23mpd 15 . . 3 ((𝜑𝐴 ∈ ω) → ((𝑖‘(𝑌𝐴)):ω–1-1→V ∧ ran (𝑖‘(𝑌𝐴)) ⊊ ran (𝑌𝐴)))
2524simprd 477 . 2 ((𝜑𝐴 ∈ ω) → ran (𝑖‘(𝑌𝐴)) ⊊ ran (𝑌𝐴))
26 frsuc 7684 . . . . . . 7 (𝐴 ∈ ω → ((rec(𝑖, ) ↾ ω)‘suc 𝐴) = (𝑖‘((rec(𝑖, ) ↾ ω)‘𝐴)))
2726adantl 467 . . . . . 6 ((𝜑𝐴 ∈ ω) → ((rec(𝑖, ) ↾ ω)‘suc 𝐴) = (𝑖‘((rec(𝑖, ) ↾ ω)‘𝐴)))
285fveq1i 6333 . . . . . 6 (𝑌‘suc 𝐴) = ((rec(𝑖, ) ↾ ω)‘suc 𝐴)
295fveq1i 6333 . . . . . . 7 (𝑌𝐴) = ((rec(𝑖, ) ↾ ω)‘𝐴)
3029fveq2i 6335 . . . . . 6 (𝑖‘(𝑌𝐴)) = (𝑖‘((rec(𝑖, ) ↾ ω)‘𝐴))
3127, 28, 303eqtr4g 2829 . . . . 5 ((𝜑𝐴 ∈ ω) → (𝑌‘suc 𝐴) = (𝑖‘(𝑌𝐴)))
3231rneqd 5491 . . . 4 ((𝜑𝐴 ∈ ω) → ran (𝑌‘suc 𝐴) = ran (𝑖‘(𝑌𝐴)))
3332unieqd 4582 . . 3 ((𝜑𝐴 ∈ ω) → ran (𝑌‘suc 𝐴) = ran (𝑖‘(𝑌𝐴)))
3433psseq1d 3847 . 2 ((𝜑𝐴 ∈ ω) → ( ran (𝑌‘suc 𝐴) ⊊ ran (𝑌𝐴) ↔ ran (𝑖‘(𝑌𝐴)) ⊊ ran (𝑌𝐴)))
3525, 34mpbird 247 1 ((𝜑𝐴 ∈ ω) → ran (𝑌‘suc 𝐴) ⊊ ran (𝑌𝐴))
 Colors of variables: wff setvar class Syntax hints:   → wi 4   ↔ wb 196   ∧ wa 382  ∀wal 1628   = wceq 1630   ∈ wcel 2144  {cab 2756  ∀wral 3060  Vcvv 3349   ⊆ wss 3721   ⊊ wpss 3722  𝒫 cpw 4295  ∪ cuni 4572  ∩ cint 4609  ran crn 5250   ↾ cres 5251  suc csuc 5868  –1-1→wf1 6028  ‘cfv 6031  (class class class)co 6792  ωcom 7211  reccrdg 7657   ↑𝑚 cmap 8008 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1869  ax-4 1884  ax-5 1990  ax-6 2056  ax-7 2092  ax-8 2146  ax-9 2153  ax-10 2173  ax-11 2189  ax-12 2202  ax-13 2407  ax-ext 2750  ax-sep 4912  ax-nul 4920  ax-pow 4971  ax-pr 5034  ax-un 7095 This theorem depends on definitions:  df-bi 197  df-an 383  df-or 827  df-3or 1071  df-3an 1072  df-tru 1633  df-ex 1852  df-nf 1857  df-sb 2049  df-eu 2621  df-mo 2622  df-clab 2757  df-cleq 2763  df-clel 2766  df-nfc 2901  df-ne 2943  df-ral 3065  df-rex 3066  df-reu 3067  df-rab 3069  df-v 3351  df-sbc 3586  df-csb 3681  df-dif 3724  df-un 3726  df-in 3728  df-ss 3735  df-pss 3737  df-nul 4062  df-if 4224  df-pw 4297  df-sn 4315  df-pr 4317  df-tp 4319  df-op 4321  df-uni 4573  df-iun 4654  df-br 4785  df-opab 4845  df-mpt 4862  df-tr 4885  df-id 5157  df-eprel 5162  df-po 5170  df-so 5171  df-fr 5208  df-we 5210  df-xp 5255  df-rel 5256  df-cnv 5257  df-co 5258  df-dm 5259  df-rn 5260  df-res 5261  df-ima 5262  df-pred 5823  df-ord 5869  df-on 5870  df-lim 5871  df-suc 5872  df-iota 5994  df-fun 6033  df-fn 6034  df-f 6035  df-f1 6036  df-fo 6037  df-f1o 6038  df-fv 6039  df-om 7212  df-wrecs 7558  df-recs 7620  df-rdg 7658 This theorem is referenced by:  fin23lem36  9371  fin23lem38  9372  fin23lem39  9373
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