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| Mirrors > Home > MPE Home > Th. List > limcflflem | Structured version Visualization version GIF version | ||
| Description: Lemma for limcflf 26210. (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 25111 | . . . . . 6 ⊢ 𝐾 ∈ Top |
| 5 | limcflf.a | . . . . . 6 ⊢ (𝜑 → 𝐴 ⊆ ℂ) | |
| 6 | 3 | cnfldtopon 25110 | . . . . . . . 8 ⊢ 𝐾 ∈ (TopOn‘ℂ) |
| 7 | 6 | toponunii 23243 | . . . . . . 7 ⊢ ℂ = ∪ 𝐾 |
| 8 | 7 | islp 23467 | . . . . . 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 6893 | . . . 4 ⊢ ((cls‘𝐾)‘𝐶) = ((cls‘𝐾)‘(𝐴 ∖ {𝐵})) |
| 13 | 10, 12 | eleqtrrdi 2871 | . . 3 ⊢ (𝜑 → 𝐵 ∈ ((cls‘𝐾)‘𝐶)) |
| 14 | difss 4071 | . . . . . 6 ⊢ (𝐴 ∖ {𝐵}) ⊆ 𝐴 | |
| 15 | 11, 14 | eqsstri 3955 | . . . . 5 ⊢ 𝐶 ⊆ 𝐴 |
| 16 | 15, 5 | sstrid 3920 | . . . 4 ⊢ (𝜑 → 𝐶 ⊆ ℂ) |
| 17 | 7 | lpss 23469 | . . . . . 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 3910 | . . . 4 ⊢ (𝜑 → 𝐵 ∈ ℂ) |
| 20 | trnei 24220 | . . . 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 2864 | 1 ⊢ (𝜑 → 𝐿 ∈ (Fil‘𝐶)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 = wceq 1569 ∈ wcel 2144 ⊆ wss 3896 ∖ cdif 4044 {csn 4584 ⟶wf 6539 ‘cfv 6543 (class class class)co 7424 ℂcc 11205 ↾t crest 17600 TopOpenctopn 17601 ℂfldccnfld 21687 Topctop 23220 TopOnctopon 23237 clsccl 23345 neicnei 23424 limPtclp 23461 Filcfil 24173 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5327 ax-pr 5391 ax-un 7755 ax-cnex 11263 ax-resscn 11264 ax-1cn 11265 ax-icn 11266 ax-addcl 11267 ax-addrcl 11268 ax-mulcl 11269 ax-mulrcl 11270 ax-mulcom 11271 ax-addass 11272 ax-mulass 11273 ax-distr 11274 ax-i2m1 11275 ax-1ne0 11276 ax-1rid 11277 ax-rnegex 11278 ax-rrecex 11279 ax-cnre 11280 ax-pre-lttri 11281 ax-pre-lttrn 11282 ax-pre-ltadd 11283 ax-pre-mulgt0 11284 ax-pre-sup 11285 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3848 df-ss 3897 df-pss 4013 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4835 df-uni 4867 df-int 4907 df-iun 4952 df-iin 4953 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 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 6307 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6497 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7381 df-ov 7427 df-oprab 7428 df-mpo 7429 df-om 7882 df-1st 8005 df-2nd 8006 df-frecs 8307 df-wrecs 8338 df-recs 8387 df-rdg 8426 df-1o 8484 df-er 8725 df-map 8857 df-en 8982 df-dom 8983 df-sdom 8984 df-fin 8985 df-sup 9441 df-inf 9442 df-pnf 11352 df-mnf 11353 df-xr 11354 df-ltxr 11355 df-le 11356 df-sub 11550 df-neg 11551 df-div 11981 df-nn 12343 df-2 12412 df-3 12413 df-4 12414 df-5 12415 df-6 12416 df-7 12417 df-8 12418 df-9 12419 df-n0 12614 df-z 12701 df-dec 12822 df-uz 12973 df-q 13083 df-rp 13128 df-xneg 13248 df-xadd 13249 df-xmul 13250 df-fz 13647 df-seq 14152 df-exp 14212 df-cj 15275 df-re 15276 df-im 15277 df-sqrt 15411 df-abs 15412 df-struct 17334 df-slot 17369 df-ndx 17381 df-base 17397 df-plusg 17450 df-mulr 17451 df-starv 17452 df-tset 17456 df-ple 17457 df-ds 17459 df-unif 17460 df-rest 17602 df-topn 17603 df-topgen 17623 df-psmet 21679 df-xmet 21680 df-met 21681 df-bl 21682 df-mopn 21683 df-fbas 21684 df-cnfld 21688 df-top 23221 df-topon 23238 df-topsp 23260 df-bases 23273 df-cld 23346 df-ntr 23347 df-cls 23348 df-nei 23425 df-lp 23463 df-fil 24174 df-xms 24648 df-ms 24649 |
| This theorem is used by: limcflf 26210 limcmo 26211 |
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