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Theorem neicvgel1 44102
Description: A subset being an element of a neighborhood of a point is equivalent to the complement of that subset not being a element of the convergent of that point. (Contributed by RP, 12-Jun-2021.)
Hypotheses
Ref Expression
neicvg.o 𝑂 = (𝑖 ∈ V, 𝑗 ∈ V ↦ (𝑘 ∈ (𝒫 𝑗m 𝑖) ↦ (𝑙𝑗 ↦ {𝑚𝑖𝑙 ∈ (𝑘𝑚)})))
neicvg.p 𝑃 = (𝑛 ∈ V ↦ (𝑝 ∈ (𝒫 𝑛m 𝒫 𝑛) ↦ (𝑜 ∈ 𝒫 𝑛 ↦ (𝑛 ∖ (𝑝‘(𝑛𝑜))))))
neicvg.d 𝐷 = (𝑃𝐵)
neicvg.f 𝐹 = (𝒫 𝐵𝑂𝐵)
neicvg.g 𝐺 = (𝐵𝑂𝒫 𝐵)
neicvg.h 𝐻 = (𝐹 ∘ (𝐷𝐺))
neicvg.r (𝜑𝑁𝐻𝑀)
neicvgel.x (𝜑𝑋𝐵)
neicvgel.s (𝜑𝑆 ∈ 𝒫 𝐵)
Assertion
Ref Expression
neicvgel1 (𝜑 → (𝑆 ∈ (𝑁𝑋) ↔ ¬ (𝐵𝑆) ∈ (𝑀𝑋)))
Distinct variable groups:   𝐵,𝑖,𝑗,𝑘,𝑙,𝑚   𝐵,𝑛,𝑜,𝑝   𝐷,𝑖,𝑗,𝑘,𝑙,𝑚   𝐷,𝑛,𝑜,𝑝   𝑖,𝐹,𝑗,𝑘,𝑙   𝑛,𝐹,𝑜,𝑝   𝑖,𝐺,𝑗,𝑘,𝑙,𝑚   𝑛,𝐺,𝑜,𝑝   𝑖,𝑀,𝑗,𝑘,𝑙   𝑛,𝑀,𝑜,𝑝   𝑖,𝑁,𝑗,𝑘,𝑙,𝑚   𝑛,𝑁,𝑜,𝑝   𝑆,𝑚   𝑆,𝑜   𝑋,𝑙,𝑚   𝜑,𝑖,𝑗,𝑘,𝑙   𝜑,𝑛,𝑜,𝑝
Allowed substitution hints:   𝜑(𝑚)   𝑃(𝑖,𝑗,𝑘,𝑚,𝑛,𝑜,𝑝,𝑙)   𝑆(𝑖,𝑗,𝑘,𝑛,𝑝,𝑙)   𝐹(𝑚)   𝐻(𝑖,𝑗,𝑘,𝑚,𝑛,𝑜,𝑝,𝑙)   𝑀(𝑚)   𝑂(𝑖,𝑗,𝑘,𝑚,𝑛,𝑜,𝑝,𝑙)   𝑋(𝑖,𝑗,𝑘,𝑛,𝑜,𝑝)

Proof of Theorem neicvgel1
StepHypRef Expression
1 neicvg.d . . . 4 𝐷 = (𝑃𝐵)
2 neicvg.h . . . 4 𝐻 = (𝐹 ∘ (𝐷𝐺))
3 neicvg.r . . . 4 (𝜑𝑁𝐻𝑀)
41, 2, 3neicvgbex 44095 . . 3 (𝜑𝐵 ∈ V)
5 neicvg.o . . . . . 6 𝑂 = (𝑖 ∈ V, 𝑗 ∈ V ↦ (𝑘 ∈ (𝒫 𝑗m 𝑖) ↦ (𝑙𝑗 ↦ {𝑚𝑖𝑙 ∈ (𝑘𝑚)})))
6 simpr 484 . . . . . . 7 ((𝜑𝐵 ∈ V) → 𝐵 ∈ V)
76pwexd 5318 . . . . . 6 ((𝜑𝐵 ∈ V) → 𝒫 𝐵 ∈ V)
8 neicvg.f . . . . . 6 𝐹 = (𝒫 𝐵𝑂𝐵)
95, 7, 6, 8fsovf1od 43999 . . . . 5 ((𝜑𝐵 ∈ V) → 𝐹:(𝒫 𝐵m 𝒫 𝐵)–1-1-onto→(𝒫 𝒫 𝐵m 𝐵))
10 f1ofn 6765 . . . . 5 (𝐹:(𝒫 𝐵m 𝒫 𝐵)–1-1-onto→(𝒫 𝒫 𝐵m 𝐵) → 𝐹 Fn (𝒫 𝐵m 𝒫 𝐵))
