| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > limcflflem | Structured version Visualization version GIF version | ||
| Description: Lemma for limcflf 26202. (Contributed by Mario Carneiro, 25-Dec-2016.) |
| Ref | Expression |
|---|---|
| limcflf.f | ⊢ (𝜑 → 𝐹:𝐴⟶ℂ) |
| limcflf.a | ⊢ (𝜑 → 𝐴 ⊆ ℂ) |
| limcflf.b | ⊢ (𝜑 → 𝐵 ∈ ((limPt‘𝐾)‘𝐴)) |
| limcflf.k | ⊢ 𝐾 = (TopOpen‘ℂfld) |
| limcflf.c | ⊢ 𝐶 = (𝐴 ∖ {𝐵}) |
| limcflf.l | ⊢ 𝐿 = (((nei‘𝐾)‘{𝐵}) ↾t 𝐶) |
| Ref | Expression |
|---|---|
| limcflflem | ⊢ (𝜑 → 𝐿 ∈ (Fil‘𝐶)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | limcflf.l | . 2 ⊢ 𝐿 = (((nei‘𝐾)‘{𝐵}) ↾t 𝐶) | |
| 2 | limcflf.b | . . . . 5 ⊢ (𝜑 → 𝐵 ∈ ((limPt‘𝐾)‘𝐴)) | |
| 3 | limcflf.k | . . . . . . 7 ⊢ 𝐾 = (TopOpen‘ℂfld) | |
| 4 | 3 | cnfldtop 25103 | . . . . . 6 ⊢ 𝐾 ∈ Top |
| 5 | limcflf.a | . . . . . 6 ⊢ (𝜑 → 𝐴 ⊆ ℂ) | |
| 6 | 3 | cnfldtopon 25102 | . . . . . . . 8 ⊢ 𝐾 ∈ (TopOn‘ℂ) |
| 7 | 6 | toponunii 23235 | . . . . . . 7 ⊢ ℂ = ∪ 𝐾 |
| 8 | 7 | islp 23459 | . . . . . 6 ⊢ ((𝐾 ∈ Top ∧ 𝐴 ⊆ ℂ) → (𝐵 ∈ ((limPt‘𝐾)‘𝐴) ↔ 𝐵 ∈ ((cls‘𝐾)‘(𝐴 ∖ {𝐵})))) |
| 9 | 4, 5, 8 | sylancr 599 | . . . . 5 ⊢ (𝜑 → (𝐵 ∈ ((limPt‘𝐾)‘𝐴) ↔ 𝐵 ∈ ((cls‘𝐾)‘(𝐴 ∖ {𝐵})))) |
| 10 | 2, 9 | mpbid 235 | . . . 4 ⊢ (𝜑 → 𝐵 ∈ ((cls‘𝐾)‘(𝐴 ∖ {𝐵}))) |
| 11 | limcflf.c | . . . . 5 ⊢ 𝐶 = (𝐴 ∖ {𝐵}) | |
| 12 | 11 | fveq2i 6889 | . . . 4 ⊢ ((cls‘𝐾)‘𝐶) = ((cls‘𝐾)‘(𝐴 ∖ {𝐵})) |
| 13 | 10, 12 | eleqtrrdi 2872 | . . 3 ⊢ (𝜑 → 𝐵 ∈ ((cls‘𝐾)‘𝐶)) |
| 14 | difss 4083 | . . . . . 6 ⊢ (𝐴 ∖ {𝐵}) ⊆ 𝐴 | |
| 15 | 11, 14 | eqsstri 3975 | . . . . 5 ⊢ 𝐶 ⊆ 𝐴 |
| 16 | 15, 5 | sstrid 3940 | . . . 4 ⊢ (𝜑 → 𝐶 ⊆ ℂ) |
| 17 | 7 | lpss 23461 | . . . . . 6 ⊢ ((𝐾 ∈ Top ∧ 𝐴 ⊆ ℂ) → ((limPt‘𝐾)‘𝐴) ⊆ ℂ) |
| 18 | 4, 5, 17 | sylancr 599 | . . . . 5 ⊢ (𝜑 → ((limPt‘𝐾)‘𝐴) ⊆ ℂ) |
| 19 | 18, 2 | sseldd 3930 | . . . 4 ⊢ (𝜑 → 𝐵 ∈ ℂ) |
| 20 | trnei 24212 | . . . 4 ⊢ ((𝐾 ∈ (TopOn‘ℂ) ∧ 𝐶 ⊆ ℂ ∧ 𝐵 ∈ ℂ) → (𝐵 ∈ ((cls‘𝐾)‘𝐶) ↔ (((nei‘𝐾)‘{𝐵}) ↾t 𝐶) ∈ (Fil‘𝐶))) | |
| 21 | 6, 16, 19, 20 | mp3an2i 1495 | . . 3 ⊢ (𝜑 → (𝐵 ∈ ((cls‘𝐾)‘𝐶) ↔ (((nei‘𝐾)‘{𝐵}) ↾t 𝐶) ∈ (Fil‘𝐶))) |
| 22 | 13, 21 | mpbid 235 | . 2 ⊢ (𝜑 → (((nei‘𝐾)‘{𝐵}) ↾t 𝐶) ∈ (Fil‘𝐶)) |
