Users' Mathboxes Mathbox for Norm Megill < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  glbconxN Structured version   Visualization version   GIF version

Theorem glbconxN 34982
Description: De Morgan's law for GLB and LUB. Index-set version of glbconN 34981, where we read 𝑆 as 𝑆(𝑖). (Contributed by NM, 17-Jan-2012.) (New usage is discouraged.)
Hypotheses
Ref Expression
glbcon.b 𝐵 = (Base‘𝐾)
glbcon.u 𝑈 = (lub‘𝐾)
glbcon.g 𝐺 = (glb‘𝐾)
glbcon.o = (oc‘𝐾)
Assertion
Ref Expression
glbconxN ((𝐾 ∈ HL ∧ ∀𝑖𝐼 𝑆𝐵) → (𝐺‘{𝑥 ∣ ∃𝑖𝐼 𝑥 = 𝑆}) = ( ‘(𝑈‘{𝑥 ∣ ∃𝑖𝐼 𝑥 = ( 𝑆)})))
Distinct variable groups:   𝑥,𝐵   𝑥,   𝑥,𝑆   𝐵,𝑖   𝑥,𝐼   𝑖,𝐾   ,𝑖,𝑥
Allowed substitution hints:   𝑆(𝑖)   𝑈(𝑥,𝑖)   𝐺(𝑥,𝑖)   𝐼(𝑖)   𝐾(𝑥)

Proof of Theorem glbconxN
Dummy variable 𝑦 is distinct from all other variables.
StepHypRef Expression
1 vex 3234 . . . . . 6 𝑦 ∈ V
2 eqeq1 2655 . . . . . . 7 (𝑥 = 𝑦 → (𝑥 = 𝑆𝑦 = 𝑆))
32rexbidv 3081 . . . . . 6 (𝑥 = 𝑦 → (∃𝑖𝐼 𝑥 = 𝑆 ↔ ∃𝑖𝐼 𝑦 = 𝑆))
41, 3elab 3382 . . . . 5 (𝑦 ∈ {𝑥 ∣ ∃𝑖𝐼 𝑥 = 𝑆} ↔ ∃𝑖𝐼 𝑦 = 𝑆)
5 nfra1 2970 . . . . . 6 𝑖𝑖𝐼 𝑆𝐵
6 nfv 1883 . . . . . 6 𝑖 𝑦𝐵
7 rsp 2958 . . . . . . 7 (∀𝑖𝐼 𝑆𝐵 → (𝑖𝐼𝑆𝐵))
8 eleq1a 2725 . . . . . . 7 (𝑆𝐵 → (𝑦 = 𝑆𝑦𝐵))
97, 8syl6 35 . . . . . 6 (∀𝑖𝐼 𝑆𝐵 → (𝑖𝐼 → (𝑦 = 𝑆𝑦𝐵)))
105, 6, 9rexlimd 3055 . . . . 5 (∀𝑖𝐼 𝑆𝐵 → (∃𝑖𝐼 𝑦 = 𝑆𝑦𝐵))
114, 10syl5bi 232 . . . 4 (∀𝑖𝐼 𝑆𝐵 → (𝑦 ∈ {𝑥 ∣ ∃𝑖𝐼 𝑥 = 𝑆} → 𝑦𝐵))
1211ssrdv 3642 . . 3 (∀𝑖𝐼 𝑆𝐵 → {𝑥 ∣ ∃𝑖𝐼 𝑥 = 𝑆} ⊆ 𝐵)
13 glbcon.b . . . 4 𝐵 = (Base‘𝐾)
14 glbcon.u . . . 4 𝑈 = (lub‘𝐾)
15 glbcon.g . . . 4 𝐺 = (glb‘𝐾)
16 glbcon.o . . . 4 = (oc‘𝐾)
