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| Mirrors > Home > MPE Home > Th. List > limcrcl | Structured version Visualization version GIF version | ||
| Description: Reverse closure for the limit operator. (Contributed by Mario Carneiro, 28-Dec-2016.) |
| Ref | Expression |
|---|---|
| limcrcl | ⊢ (𝐶 ∈ (𝐹 limℂ 𝐵) → (𝐹:dom 𝐹⟶ℂ ∧ dom 𝐹 ⊆ ℂ ∧ 𝐵 ∈ ℂ)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-limc 26201 | . . 3 ⊢ limℂ = (𝑓 ∈ (ℂ ↑pm ℂ), 𝑥 ∈ ℂ ↦ {𝑦 ∣ [(TopOpen‘ℂfld) / 𝑗](𝑧 ∈ (dom 𝑓 ∪ {𝑥}) ↦ if(𝑧 = 𝑥, 𝑦, (𝑓‘𝑧))) ∈ (((𝑗 ↾t (dom 𝑓 ∪ {𝑥})) CnP 𝑗)‘𝑥)}) | |
| 2 | 1 | elmpocl 7672 | . 2 ⊢ (𝐶 ∈ (𝐹 limℂ 𝐵) → (𝐹 ∈ (ℂ ↑pm ℂ) ∧ 𝐵 ∈ ℂ)) |
| 3 | cnex 11294 | . . . . 5 ⊢ ℂ ∈ V | |
| 4 | 3, 3 | elpm2 8916 | . . . 4 ⊢ (𝐹 ∈ (ℂ ↑pm ℂ) ↔ (𝐹:dom 𝐹⟶ℂ ∧ dom 𝐹 ⊆ ℂ)) |
| 5 | 4 | anbi1i 636 | . . 3 ⊢ ((𝐹 ∈ (ℂ ↑pm ℂ) ∧ 𝐵 ∈ ℂ) ↔ ((𝐹:dom 𝐹⟶ℂ ∧ dom 𝐹 ⊆ ℂ) ∧ 𝐵 ∈ ℂ)) |
| 6 | df-3an 1105 | . . 3 ⊢ ((𝐹:dom 𝐹⟶ℂ ∧ dom 𝐹 ⊆ ℂ ∧ 𝐵 ∈ ℂ) ↔ ((𝐹:dom 𝐹⟶ℂ ∧ dom 𝐹 ⊆ ℂ) ∧ 𝐵 ∈ ℂ)) | |
| 7 | 5, 6 | bitr4i 281 | . 2 ⊢ ((𝐹 ∈ (ℂ ↑pm ℂ) ∧ 𝐵 ∈ ℂ) ↔ (𝐹:dom 𝐹⟶ℂ ∧ dom 𝐹 ⊆ ℂ ∧ 𝐵 ∈ ℂ)) |
| 8 | 2, 7 | sylib 221 | 1 ⊢ (𝐶 ∈ (𝐹 limℂ 𝐵) → (𝐹:dom 𝐹⟶ℂ ∧ dom 𝐹 ⊆ ℂ ∧ 𝐵 ∈ ℂ)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 ∈ wcel 2146 {cab 2741 [wsbc 3742 ⊆ wss 3900 ∪ cun 4152 ifcif 4485 {csn 4588 ↦ cmpt 5189 dom cdm 5655 ⟶wf 6543 ‘cfv 6547 (class class class)co 7430 ↑pm cpm 8862 ℂcc 11211 ↾t crest 17606 TopOpenctopn 17607 ℂfldccnfld 21693 CnP ccnp 23558 limℂ climc 26197 |
| 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 1944 ax-6 2001 ax-7 2042 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2196 ax-12 2215 ax-ext 2735 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7761 ax-cnex 11269 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2101 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-sbc 3743 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-br 5107 df-opab 5171 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-iota 6501 df-fun 6549 df-fn 6550 df-f 6551 df-fv 6555 df-ov 7433 df-oprab 7434 df-mpo 7435 df-pm 8864 df-limc 26201 |
| This theorem is used by: limccl 26210 limcdif 26211 limcresi 26220 limcres 26221 limccnp 26226 limccnp2 26227 limcco 26228 limcun 26230 mullimc 46770 limccog 46774 mullimcf 46777 limcperiod 46782 limcmptdm 46787 neglimc 46799 addlimc 46800 0ellimcdiv 46801 reclimc 46805 |
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