119, 10syl 17 . . . 4 ((𝜑𝐵 ∈ V) → 𝐹 Fn (𝒫 𝐵m 𝒫 𝐵))
12 neicvg.p . . . . . 6 𝑃 = (𝑛 ∈ V ↦ (𝑝 ∈ (𝒫 𝑛m 𝒫 𝑛) ↦ (𝑜 ∈ 𝒫 𝑛 ↦ (𝑛 ∖ (𝑝‘(𝑛𝑜))))))
1312, 1, 6dssmapf1od 44004 . . . . 5 ((𝜑𝐵 ∈ V) → 𝐷:(𝒫 𝐵m 𝒫 𝐵)–1-1-onto→(𝒫 𝐵m 𝒫 𝐵))
14 f1of 6764 . . . . 5 (𝐷:(𝒫 𝐵m 𝒫 𝐵)–1-1-onto→(𝒫 𝐵m 𝒫 𝐵) → 𝐷:(𝒫 𝐵m 𝒫 𝐵)⟶(𝒫 𝐵m 𝒫 𝐵))
1513, 14syl 17 . . . 4 ((𝜑𝐵 ∈ V) → 𝐷:(𝒫 𝐵m 𝒫 𝐵)⟶(𝒫 𝐵m 𝒫 𝐵))
16 neicvg.g . . . . 5 𝐺 = (𝐵𝑂𝒫 𝐵)
175, 6, 7, 16fsovfd 43995 . . . 4 ((𝜑𝐵 ∈ V) → 𝐺:(𝒫 𝒫 𝐵m 𝐵)⟶(𝒫 𝐵m 𝒫 𝐵))
182breqi 5098 . . . . . 6 (𝑁𝐻𝑀𝑁(𝐹 ∘ (𝐷𝐺))𝑀)
193, 18sylib 218 . . . . 5 (𝜑𝑁(𝐹 ∘ (𝐷𝐺))𝑀)
2019adantr 480 . . . 4 ((𝜑𝐵 ∈ V) → 𝑁(𝐹 ∘ (𝐷𝐺))𝑀)
2111, 15, 17, 20brcofffn 44014 . . 3 ((𝜑𝐵 ∈ V) → (𝑁𝐺(𝐺𝑁) ∧ (𝐺𝑁)𝐷(𝐷‘(𝐺𝑁)) ∧ (𝐷‘(𝐺𝑁))𝐹𝑀))
224, 21mpdan 687 . 2 (𝜑 → (𝑁𝐺(𝐺𝑁) ∧ (𝐺𝑁)𝐷(𝐷‘(𝐺𝑁)) ∧ (𝐷‘(𝐺𝑁))𝐹𝑀))
23 simpr2 1196 . . . 4 ((𝜑 ∧ (𝑁𝐺(𝐺𝑁) ∧ (𝐺𝑁)𝐷(𝐷‘(𝐺𝑁)) ∧ (𝐷‘(𝐺𝑁))𝐹𝑀)) → (𝐺𝑁)𝐷(𝐷‘(𝐺𝑁)))
24 neicvgel.x . . . . 5 (𝜑𝑋𝐵)
2524adantr 480 . . . 4 ((𝜑 ∧ (𝑁𝐺(𝐺𝑁) ∧ (𝐺𝑁)𝐷(𝐷‘(𝐺𝑁)) ∧ (𝐷‘(𝐺𝑁))𝐹𝑀)) → 𝑋𝐵)
26 neicvgel.s . . . . 5 (𝜑𝑆 ∈ 𝒫 𝐵)
2726adantr 480 . . . 4 ((𝜑 ∧ (𝑁𝐺(𝐺𝑁) ∧ (𝐺𝑁)𝐷(𝐷‘(𝐺𝑁)) ∧ (𝐷‘(𝐺𝑁))𝐹𝑀)) → 𝑆 ∈ 𝒫 𝐵)
2812, 1, 23, 25, 27ntrclselnel1 44040 . . 3 ((𝜑 ∧ (𝑁𝐺(𝐺𝑁) ∧ (𝐺𝑁)𝐷(𝐷‘(𝐺𝑁)) ∧ (𝐷‘(𝐺𝑁))𝐹𝑀)) → (𝑋 ∈ ((𝐺𝑁)‘𝑆) ↔ ¬ 𝑋 ∈ ((𝐷‘(𝐺𝑁))‘(𝐵𝑆))))
29 eqid 2729 . . . 4 (𝒫 𝐵𝑂𝐵) = (𝒫 𝐵𝑂𝐵)
30 simpr1 1195 . . . . 5 ((𝜑 ∧ (𝑁𝐺(𝐺𝑁) ∧ (𝐺𝑁)𝐷(𝐷‘(𝐺𝑁)) ∧ (𝐷‘(𝐺𝑁))𝐹𝑀)) → 𝑁𝐺(𝐺𝑁))
3116breqi 5098 . . . . . . 7 (𝑁𝐺(𝐺𝑁) ↔ 𝑁(𝐵𝑂𝒫 𝐵)(𝐺𝑁))
3231a1i 11 . . . . . 6 ((𝜑 ∧ (𝑁𝐺(𝐺𝑁) ∧ (𝐺𝑁)𝐷(𝐷‘(𝐺𝑁)) ∧ (𝐷‘(𝐺𝑁))𝐹𝑀)) → (𝑁𝐺(𝐺𝑁) ↔ 𝑁(𝐵𝑂𝒫 𝐵)(𝐺𝑁)))
