Theorem ismre 16073

Description: Property of being a Moore collection on some base set. (Contributed by Stefan O'Rear, 30-Jan-2015.)

Assertion

Ref	Expression
ismre	⊢ (𝐶 ∈ (Moore‘𝑋) ↔ (𝐶 ⊆ 𝒫 𝑋 ∧ 𝑋 ∈ 𝐶 ∧ ∀𝑠 ∈ 𝒫 𝐶(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝐶)))

Distinct variable groups:   𝐶,𝑠   𝑋,𝑠

Proof of Theorem ismre

Dummy variables 𝑐 𝑥 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		elfvex 6131	. 2 ⊢ (𝐶 ∈ (Moore‘𝑋) → 𝑋 ∈ V)
2		elex 3185	. . 3 ⊢ (𝑋 ∈ 𝐶 → 𝑋 ∈ V)
3	2	3ad2ant2 1076	. 2 ⊢ ((𝐶 ⊆ 𝒫 𝑋 ∧ 𝑋 ∈ 𝐶 ∧ ∀𝑠 ∈ 𝒫 𝐶(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝐶)) → 𝑋 ∈ V)
4		pweq 4111	. . . . . . 7 ⊢ (𝑥 = 𝑋 → 𝒫 𝑥 = 𝒫 𝑋)
5	4	pweqd 4113	. . . . . 6 ⊢ (𝑥 = 𝑋 → 𝒫 𝒫 𝑥 = 𝒫 𝒫 𝑋)
6		eleq1 2676	. . . . . . 7 ⊢ (𝑥 = 𝑋 → (𝑥 ∈ 𝑐 ↔ 𝑋 ∈ 𝑐))
7	6	anbi1d 737	. . . . . 6 ⊢ (𝑥 = 𝑋 → ((𝑥 ∈ 𝑐 ∧ ∀𝑠 ∈ 𝒫 𝑐(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝑐)) ↔ (𝑋 ∈ 𝑐 ∧ ∀𝑠 ∈ 𝒫 𝑐(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝑐))))
8	5, 7	rabeqbidv 3168	. . . . 5 ⊢ (𝑥 = 𝑋 → {𝑐 ∈ 𝒫 𝒫 𝑥 ∣ (𝑥 ∈ 𝑐 ∧ ∀𝑠 ∈ 𝒫 𝑐(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝑐))} = {𝑐 ∈ 𝒫 𝒫 𝑋 ∣ (𝑋 ∈ 𝑐 ∧ ∀𝑠 ∈ 𝒫 𝑐(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝑐))})
9		df-mre 16069	. . . . 5 ⊢ Moore = (𝑥 ∈ V ↦ {𝑐 ∈ 𝒫 𝒫 𝑥 ∣ (𝑥 ∈ 𝑐 ∧ ∀𝑠 ∈ 𝒫 𝑐(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝑐))})
10		vpwex 4775	. . . . . . 7 ⊢ 𝒫 𝑥 ∈ V
11	10	pwex 4774	. . . . . 6 ⊢ 𝒫 𝒫 𝑥 ∈ V
12	11	rabex 4740	. . . . 5 ⊢ {𝑐 ∈ 𝒫 𝒫 𝑥 ∣ (𝑥 ∈ 𝑐 ∧ ∀𝑠 ∈ 𝒫 𝑐(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝑐))} ∈ V
13	8, 9, 12	fvmpt3i 6196	. . . 4 ⊢ (𝑋 ∈ V → (Moore‘𝑋) = {𝑐 ∈ 𝒫 𝒫 𝑋 ∣ (𝑋 ∈ 𝑐 ∧ ∀𝑠 ∈ 𝒫 𝑐(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝑐))})
14	13	eleq2d 2673	. . 3 ⊢ (𝑋 ∈ V → (𝐶 ∈ (Moore‘𝑋) ↔ 𝐶 ∈ {𝑐 ∈ 𝒫 𝒫 𝑋 ∣ (𝑋 ∈ 𝑐 ∧ ∀𝑠 ∈ 𝒫 𝑐(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝑐))}))
15		eleq2 2677	. . . . . 6 ⊢ (𝑐 = 𝐶 → (𝑋 ∈ 𝑐 ↔ 𝑋 ∈ 𝐶))
16		pweq 4111	. . . . . . 7 ⊢ (𝑐 = 𝐶 → 𝒫 𝑐 = 𝒫 𝐶)
17		eleq2 2677	. . . . . . . 8 ⊢ (𝑐 = 𝐶 → (∩ 𝑠 ∈ 𝑐 ↔ ∩ 𝑠 ∈ 𝐶))
18	17	imbi2d 329	. . . . . . 7 ⊢ (𝑐 = 𝐶 → ((𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝑐) ↔ (𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝐶)))
19	16, 18	raleqbidv 3129	. . . . . 6 ⊢ (𝑐 = 𝐶 → (∀𝑠 ∈ 𝒫 𝑐(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝑐) ↔ ∀𝑠 ∈ 𝒫 𝐶(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝐶)))