1713, 14, 15, 16glbconN 34981 . . 3 ((𝐾 ∈ HL ∧ {𝑥 ∣ ∃𝑖𝐼 𝑥 = 𝑆} ⊆ 𝐵) → (𝐺‘{𝑥 ∣ ∃𝑖𝐼 𝑥 = 𝑆}) = ( ‘(𝑈‘{𝑦𝐵 ∣ ( 𝑦) ∈ {𝑥 ∣ ∃𝑖𝐼 𝑥 = 𝑆}})))
1812, 17sylan2 490 . 2 ((𝐾 ∈ HL ∧ ∀𝑖𝐼 𝑆𝐵) → (𝐺‘{𝑥 ∣ ∃𝑖𝐼 𝑥 = 𝑆}) = ( ‘(𝑈‘{𝑦𝐵 ∣ ( 𝑦) ∈ {𝑥 ∣ ∃𝑖𝐼 𝑥 = 𝑆}})))
19 fvex 6239 . . . . . . . 8 ( 𝑦) ∈ V
20 eqeq1 2655 . . . . . . . . 9 (𝑥 = ( 𝑦) → (𝑥 = 𝑆 ↔ ( 𝑦) = 𝑆))
2120rexbidv 3081 . . . . . . . 8 (𝑥 = ( 𝑦) → (∃𝑖𝐼 𝑥 = 𝑆 ↔ ∃𝑖𝐼 ( 𝑦) = 𝑆))
2219, 21elab 3382 . . . . . . 7 (( 𝑦) ∈ {𝑥 ∣ ∃𝑖𝐼 𝑥 = 𝑆} ↔ ∃𝑖𝐼 ( 𝑦) = 𝑆)
2322rabbii 3216 . . . . . 6 {𝑦𝐵 ∣ ( 𝑦) ∈ {𝑥 ∣ ∃𝑖𝐼 𝑥 = 𝑆}} = {𝑦𝐵 ∣ ∃𝑖𝐼 ( 𝑦) = 𝑆}
24 df-rab 2950 . . . . . 6 {𝑦𝐵 ∣ ∃𝑖𝐼 ( 𝑦) = 𝑆} = {𝑦 ∣ (𝑦𝐵 ∧ ∃𝑖𝐼 ( 𝑦) = 𝑆)}
2523, 24eqtri 2673 . . . . 5 {𝑦𝐵 ∣ ( 𝑦) ∈ {𝑥 ∣ ∃𝑖𝐼 𝑥 = 𝑆}} = {𝑦 ∣ (𝑦𝐵 ∧ ∃𝑖𝐼 ( 𝑦) = 𝑆)}
26 nfv 1883 . . . . . . . . . 10 𝑖 𝐾 ∈ HL
2726, 5nfan 1868 . . . . . . . . 9 𝑖(𝐾 ∈ HL ∧ ∀𝑖𝐼 𝑆𝐵)
28 rspa 2959 . . . . . . . . . . 11 ((∀𝑖𝐼 𝑆𝐵𝑖𝐼) → 𝑆𝐵)
29 hlop 34967 . . . . . . . . . . . . . . 15 (𝐾 ∈ HL → 𝐾 ∈ OP)
3013, 16opoccl 34799 . . . . . . . . . . . . . . 15 ((𝐾 ∈ OP ∧ 𝑆𝐵) → ( 𝑆) ∈ 𝐵)
3129, 30sylan 487 . . . . . . . . . . . . . 14 ((𝐾 ∈ HL ∧ 𝑆𝐵) → ( 𝑆) ∈ 𝐵)
32 eleq1a 2725 . . . . . . . . . . . . . 14 (( 𝑆) ∈ 𝐵 → (𝑦 = ( 𝑆) → 𝑦𝐵))
3331, 32syl 17 . . . . . . . . . . . . 13 ((𝐾 ∈ HL ∧ 𝑆𝐵) → (𝑦 = ( 𝑆) → 𝑦𝐵))
3433pm4.71rd 668 . . . . . . . . . . . 12 ((𝐾 ∈ HL ∧ 𝑆𝐵) → (𝑦 = ( 𝑆) ↔ (𝑦𝐵𝑦 = ( 𝑆))))
35 eqcom 2658 . . . . . . . . . . . . . 14 (𝑆 = ( 𝑦) ↔ ( 𝑦) = 𝑆)
3613, 16opcon2b 34802 . . . . . . . . . . . . . . . 16 ((𝐾 ∈ OP ∧ 𝑆𝐵𝑦𝐵) → (𝑆 = ( 𝑦) ↔ 𝑦 = ( 𝑆)))
3729, 36syl3an1 1399 . . . . . . . . . . . . . . 15 ((𝐾 ∈ HL ∧ 𝑆𝐵𝑦𝐵) → (𝑆 = ( 𝑦) ↔ 𝑦 = ( 𝑆)))