334adantr 480 . . . . . . 7 ((𝜑 ∧ (𝑁𝐺(𝐺𝑁) ∧ (𝐺𝑁)𝐷(𝐷‘(𝐺𝑁)) ∧ (𝐷‘(𝐺𝑁))𝐹𝑀)) → 𝐵 ∈ V)
34 id 22 . . . . . . . 8 (𝐵 ∈ V → 𝐵 ∈ V)
35 pwexg 5317 . . . . . . . 8 (𝐵 ∈ V → 𝒫 𝐵 ∈ V)
36 eqid 2729 . . . . . . . 8 (𝐵𝑂𝒫 𝐵) = (𝐵𝑂𝒫 𝐵)
375, 34, 35, 36fsovf1od 43999 . . . . . . 7 (𝐵 ∈ V → (𝐵𝑂𝒫 𝐵):(𝒫 𝒫 𝐵m 𝐵)–1-1-onto→(𝒫 𝐵m 𝒫 𝐵))
38 f1orel 6767 . . . . . . 7 ((𝐵𝑂𝒫 𝐵):(𝒫 𝒫 𝐵m 𝐵)–1-1-onto→(𝒫 𝐵m 𝒫 𝐵) → Rel (𝐵𝑂𝒫 𝐵))
39 relbrcnvg 6056 . . . . . . 7 (Rel (𝐵𝑂𝒫 𝐵) → ((𝐺𝑁)(𝐵𝑂𝒫 𝐵)𝑁𝑁(𝐵𝑂𝒫 𝐵)(𝐺𝑁)))
4033, 37, 38, 394syl 19 . . . . . 6 ((𝜑 ∧ (𝑁𝐺(𝐺𝑁) ∧ (𝐺𝑁)𝐷(𝐷‘(𝐺𝑁)) ∧ (𝐷‘(𝐺𝑁))𝐹𝑀)) → ((𝐺𝑁)(𝐵𝑂𝒫 𝐵)𝑁𝑁(𝐵𝑂𝒫 𝐵)(𝐺𝑁)))
415, 34, 35, 36, 29fsovcnvd 43997 . . . . . . . 8 (𝐵 ∈ V → (𝐵𝑂𝒫 𝐵) = (𝒫 𝐵𝑂𝐵))
4241breqd 5103 . . . . . . 7 (𝐵 ∈ V → ((𝐺𝑁)(𝐵𝑂𝒫 𝐵)𝑁 ↔ (𝐺𝑁)(𝒫 𝐵𝑂𝐵)𝑁))
4333, 42syl 17 . . . . . 6 ((𝜑 ∧ (𝑁𝐺(𝐺𝑁) ∧ (𝐺𝑁)𝐷(𝐷‘(𝐺𝑁)) ∧ (𝐷‘(𝐺𝑁))𝐹𝑀)) → ((𝐺𝑁)(𝐵𝑂𝒫 𝐵)𝑁 ↔ (𝐺𝑁)(𝒫 𝐵𝑂𝐵)𝑁))
4432, 40, 433bitr2d 307 . . . . 5 ((𝜑 ∧ (𝑁𝐺(𝐺𝑁) ∧ (𝐺𝑁)𝐷(𝐷‘(𝐺𝑁)) ∧ (𝐷‘(𝐺𝑁))𝐹𝑀)) → (𝑁𝐺(𝐺𝑁) ↔ (𝐺𝑁)(𝒫 𝐵𝑂𝐵)𝑁))
4530, 44mpbid 232 . . . 4 ((𝜑 ∧ (𝑁𝐺(𝐺𝑁) ∧ (𝐺𝑁)𝐷(𝐷‘(𝐺𝑁)) ∧ (𝐷‘(𝐺𝑁))𝐹𝑀)) → (𝐺𝑁)(𝒫 𝐵𝑂𝐵)𝑁)
465, 29, 45, 25, 27ntrneiel 44064 . . 3 ((𝜑 ∧ (𝑁𝐺(𝐺𝑁) ∧ (𝐺𝑁)𝐷(𝐷‘(𝐺𝑁)) ∧ (𝐷‘(𝐺𝑁))𝐹𝑀)) → (𝑋 ∈ ((𝐺𝑁)‘𝑆) ↔ 𝑆 ∈ (𝑁𝑋)))
47 simpr3 1197 . . . . 5 ((𝜑 ∧ (𝑁𝐺(𝐺𝑁) ∧ (𝐺𝑁)𝐷(𝐷‘(𝐺𝑁)) ∧ (𝐷‘(𝐺𝑁))𝐹𝑀)) → (𝐷‘(𝐺𝑁))𝐹𝑀)
48 difssd 4088 . . . . . . 7 (𝜑 → (𝐵𝑆) ⊆ 𝐵)
494, 48sselpwd 5267 . . . . . 6 (𝜑 → (𝐵𝑆) ∈ 𝒫 𝐵)
5049adantr 480 . . . . 5 ((𝜑 ∧ (𝑁𝐺(𝐺𝑁) ∧ (𝐺𝑁)𝐷(𝐷‘(𝐺𝑁)) ∧ (𝐷‘(𝐺𝑁))𝐹𝑀)) → (𝐵𝑆) ∈ 𝒫 𝐵)
515, 8, 47, 25, 50ntrneiel 44064 . . . 4 ((𝜑 ∧ (𝑁𝐺(𝐺𝑁) ∧ (𝐺𝑁)𝐷(𝐷‘(𝐺𝑁)) ∧ (𝐷‘(𝐺𝑁))𝐹𝑀)) → (𝑋 ∈ ((𝐷‘(𝐺𝑁))‘(𝐵𝑆)) ↔ (𝐵𝑆) ∈ (𝑀𝑋)))
