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Theorem ordtypelem2 8307
 Description: Lemma for ordtype 8320. (Contributed by Mario Carneiro, 24-Jun-2015.)
Hypotheses
Ref Expression
ordtypelem.1 𝐹 = recs(𝐺)
ordtypelem.2 𝐶 = {𝑤𝐴 ∣ ∀𝑗 ∈ ran 𝑗𝑅𝑤}
ordtypelem.3 𝐺 = ( ∈ V ↦ (𝑣𝐶𝑢𝐶 ¬ 𝑢𝑅𝑣))
ordtypelem.5 𝑇 = {𝑥 ∈ On ∣ ∃𝑡𝐴𝑧 ∈ (𝐹𝑥)𝑧𝑅𝑡}
ordtypelem.6 𝑂 = OrdIso(𝑅, 𝐴)
ordtypelem.7 (𝜑𝑅 We 𝐴)
ordtypelem.8 (𝜑𝑅 Se 𝐴)
Assertion
Ref Expression
ordtypelem2 (𝜑 → Ord 𝑇)
Distinct variable groups:   𝑣,𝑢,𝐶   ,𝑗,𝑡,𝑢,𝑣,𝑤,𝑥,𝑧,𝑅   𝐴,,𝑗,𝑡,𝑢,𝑣,𝑤,𝑥,𝑧   𝑡,𝑂,𝑢,𝑣,𝑥   𝜑,𝑡,𝑥   ,𝐹,𝑗,𝑡,𝑢,𝑣,𝑤,𝑥,𝑧
Allowed substitution hints:   𝜑(𝑧,𝑤,𝑣,𝑢,,𝑗)   𝐶(𝑥,𝑧,𝑤,𝑡,,𝑗)   𝑇(𝑥,𝑧,𝑤,𝑣,𝑢,𝑡,,𝑗)   𝐺(𝑥,𝑧,𝑤,𝑣,𝑢,𝑡,,𝑗)   𝑂(𝑧,𝑤,,𝑗)

Proof of Theorem ordtypelem2
Dummy variable 𝑎 is distinct from all other variables.
StepHypRef Expression
1 ordtypelem.5 . . . . . . . . . 10 𝑇 = {𝑥 ∈ On ∣ ∃𝑡𝐴𝑧 ∈ (𝐹𝑥)𝑧𝑅𝑡}
2 ssrab2 3650 . . . . . . . . . 10 {𝑥 ∈ On ∣ ∃𝑡𝐴𝑧 ∈ (𝐹𝑥)𝑧𝑅𝑡} ⊆ On
31, 2eqsstri 3598 . . . . . . . . 9 𝑇 ⊆ On
43a1i 11 . . . . . . . 8 (𝜑𝑇 ⊆ On)
54sselda 3568 . . . . . . 7 ((𝜑𝑎𝑇) → 𝑎 ∈ On)
6 onss 6882 . . . . . . 7 (𝑎 ∈ On → 𝑎 ⊆ On)
75, 6syl 17 . . . . . 6 ((𝜑𝑎𝑇) → 𝑎 ⊆ On)
8 eloni 5650 . . . . . . . 8 (𝑎 ∈ On → Ord 𝑎)
95, 8syl 17 . . . . . . 7 ((𝜑𝑎𝑇) → Ord 𝑎)
10 imaeq2 5381 . . . . . . . . . . . 12 (𝑥 = 𝑎 → (𝐹𝑥) = (𝐹𝑎))
1110raleqdv 3121 . . . . . . . . . . 11 (𝑥 = 𝑎 → (∀𝑧 ∈ (𝐹𝑥)𝑧𝑅𝑡 ↔ ∀𝑧 ∈ (𝐹𝑎)𝑧𝑅𝑡))
1211rexbidv 3034 . . . . . . . . . 10 (𝑥 = 𝑎 → (∃𝑡𝐴𝑧 ∈ (𝐹𝑥)𝑧𝑅𝑡 ↔ ∃𝑡𝐴𝑧 ∈ (𝐹𝑎)𝑧𝑅𝑡))
1312, 1elrab2 3333 . . . . . . . . 9 (𝑎𝑇 ↔ (𝑎 ∈ On ∧ ∃𝑡𝐴𝑧 ∈ (𝐹𝑎)𝑧𝑅𝑡))
1413simprbi 479 . . . . . . . 8 (𝑎𝑇 → ∃𝑡𝐴𝑧 ∈ (𝐹𝑎)𝑧𝑅𝑡)
1514adantl 481 . . . . . . 7 ((𝜑𝑎𝑇) → ∃𝑡𝐴𝑧 ∈ (𝐹𝑎)𝑧𝑅𝑡)
16 ordelss 5656 . . . . . . . . 9 ((Ord 𝑎𝑥𝑎) → 𝑥𝑎)
17 imass2 5420 . . . . . . . . 9 (𝑥𝑎 → (𝐹𝑥) ⊆ (𝐹𝑎))
18 ssralv 3629 . . . . . . . . . 10 ((𝐹𝑥) ⊆ (𝐹𝑎) → (∀𝑧 ∈ (𝐹𝑎)𝑧𝑅𝑡 → ∀𝑧 ∈ (𝐹𝑥)𝑧𝑅𝑡))
1918reximdv 2999 . . . . . . . . 9 ((𝐹𝑥) ⊆ (𝐹𝑎) → (∃𝑡𝐴𝑧 ∈ (𝐹𝑎)𝑧𝑅𝑡 → ∃𝑡𝐴𝑧 ∈ (𝐹𝑥)𝑧𝑅𝑡))
2016, 17, 193syl 18 . . . . . . . 8 ((Ord 𝑎𝑥𝑎) → (∃𝑡𝐴𝑧 ∈ (𝐹𝑎)𝑧𝑅𝑡 → ∃𝑡𝐴𝑧 ∈ (𝐹𝑥)𝑧𝑅𝑡))