38373expa 1284 . . . . . . . . . . . . . 14 (((𝐾 ∈ HL ∧ 𝑆𝐵) ∧ 𝑦𝐵) → (𝑆 = ( 𝑦) ↔ 𝑦 = ( 𝑆)))
3935, 38syl5rbbr 275 . . . . . . . . . . . . 13 (((𝐾 ∈ HL ∧ 𝑆𝐵) ∧ 𝑦𝐵) → (𝑦 = ( 𝑆) ↔ ( 𝑦) = 𝑆))
4039pm5.32da 674 . . . . . . . . . . . 12 ((𝐾 ∈ HL ∧ 𝑆𝐵) → ((𝑦𝐵𝑦 = ( 𝑆)) ↔ (𝑦𝐵 ∧ ( 𝑦) = 𝑆)))
4134, 40bitrd 268 . . . . . . . . . . 11 ((𝐾 ∈ HL ∧ 𝑆𝐵) → (𝑦 = ( 𝑆) ↔ (𝑦𝐵 ∧ ( 𝑦) = 𝑆)))
4228, 41sylan2 490 . . . . . . . . . 10 ((𝐾 ∈ HL ∧ (∀𝑖𝐼 𝑆𝐵𝑖𝐼)) → (𝑦 = ( 𝑆) ↔ (𝑦𝐵 ∧ ( 𝑦) = 𝑆)))
4342anassrs 681 . . . . . . . . 9 (((𝐾 ∈ HL ∧ ∀𝑖𝐼 𝑆𝐵) ∧ 𝑖𝐼) → (𝑦 = ( 𝑆) ↔ (𝑦𝐵 ∧ ( 𝑦) = 𝑆)))
4427, 43rexbida 3076 . . . . . . . 8 ((𝐾 ∈ HL ∧ ∀𝑖𝐼 𝑆𝐵) → (∃𝑖𝐼 𝑦 = ( 𝑆) ↔ ∃𝑖𝐼 (𝑦𝐵 ∧ ( 𝑦) = 𝑆)))
45 r19.42v 3121 . . . . . . . 8 (∃𝑖𝐼 (𝑦𝐵 ∧ ( 𝑦) = 𝑆) ↔ (𝑦𝐵 ∧ ∃𝑖𝐼 ( 𝑦) = 𝑆))
4644, 45syl6rbb 277 . . . . . . 7 ((𝐾 ∈ HL ∧ ∀𝑖𝐼 𝑆𝐵) → ((𝑦𝐵 ∧ ∃𝑖𝐼 ( 𝑦) = 𝑆) ↔ ∃𝑖𝐼 𝑦 = ( 𝑆)))
4746abbidv 2770 . . . . . 6 ((𝐾 ∈ HL ∧ ∀𝑖𝐼 𝑆𝐵) → {𝑦 ∣ (𝑦𝐵 ∧ ∃𝑖𝐼 ( 𝑦) = 𝑆)} = {𝑦 ∣ ∃𝑖𝐼 𝑦 = ( 𝑆)})
48 eqeq1 2655 . . . . . . . 8 (𝑦 = 𝑥 → (𝑦 = ( 𝑆) ↔ 𝑥 = ( 𝑆)))
4948rexbidv 3081 . . . . . . 7 (𝑦 = 𝑥 → (∃𝑖𝐼 𝑦 = ( 𝑆) ↔ ∃𝑖𝐼 𝑥 = ( 𝑆)))
5049cbvabv 2776 . . . . . 6 {𝑦 ∣ ∃𝑖𝐼 𝑦 = ( 𝑆)} = {𝑥 ∣ ∃𝑖𝐼 𝑥 = ( 𝑆)}
5147, 50syl6eq 2701 . . . . 5 ((𝐾 ∈ HL ∧ ∀𝑖𝐼 𝑆𝐵) → {𝑦 ∣ (𝑦𝐵 ∧ ∃𝑖𝐼 ( 𝑦) = 𝑆)} = {𝑥 ∣ ∃𝑖𝐼 𝑥 = ( 𝑆)})
5225, 51syl5eq 2697 . . . 4 ((𝐾 ∈ HL ∧ ∀𝑖𝐼 𝑆𝐵) → {𝑦𝐵 ∣ ( 𝑦) ∈ {𝑥 ∣ ∃𝑖𝐼 𝑥 = 𝑆}} = {𝑥 ∣ ∃𝑖𝐼 𝑥 = ( 𝑆)})
5352fveq2d 6233 . . 3 ((𝐾 ∈ HL ∧ ∀𝑖𝐼 𝑆𝐵) → (𝑈‘{𝑦𝐵 ∣ ( 𝑦) ∈ {𝑥 ∣ ∃𝑖𝐼 𝑥 = 𝑆}}) = (𝑈‘{𝑥 ∣ ∃𝑖𝐼 𝑥 = ( 𝑆)}))
5453fveq2d 6233 . 2 ((𝐾 ∈ HL ∧ ∀𝑖𝐼 𝑆𝐵) → ( ‘(𝑈‘{𝑦𝐵 ∣ ( 𝑦) ∈ {𝑥 ∣ ∃𝑖𝐼 𝑥 = 𝑆}})) = ( ‘(𝑈‘{𝑥 ∣ ∃𝑖𝐼 𝑥 = ( 𝑆)})))
