MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  grudomon Structured version   Visualization version   GIF version

Theorem grudomon 9624
Description: Each ordinal that is comparable with an element of the universe is in the universe. (Contributed by Mario Carneiro, 10-Jun-2013.)
Assertion
Ref Expression
grudomon ((𝑈 ∈ Univ ∧ 𝐴 ∈ On ∧ (𝐵𝑈𝐴𝐵)) → 𝐴𝑈)

Proof of Theorem grudomon
Dummy variables 𝑥 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 breq1 4647 . . . . . . . 8 (𝑥 = 𝑦 → (𝑥𝐵𝑦𝐵))
2 eleq1 2687 . . . . . . . 8 (𝑥 = 𝑦 → (𝑥𝑈𝑦𝑈))
31, 2imbi12d 334 . . . . . . 7 (𝑥 = 𝑦 → ((𝑥𝐵𝑥𝑈) ↔ (𝑦𝐵𝑦𝑈)))
43imbi2d 330 . . . . . 6 (𝑥 = 𝑦 → (((𝑈 ∈ Univ ∧ 𝐵𝑈) → (𝑥𝐵𝑥𝑈)) ↔ ((𝑈 ∈ Univ ∧ 𝐵𝑈) → (𝑦𝐵𝑦𝑈))))
5 breq1 4647 . . . . . . . 8 (𝑥 = 𝐴 → (𝑥𝐵𝐴𝐵))
6 eleq1 2687 . . . . . . . 8 (𝑥 = 𝐴 → (𝑥𝑈𝐴𝑈))
75, 6imbi12d 334 . . . . . . 7 (𝑥 = 𝐴 → ((𝑥𝐵𝑥𝑈) ↔ (𝐴𝐵𝐴𝑈)))
87imbi2d 330 . . . . . 6 (𝑥 = 𝐴 → (((𝑈 ∈ Univ ∧ 𝐵𝑈) → (𝑥𝐵𝑥𝑈)) ↔ ((𝑈 ∈ Univ ∧ 𝐵𝑈) → (𝐴𝐵𝐴𝑈))))
9 r19.21v 2957 . . . . . . 7 (∀𝑦𝑥 ((𝑈 ∈ Univ ∧ 𝐵𝑈) → (𝑦𝐵𝑦𝑈)) ↔ ((𝑈 ∈ Univ ∧ 𝐵𝑈) → ∀𝑦𝑥 (𝑦𝐵𝑦𝑈)))
10 simpl1 1062 . . . . . . . . . . . . . . . 16 (((𝑥 ∈ On ∧ 𝑈 ∈ Univ ∧ 𝐵𝑈) ∧ 𝑥𝐵) → 𝑥 ∈ On)
11 vex 3198 . . . . . . . . . . . . . . . . 17 𝑥 ∈ V
12 onelss 5754 . . . . . . . . . . . . . . . . . 18 (𝑥 ∈ On → (𝑦𝑥𝑦𝑥))
1312imp 445 . . . . . . . . . . . . . . . . 17 ((𝑥 ∈ On ∧ 𝑦𝑥) → 𝑦𝑥)
14 ssdomg 7986 . . . . . . . . . . . . . . . . 17 (𝑥 ∈ V → (𝑦𝑥𝑦𝑥))
1511, 13, 14mpsyl 68 . . . . . . . . . . . . . . . 16 ((𝑥 ∈ On ∧ 𝑦𝑥) → 𝑦𝑥)
1610, 15sylan 488 . . . . . . . . . . . . . . 15 ((((𝑥 ∈ On ∧ 𝑈 ∈ Univ ∧ 𝐵𝑈) ∧ 𝑥𝐵) ∧ 𝑦𝑥) → 𝑦𝑥)
17 simplr 791 . . . . . . . . . . . . . . 15 ((((𝑥 ∈ On ∧ 𝑈 ∈ Univ ∧ 𝐵𝑈) ∧ 𝑥𝐵) ∧ 𝑦𝑥) → 𝑥𝐵)
18 domtr 7994 . . . . . . . . . . . . . . 15 ((𝑦𝑥𝑥𝐵) → 𝑦𝐵)
1916, 17, 18syl2anc 692 . . . . . . . . . . . . . 14 ((((𝑥 ∈ On ∧ 𝑈 ∈ Univ ∧ 𝐵𝑈) ∧ 𝑥𝐵) ∧ 𝑦𝑥) → 𝑦𝐵)
20 pm2.27 42 . . . . . . . . . . . . . 14 (𝑦𝐵 → ((𝑦𝐵𝑦𝑈) → 𝑦𝑈))
2119, 20syl 17 . . . . . . . . . . . . 13 ((((𝑥 ∈ On ∧ 𝑈 ∈ Univ ∧ 𝐵𝑈) ∧ 𝑥𝐵) ∧ 𝑦𝑥) → ((𝑦𝐵𝑦𝑈) → 𝑦𝑈))
2221ralimdva 2959 . . . . . . . . . . . 12 (((𝑥 ∈ On ∧ 𝑈 ∈ Univ ∧ 𝐵𝑈) ∧ 𝑥𝐵) → (∀𝑦𝑥 (𝑦𝐵𝑦𝑈) → ∀𝑦𝑥 𝑦𝑈))