| 23 | 1, 22 | eqeltrid 2865 | 1 ⊢ (𝜑 → 𝐿 ∈ (Fil‘𝐶)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 = wceq 1570 ∈ wcel 2145 ∖ cdif 3896 ⊆ wss 3914 {csn 4584 ⟶wf 6535 ‘cfv 6539 (class class class)co 7421 ℂcc 11199 ↾t crest 17592 TopOpenctopn 17593 ℂfldccnfld 21679 Topctop 23212 TopOnctopon 23229 clsccl 23337 neicnei 23416 limPtclp 23453 Filcfil 24165 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7752 ax-cnex 11257 ax-resscn 11258 ax-1cn 11259 ax-icn 11260 ax-addcl 11261 ax-addrcl 11262 ax-mulcl 11263 ax-mulrcl 11264 ax-mulcom 11265 ax-addass 11266 ax-mulass 11267 ax-distr 11268 ax-i2m1 11269 ax-1ne0 11270 ax-1rid 11271 ax-rnegex 11272 ax-rrecex 11273 ax-cnre 11274 ax-pre-lttri 11275 ax-pre-lttrn 11276 ax-pre-ltadd 11277 ax-pre-mulgt0 11278 ax-pre-sup 11279 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3900 df-un 3902 df-in 3904 df-ss 3915 df-pss 4035 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-uni 4868 df-int 4908 df-iun 4953 df-iin 4954 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6305 df-ord 6366 df-on 6367 df-lim 6368 df-suc 6369 df-iota 6495 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-riota 7378 df-ov 7424 df-oprab 7425 df-mpo 7426 df-om 7879 df-1st 8002 df-2nd 8003 df-frecs 8300 df-wrecs 8331 df-recs 8380 df-rdg 8419 df-1o 8477 df-er 8718 df-map 8850 df-en 8975 df-dom 8976 df-sdom 8977 df-fin 8978 df-sup 9435 df-inf 9436 df-pnf 11346 df-mnf 11347 df-xr 11348 df-ltxr 11349 df-le 11350 df-sub 11544 df-neg 11545 df-div 11975 df-nn 12337 df-2 12406 df-3 12407 df-4 12408 df-5 12409 df-6 12410 df-7 12411 df-8 12412 df-9 12413 df-n0 12608 df-z 12695 df-dec 12816 df-uz 12967 df-q 13077 df-rp 13122 df-xneg 13242 df-xadd 13243 df-xmul 13244 df-fz 13641 df-seq 14146 df-exp 14206 df-cj 15267 df-re 15268 df-im 15269 df-sqrt 15403 df-abs 15404 df-struct 17326 df-slot 17361 df-ndx 17373 df-base 17389 df-plusg 17442 df-mulr 17443 df-starv 17444 df-tset 17448 df-ple 17449 df-ds 17451 df-unif 17452 df-rest 17594 df-topn 17595 df-topgen 17615 df-psmet 21671 df-xmet 21672 df-met 21673 df-bl 21674 df-mopn 21675 df-fbas 21676 df-cnfld 21680 df-top 23213 df-topon 23230 df-topsp 23252 df-bases 23265 df-cld 23338 df-ntr 23339 df-cls 23340 df-nei 23417 df-lp 23455 df-fil 24166 df-xms 24640 df-ms 24641 |
| This theorem is used by: limcflf 26202 limcmo 26203 |
| Copyright terms: Public domain | W3C validator |