5251notbid 318 . . 3 ((𝜑 ∧ (𝑁𝐺(𝐺𝑁) ∧ (𝐺𝑁)𝐷(𝐷‘(𝐺𝑁)) ∧ (𝐷‘(𝐺𝑁))𝐹𝑀)) → (¬ 𝑋 ∈ ((𝐷‘(𝐺𝑁))‘(𝐵𝑆)) ↔ ¬ (𝐵𝑆) ∈ (𝑀𝑋)))
5328, 46, 523bitr3d 309 . 2 ((𝜑 ∧ (𝑁𝐺(𝐺𝑁) ∧ (𝐺𝑁)𝐷(𝐷‘(𝐺𝑁)) ∧ (𝐷‘(𝐺𝑁))𝐹𝑀)) → (𝑆 ∈ (𝑁𝑋) ↔ ¬ (𝐵𝑆) ∈ (𝑀𝑋)))
5422, 53mpdan 687 1 (𝜑 → (𝑆 ∈ (𝑁𝑋) ↔ ¬ (𝐵𝑆) ∈ (𝑀𝑋)))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 206  wa 395  w3a 1086   = wceq 1540  wcel 2109  {crab 3394  Vcvv 3436  cdif 3900  𝒫 cpw 4551   class class class wbr 5092  cmpt 5173  ccnv 5618  ccom 5623  Rel wrel 5624   Fn wfn 6477  wf 6478  1-1-ontowf1o 6481  cfv 6482  (class class class)co 7349  cmpo 7351  m cmap 8753
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2701  ax-rep 5218  ax-sep 5235  ax-nul 5245  ax-pow 5304  ax-pr 5371  ax-un 7671
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2533  df-eu 2562  df-clab 2708  df-cleq 2721  df-clel 2803  df-nfc 2878  df-ne 2926  df-ral 3045  df-rex 3054  df-reu 3344  df-rab 3395  df-v 3438  df-sbc 3743  df-csb 3852  df-dif 3906  df-un 3908  df-in 3910  df-ss 3920  df-nul 4285  df-if 4477  df-pw 4553  df-sn 4578  df-pr 4580  df-op 4584  df-uni 4859  df-iun 4943  df-br 5093  df-opab 5155  df-mpt 5174  df-id 5514  df-xp 5625  df-rel 5626  df-cnv 5627  df-co 5628  df-dm 5629  df-rn 5630  df-res 5631  df-ima 5632  df-iota 6438  df-fun 6484  df-fn 6485  df-f 6486  df-f1 6487  df-fo 6488  df-f1o 6489  df-fv 6490  df-ov 7352  df-oprab 7353  df-mpo 7354  df-1st 7924  df-2nd 7925  df-map 8755
This theorem is referenced by:  neicvgel2  44103  neicvgfv  44104
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