5518, 54eqtrd 2685 1 ((𝐾 ∈ HL ∧ ∀𝑖𝐼 𝑆𝐵) → (𝐺‘{𝑥 ∣ ∃𝑖𝐼 𝑥 = 𝑆}) = ( ‘(𝑈‘{𝑥 ∣ ∃𝑖𝐼 𝑥 = ( 𝑆)})))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 196  wa 383   = wceq 1523  wcel 2030  {cab 2637  wral 2941  wrex 2942  {crab 2945  wss 3607  cfv 5926  Basecbs 15904  occoc 15996  lubclub 16989  glbcglb 16990  OPcops 34777  HLchlt 34955
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1762  ax-4 1777  ax-5 1879  ax-6 1945  ax-7 1981  ax-8 2032  ax-9 2039  ax-10 2059  ax-11 2074  ax-12 2087  ax-13 2282  ax-ext 2631  ax-rep 4804  ax-sep 4814  ax-nul 4822  ax-pow 4873  ax-pr 4936  ax-un 6991  ax-riotaBAD 34557
This theorem depends on definitions:  df-bi 197  df-or 384  df-an 385  df-3an 1056  df-tru 1526  df-ex 1745  df-nf 1750  df-sb 1938  df-eu 2502  df-mo 2503  df-clab 2638  df-cleq 2644  df-clel 2647  df-nfc 2782  df-ne 2824  df-nel 2927  df-ral 2946  df-rex 2947  df-reu 2948  df-rmo 2949  df-rab 2950  df-v 3233  df-sbc 3469  df-csb 3567  df-dif 3610  df-un 3612  df-in 3614  df-ss 3621  df-nul 3949  df-if 4120  df-pw 4193  df-sn 4211  df-pr 4213  df-op 4217  df-uni 4469  df-iun 4554  df-br 4686  df-opab 4746  df-mpt 4763  df-id 5053  df-xp 5149  df-rel 5150  df-cnv 5151  df-co 5152  df-dm 5153  df-rn 5154  df-res 5155  df-ima 5156  df-iota 5889  df-fun 5928  df-fn 5929  df-f 5930  df-f1 5931  df-fo 5932  df-f1o 5933  df-fv 5934  df-riota 6651  df-ov 6693  df-undef 7444  df-lub 17021  df-glb 17022  df-clat 17155  df-oposet 34781  df-ol 34783  df-oml 34784  df-hlat 34956
This theorem is referenced by:  polval2N  35510
  Copyright terms: Public domain W3C validator