23 dfss3 3585 . . . . . . . . . . . . 13 (𝑥𝑈 ↔ ∀𝑦𝑥 𝑦𝑈)
24 domeng 7954 . . . . . . . . . . . . . . . 16 (𝐵𝑈 → (𝑥𝐵 ↔ ∃𝑦(𝑥𝑦𝑦𝐵)))
25243ad2ant3 1082 . . . . . . . . . . . . . . 15 ((𝑥 ∈ On ∧ 𝑈 ∈ Univ ∧ 𝐵𝑈) → (𝑥𝐵 ↔ ∃𝑦(𝑥𝑦𝑦𝐵)))
2625biimpa 501 . . . . . . . . . . . . . 14 (((𝑥 ∈ On ∧ 𝑈 ∈ Univ ∧ 𝐵𝑈) ∧ 𝑥𝐵) → ∃𝑦(𝑥𝑦𝑦𝐵))
27 simpl2 1063 . . . . . . . . . . . . . . 15 (((𝑥 ∈ On ∧ 𝑈 ∈ Univ ∧ 𝐵𝑈) ∧ 𝑥𝐵) → 𝑈 ∈ Univ)
28 gruss 9603 . . . . . . . . . . . . . . . . . . . . 21 ((𝑈 ∈ Univ ∧ 𝐵𝑈𝑦𝐵) → 𝑦𝑈)
29283expia 1265 . . . . . . . . . . . . . . . . . . . 20 ((𝑈 ∈ Univ ∧ 𝐵𝑈) → (𝑦𝐵𝑦𝑈))
30293adant1 1077 . . . . . . . . . . . . . . . . . . 19 ((𝑥 ∈ On ∧ 𝑈 ∈ Univ ∧ 𝐵𝑈) → (𝑦𝐵𝑦𝑈))
3130adantr 481 . . . . . . . . . . . . . . . . . 18 (((𝑥 ∈ On ∧ 𝑈 ∈ Univ ∧ 𝐵𝑈) ∧ 𝑥𝐵) → (𝑦𝐵𝑦𝑈))
32 ensym 7990 . . . . . . . . . . . . . . . . . . 19 (𝑥𝑦𝑦𝑥)
3332a1i 11 . . . . . . . . . . . . . . . . . 18 (((𝑥 ∈ On ∧ 𝑈 ∈ Univ ∧ 𝐵𝑈) ∧ 𝑥𝐵) → (𝑥𝑦𝑦𝑥))
3431, 33anim12d 585 . . . . . . . . . . . . . . . . 17 (((𝑥 ∈ On ∧ 𝑈 ∈ Univ ∧ 𝐵𝑈) ∧ 𝑥𝐵) → ((𝑦𝐵𝑥𝑦) → (𝑦𝑈𝑦𝑥)))
3534ancomsd 470 . . . . . . . . . . . . . . . 16 (((𝑥 ∈ On ∧ 𝑈 ∈ Univ ∧ 𝐵𝑈) ∧ 𝑥𝐵) → ((𝑥𝑦𝑦𝐵) → (𝑦𝑈𝑦𝑥)))
3635eximdv 1844 . . . . . . . . . . . . . . 15 (((𝑥 ∈ On ∧ 𝑈 ∈ Univ ∧ 𝐵𝑈) ∧ 𝑥𝐵) → (∃𝑦(𝑥𝑦𝑦𝐵) → ∃𝑦(𝑦𝑈𝑦𝑥)))
37 gruen 9619 . . . . . . . . . . . . . . . . . 18 ((𝑈 ∈ Univ ∧ 𝑥𝑈 ∧ (𝑦𝑈𝑦𝑥)) → 𝑥𝑈)
38373com23 1269 . . . . . . . . . . . . . . . . 17 ((𝑈 ∈ Univ ∧ (𝑦𝑈𝑦𝑥) ∧ 𝑥𝑈) → 𝑥𝑈)
39383exp 1262 . . . . . . . . . . . . . . . 16 (𝑈 ∈ Univ → ((𝑦𝑈𝑦𝑥) → (𝑥𝑈𝑥𝑈)))
4039exlimdv 1859 . . . . . . . . . . . . . . 15 (𝑈 ∈ Univ → (∃𝑦(𝑦𝑈𝑦𝑥) → (𝑥𝑈𝑥𝑈)))
4127, 36, 40sylsyld 61 . . . . . . . . . . . . . 14 (((𝑥 ∈ On ∧ 𝑈 ∈ Univ ∧ 𝐵𝑈) ∧ 𝑥𝐵) → (∃𝑦(𝑥𝑦𝑦𝐵) → (𝑥𝑈𝑥𝑈)))
4226, 41mpd 15 . . . . . . . . . . . . 13 (((𝑥 ∈ On ∧ 𝑈 ∈ Univ ∧ 𝐵𝑈) ∧ 𝑥𝐵) → (𝑥𝑈𝑥𝑈))
4323, 42syl5bir 233 . . . . . . . . . . . 12 (((𝑥 ∈ On ∧ 𝑈 ∈ Univ ∧ 𝐵𝑈) ∧ 𝑥𝐵) → (∀𝑦𝑥 𝑦𝑈𝑥𝑈))
4422, 43syld 47 . . . . . . . . . . 11 (((𝑥 ∈ On ∧ 𝑈 ∈ Univ ∧ 𝐵𝑈) ∧ 𝑥𝐵) → (∀𝑦𝑥 (𝑦𝐵𝑦𝑈) → 𝑥𝑈))
4544ex 450 . . . . . . . . . 10 ((𝑥 ∈ On ∧ 𝑈 ∈ Univ ∧ 𝐵𝑈) → (𝑥𝐵 → (∀𝑦𝑥 (𝑦𝐵𝑦𝑈) → 𝑥𝑈)))
4645com23 86 . . . . . . . . 9 ((𝑥 ∈ On ∧ 𝑈 ∈ Univ ∧ 𝐵𝑈) → (∀𝑦𝑥 (𝑦𝐵𝑦𝑈) → (𝑥𝐵𝑥𝑈)))