2120ralrimdva 2952 . . . . . . 7 (Ord 𝑎 → (∃𝑡𝐴𝑧 ∈ (𝐹𝑎)𝑧𝑅𝑡 → ∀𝑥𝑎𝑡𝐴𝑧 ∈ (𝐹𝑥)𝑧𝑅𝑡))
229, 15, 21sylc 63 . . . . . 6 ((𝜑𝑎𝑇) → ∀𝑥𝑎𝑡𝐴𝑧 ∈ (𝐹𝑥)𝑧𝑅𝑡)
23 ssrab 3643 . . . . . 6 (𝑎 ⊆ {𝑥 ∈ On ∣ ∃𝑡𝐴𝑧 ∈ (𝐹𝑥)𝑧𝑅𝑡} ↔ (𝑎 ⊆ On ∧ ∀𝑥𝑎𝑡𝐴𝑧 ∈ (𝐹𝑥)𝑧𝑅𝑡))
247, 22, 23sylanbrc 695 . . . . 5 ((𝜑𝑎𝑇) → 𝑎 ⊆ {𝑥 ∈ On ∣ ∃𝑡𝐴𝑧 ∈ (𝐹𝑥)𝑧𝑅𝑡})
2524, 1syl6sseqr 3615 . . . 4 ((𝜑𝑎𝑇) → 𝑎𝑇)
2625ralrimiva 2949 . . 3 (𝜑 → ∀𝑎𝑇 𝑎𝑇)
27 dftr3 4684 . . 3 (Tr 𝑇 ↔ ∀𝑎𝑇 𝑎𝑇)
2826, 27sylibr 223 . 2 (𝜑 → Tr 𝑇)
29 ordon 6874 . . 3 Ord On
30 trssord 5657 . . 3 ((Tr 𝑇𝑇 ⊆ On ∧ Ord On) → Ord 𝑇)
313, 29, 30mp3an23 1408 . 2 (Tr 𝑇 → Ord 𝑇)
3228, 31syl 17 1 (𝜑 → Ord 𝑇)
 Colors of variables: wff setvar class Syntax hints:  ¬ wn 3   → wi 4   ∧ wa 383   = wceq 1475   ∈ wcel 1977  ∀wral 2896  ∃wrex 2897  {crab 2900  Vcvv 3173   ⊆ wss 3540   class class class wbr 4583   ↦ cmpt 4643  Tr wtr 4680   Se wse 4995   We wwe 4996  ran crn 5039   “ cima 5041  Ord word 5639  Oncon0 5640  ℩crio 6510  recscrecs 7354  OrdIsocoi 8297 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1713  ax-4 1728  ax-5 1827  ax-6 1875  ax-7 1922  ax-8 1979  ax-9 1986  ax-10 2006  ax-11 2021  ax-12 2034  ax-13 2234  ax-ext 2590  ax-sep 4709  ax-nul 4717  ax-pr 4833  ax-un 6847 This theorem depends on definitions:  df-bi 196  df-or 384  df-an 385  df-3or 1032  df-3an 1033  df-tru 1478  df-ex 1696  df-nf 1701  df-sb 1868  df-eu 2462  df-mo 2463  df-clab 2597  df-cleq 2603  df-clel 2606  df-nfc 2740  df-ne 2782  df-ral 2901  df-rex 2902  df-rab 2905  df-v 3175  df-sbc 3403  df-dif 3543  df-un 3545  df-in 3547  df-ss 3554  df-pss 3556  df-nul 3875  df-if 4037  df-sn 4126  df-pr 4128  df-tp 4130  df-op 4132  df-uni 4373  df-br 4584  df-opab 4644  df-tr 4681  df-eprel 4949  df-po 4959  df-so 4960  df-fr 4997  df-we 4999  df-xp 5044  df-cnv 5046  df-dm 5048  df-rn 5049  df-res 5050  df-ima 5051  df-ord 5643  df-on 5644 This theorem is referenced by:  ordtypelem5  8310  ordtypelem6  8311  ordtypelem7  8312  ordtypelem8  8313  ordtypelem9  8314
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