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| Mirrors > Home > MPE Home > Th. List > lgamucov2 | Structured version Visualization version GIF version | ||
| Description: The 𝑈 regions used in the proof of lgamgulm 26999 have interiors which cover the entire domain of the Gamma function. (Contributed by Mario Carneiro, 8-Jul-2017.) |
| Ref | Expression |
|---|---|
| lgamucov.u | ⊢ 𝑈 = {𝑥 ∈ ℂ ∣ ((abs‘𝑥) ≤ 𝑟 ∧ ∀𝑘 ∈ ℕ0 (1 / 𝑟) ≤ (abs‘(𝑥 + 𝑘)))} |
| lgamucov.a | ⊢ (𝜑 → 𝐴 ∈ (ℂ ∖ (ℤ ∖ ℕ))) |
| Ref | Expression |
|---|---|
| lgamucov2 | ⊢ (𝜑 → ∃𝑟 ∈ ℕ 𝐴 ∈ 𝑈) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lgamucov.u | . . 3 ⊢ 𝑈 = {𝑥 ∈ ℂ ∣ ((abs‘𝑥) ≤ 𝑟 ∧ ∀𝑘 ∈ ℕ0 (1 / 𝑟) ≤ (abs‘(𝑥 + 𝑘)))} | |
| 2 | lgamucov.a | . . 3 ⊢ (𝜑 → 𝐴 ∈ (ℂ ∖ (ℤ ∖ ℕ))) | |
| 3 | eqid 2734 | . . 3 ⊢ (TopOpen‘ℂfld) = (TopOpen‘ℂfld) | |
| 4 | 1, 2, 3 | lgamucov 27002 | . 2 ⊢ (𝜑 → ∃𝑟 ∈ ℕ 𝐴 ∈ ((int‘(TopOpen‘ℂfld))‘𝑈)) |
| 5 | 3 | cnfldtop 24725 | . . . . 5 ⊢ (TopOpen‘ℂfld) ∈ Top |
| 6 | 1 | ssrab3 4032 | . . . . 5 ⊢ 𝑈 ⊆ ℂ |
| 7 | unicntop 24727 | . . . . . 6 ⊢ ℂ = ∪ (TopOpen‘ℂfld) | |
| 8 | 7 | ntrss2 22999 | . . . . 5 ⊢ (((TopOpen‘ℂfld) ∈ Top ∧ 𝑈 ⊆ ℂ) → ((int‘(TopOpen‘ℂfld))‘𝑈) ⊆ 𝑈) |
| 9 | 5, 6, 8 | mp2an 692 | . . . 4 ⊢ ((int‘(TopOpen‘ℂfld))‘𝑈) ⊆ 𝑈 |
| 10 | 9 | sseli 3927 | . . 3 ⊢ (𝐴 ∈ ((int‘(TopOpen‘ℂfld))‘𝑈) → 𝐴 ∈ 𝑈) |
| 11 | 10 | reximi 3072 | . 2 ⊢ (∃𝑟 ∈ ℕ 𝐴 ∈ ((int‘(TopOpen‘ℂfld))‘𝑈) → ∃𝑟 ∈ ℕ 𝐴 ∈ 𝑈) |
| 12 | 4, 11 | syl 17 | 1 ⊢ (𝜑 → ∃𝑟 ∈ ℕ 𝐴 ∈ 𝑈) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1541 ∈ wcel 2113 ∀wral 3049 ∃wrex 3058 {crab 3397 ∖ cdif 3896 ⊆ wss 3899 class class class wbr 5096 ‘cfv 6490 (class class class)co 7356 ℂcc 11022 1c1 11025 + caddc 11027 ≤ cle 11165 / cdiv 11792 ℕcn 12143 ℕ0cn0 12399 ℤcz 12486 abscabs 15155 TopOpenctopn 17339 ℂfldccnfld 21307 Topctop 22835 intcnt 22959 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2706 ax-rep 5222 ax-sep 5239 ax-nul 5249 ax-pow 5308 ax-pr 5375 ax-un 7678 ax-cnex 11080 ax-resscn 11081 ax-1cn 11082 ax-icn 11083 ax-addcl 11084 ax-addrcl 11085 ax-mulcl 11086 ax-mulrcl 11087 ax-mulcom 11088 ax-addass 11089 ax-mulass 11090 ax-distr 11091 ax-i2m1 11092 ax-1ne0 11093 ax-1rid 11094 ax-rnegex 11095 ax-rrecex 11096 ax-cnre 11097 ax-pre-lttri 11098 ax-pre-lttrn 11099 ax-pre-ltadd 11100 ax-pre-mulgt0 11101 ax-pre-sup 11102 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-nel 3035 df-ral 3050 df-rex 3059 df-rmo 3348 df-reu 3349 df-rab 3398 df-v 3440 df-sbc 3739 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-tp 4583 df-op 4585 df-uni 4862 df-int 4901 df-iun 4946 df-iin 4947 df-br 5097 df-opab 5159 df-mpt 5178 df-tr 5204 df-id 5517 df-eprel 5522 df-po 5530 df-so 5531 df-fr 5575 df-we 5577 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-pred 6257 df-ord 6318 df-on 6319 df-lim 6320 df-suc 6321 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-riota 7313 df-ov 7359 df-oprab 7360 df-mpo 7361 df-om 7807 df-1st 7931 df-2nd 7932 df-frecs 8221 df-wrecs 8252 df-recs 8301 df-rdg 8339 df-1o 8395 df-er 8633 df-map 8763 df-en 8882 df-dom 8883 df-sdom 8884 df-fin 8885 df-fi 9312 df-sup 9343 df-inf 9344 df-pnf 11166 df-mnf 11167 df-xr 11168 df-ltxr 11169 df-le 11170 df-sub 11364 df-neg 11365 df-div 11793 df-nn 12144 df-2 12206 df-3 12207 df-4 12208 df-5 12209 df-6 12210 df-7 12211 df-8 12212 df-9 12213 df-n0 12400 df-z 12487 df-dec 12606 df-uz 12750 df-q 12860 df-rp 12904 df-xneg 13024 df-xadd 13025 df-xmul 13026 df-ioo 13263 df-fz 13422 df-fl 13710 df-seq 13923 df-exp 13983 df-cj 15020 df-re 15021 df-im 15022 df-sqrt 15156 df-abs 15157 df-struct 17072 df-slot 17107 df-ndx 17119 df-base 17135 df-plusg 17188 df-mulr 17189 df-starv 17190 df-tset 17194 df-ple 17195 df-ds 17197 df-unif 17198 df-rest 17340 df-topn 17341 df-topgen 17361 df-psmet 21299 df-xmet 21300 df-met 21301 df-bl 21302 df-mopn 21303 df-cnfld 21308 df-top 22836 df-topon 22853 df-topsp 22875 df-bases 22888 df-cld 22961 df-ntr 22962 df-xms 24262 df-ms 24263 |
| This theorem is referenced by: lgamcvglem 27004 |
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