47463expib 1266 . . . . . . . 8 (𝑥 ∈ On → ((𝑈 ∈ Univ ∧ 𝐵𝑈) → (∀𝑦𝑥 (𝑦𝐵𝑦𝑈) → (𝑥𝐵𝑥𝑈))))
4847a2d 29 . . . . . . 7 (𝑥 ∈ On → (((𝑈 ∈ Univ ∧ 𝐵𝑈) → ∀𝑦𝑥 (𝑦𝐵𝑦𝑈)) → ((𝑈 ∈ Univ ∧ 𝐵𝑈) → (𝑥𝐵𝑥𝑈))))
499, 48syl5bi 232 . . . . . 6 (𝑥 ∈ On → (∀𝑦𝑥 ((𝑈 ∈ Univ ∧ 𝐵𝑈) → (𝑦𝐵𝑦𝑈)) → ((𝑈 ∈ Univ ∧ 𝐵𝑈) → (𝑥𝐵𝑥𝑈))))
504, 8, 49tfis3 7042 . . . . 5 (𝐴 ∈ On → ((𝑈 ∈ Univ ∧ 𝐵𝑈) → (𝐴𝐵𝐴𝑈)))
5150com3l 89 . . . 4 ((𝑈 ∈ Univ ∧ 𝐵𝑈) → (𝐴𝐵 → (𝐴 ∈ On → 𝐴𝑈)))
5251impr 648 . . 3 ((𝑈 ∈ Univ ∧ (𝐵𝑈𝐴𝐵)) → (𝐴 ∈ On → 𝐴𝑈))
53523impia 1259 . 2 ((𝑈 ∈ Univ ∧ (𝐵𝑈𝐴𝐵) ∧ 𝐴 ∈ On) → 𝐴𝑈)
54533com23 1269 1 ((𝑈 ∈ Univ ∧ 𝐴 ∈ On ∧ (𝐵𝑈𝐴𝐵)) → 𝐴𝑈)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 196  wa 384  w3a 1036   = wceq 1481  wex 1702  wcel 1988  wral 2909  Vcvv 3195  wss 3567   class class class wbr 4644  Oncon0 5711  cen 7937  cdom 7938  Univcgru 9597
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1720  ax-4 1735  ax-5 1837  ax-6 1886  ax-7 1933  ax-8 1990  ax-9 1997  ax-10 2017  ax-11 2032  ax-12 2045  ax-13 2244  ax-ext 2600  ax-sep 4772  ax-nul 4780  ax-pow 4834  ax-pr 4897  ax-un 6934
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3or 1037  df-3an 1038  df-tru 1484  df-ex 1703  df-nf 1708  df-sb 1879  df-eu 2472  df-mo 2473  df-clab 2607  df-cleq 2613  df-clel 2616  df-nfc 2751  df-ne 2792  df-ral 2914  df-rex 2915  df-rab 2918  df-v 3197  df-sbc 3430  df-dif 3570  df-un 3572  df-in 3574  df-ss 3581  df-pss 3583  df-nul 3908  df-if 4078  df-pw 4151  df-sn 4169  df-pr 4171  df-tp 4173  df-op 4175  df-uni 4428  df-br 4645  df-opab 4704  df-tr 4744  df-id 5014  df-eprel 5019  df-po 5025  df-so 5026  df-fr 5063  df-we 5065  df-xp 5110  df-rel 5111  df-cnv 5112  df-co 5113  df-dm 5114  df-rn 5115  df-res 5116  df-ima 5117  df-ord 5714  df-on 5715  df-iota 5839  df-fun 5878  df-fn 5879  df-f 5880  df-f1 5881  df-fo 5882  df-f1o 5883  df-fv 5884  df-ov 6638  df-oprab 6639  df-mpt2 6640  df-er 7727  df-map 7844  df-en 7941  df-dom 7942  df-gru 9598
This theorem is referenced by:  gruina  9625  grur1  9627
  Copyright terms: Public domain W3C validator