20	15, 19	anbi12d 743	. . . . 5 ⊢ (𝑐 = 𝐶 → ((𝑋 ∈ 𝑐 ∧ ∀𝑠 ∈ 𝒫 𝑐(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝑐)) ↔ (𝑋 ∈ 𝐶 ∧ ∀𝑠 ∈ 𝒫 𝐶(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝐶))))
21	20	elrab 3331	. . . 4 ⊢ (𝐶 ∈ {𝑐 ∈ 𝒫 𝒫 𝑋 ∣ (𝑋 ∈ 𝑐 ∧ ∀𝑠 ∈ 𝒫 𝑐(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝑐))} ↔ (𝐶 ∈ 𝒫 𝒫 𝑋 ∧ (𝑋 ∈ 𝐶 ∧ ∀𝑠 ∈ 𝒫 𝐶(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝐶))))
22	21	a1i 11	. . 3 ⊢ (𝑋 ∈ V → (𝐶 ∈ {𝑐 ∈ 𝒫 𝒫 𝑋 ∣ (𝑋 ∈ 𝑐 ∧ ∀𝑠 ∈ 𝒫 𝑐(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝑐))} ↔ (𝐶 ∈ 𝒫 𝒫 𝑋 ∧ (𝑋 ∈ 𝐶 ∧ ∀𝑠 ∈ 𝒫 𝐶(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝐶)))))
23		pwexg 4776	. . . . . 6 ⊢ (𝑋 ∈ V → 𝒫 𝑋 ∈ V)
24		elpw2g 4754	. . . . . 6 ⊢ (𝒫 𝑋 ∈ V → (𝐶 ∈ 𝒫 𝒫 𝑋 ↔ 𝐶 ⊆ 𝒫 𝑋))
25	23, 24	syl 17	. . . . 5 ⊢ (𝑋 ∈ V → (𝐶 ∈ 𝒫 𝒫 𝑋 ↔ 𝐶 ⊆ 𝒫 𝑋))
26	25	anbi1d 737	. . . 4 ⊢ (𝑋 ∈ V → ((𝐶 ∈ 𝒫 𝒫 𝑋 ∧ (𝑋 ∈ 𝐶 ∧ ∀𝑠 ∈ 𝒫 𝐶(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝐶))) ↔ (𝐶 ⊆ 𝒫 𝑋 ∧ (𝑋 ∈ 𝐶 ∧ ∀𝑠 ∈ 𝒫 𝐶(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝐶)))))
27		3anass 1035	. . . 4 ⊢ ((𝐶 ⊆ 𝒫 𝑋 ∧ 𝑋 ∈ 𝐶 ∧ ∀𝑠 ∈ 𝒫 𝐶(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝐶)) ↔ (𝐶 ⊆ 𝒫 𝑋 ∧ (𝑋 ∈ 𝐶 ∧ ∀𝑠 ∈ 𝒫 𝐶(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝐶))))
28	26, 27	syl6bbr 277	. . 3 ⊢ (𝑋 ∈ V → ((𝐶 ∈ 𝒫 𝒫 𝑋 ∧ (𝑋 ∈ 𝐶 ∧ ∀𝑠 ∈ 𝒫 𝐶(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝐶))) ↔ (𝐶 ⊆ 𝒫 𝑋 ∧ 𝑋 ∈ 𝐶 ∧ ∀𝑠 ∈ 𝒫 𝐶(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝐶))))
29	14, 22, 28	3bitrd 293	. 2 ⊢ (𝑋 ∈ V → (𝐶 ∈ (Moore‘𝑋) ↔ (𝐶 ⊆ 𝒫 𝑋 ∧ 𝑋 ∈ 𝐶 ∧ ∀𝑠 ∈ 𝒫 𝐶(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝐶))))
30	1, 3, 29	pm5.21nii 367	1 ⊢ (𝐶 ∈ (Moore‘𝑋) ↔ (𝐶 ⊆ 𝒫 𝑋 ∧ 𝑋 ∈ 𝐶 ∧ ∀𝑠 ∈ 𝒫 𝐶(𝑠 ≠ ∅ → ∩ 𝑠 ∈ 𝐶)))

Syntax hints:   → wi 4   ↔ wb 195   ∧ wa 383   ∧ w3a 1031   = wceq 1475   ∈ wcel 1977   ≠ wne 2780  ∀wral 2896  {crab 2900  Vcvv 3173   ⊆ wss 3540  ∅c0 3874  𝒫 cpw 4108  ∩ cint 4410  ‘cfv 5804  Moorecmre 16065

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-pow 4769  ax-pr 4833

This theorem depends on definitions:  df-bi 196  df-or 384  df-an 385  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-nul 3875  df-if 4037  df-pw 4110  df-sn 4126  df-pr 4128  df-op 4132  df-uni 4373  df-br 4584  df-opab 4644  df-mpt 4645  df-id 4953  df-xp 5044  df-rel 5045  df-cnv 5046  df-co 5047  df-dm 5048  df-iota 5768  df-fun 5806  df-fv 5812  df-mre 16069

This theorem is referenced by:  mresspw  16075  mre1cl  16077  mreintcl  16078  ismred  16085