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| Mirrors > Home > MPE Home > Th. List > rlimss | Structured version Visualization version GIF version | ||
| Description: Domain closure of a function with a limit in the complex numbers. (Contributed by Mario Carneiro, 16-Sep-2014.) |
| Ref | Expression |
|---|---|
| rlimss | ⊢ (𝐹 ⇝𝑟 𝐴 → dom 𝐹 ⊆ ℝ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rlimpm 15466 | . 2 ⊢ (𝐹 ⇝𝑟 𝐴 → 𝐹 ∈ (ℂ ↑pm ℝ)) | |
| 2 | cnex 11149 | . . . 4 ⊢ ℂ ∈ V | |
| 3 | reex 11159 | . . . 4 ⊢ ℝ ∈ V | |
| 4 | 2, 3 | elpm2 8847 | . . 3 ⊢ (𝐹 ∈ (ℂ ↑pm ℝ) ↔ (𝐹:dom 𝐹⟶ℂ ∧ dom 𝐹 ⊆ ℝ)) |
| 5 | 4 | simprbi 496 | . 2 ⊢ (𝐹 ∈ (ℂ ↑pm ℝ) → dom 𝐹 ⊆ ℝ) |
| 6 | 1, 5 | syl 17 | 1 ⊢ (𝐹 ⇝𝑟 𝐴 → dom 𝐹 ⊆ ℝ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2109 ⊆ wss 3914 class class class wbr 5107 dom cdm 5638 ⟶wf 6507 (class class class)co 7387 ↑pm cpm 8800 ℂcc 11066 ℝcr 11067 ⇝𝑟 crli 15451 |
| 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-sep 5251 ax-nul 5261 ax-pow 5320 ax-pr 5387 ax-un 7711 ax-cnex 11124 ax-resscn 11125 |
| 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-rab 3406 df-v 3449 df-sbc 3754 df-dif 3917 df-un 3919 df-in 3921 df-ss 3931 df-nul 4297 df-if 4489 df-pw 4565 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4872 df-br 5108 df-opab 5170 df-id 5533 df-xp 5644 df-rel 5645 df-cnv 5646 df-co 5647 df-dm 5648 df-rn 5649 df-iota 6464 df-fun 6513 df-fn 6514 df-f 6515 df-fv 6519 df-ov 7390 df-oprab 7391 df-mpo 7392 df-pm 8802 df-rlim 15455 |
| This theorem is referenced by: rlimcl 15469 rlimi 15479 rlimi2 15480 rlimuni 15516 rlimres 15524 rlimeq 15535 rlimcld2 15544 rlimcn1 15554 rlimcn3 15556 rlimo1 15583 o1rlimmul 15585 rlimneg 15613 rlimsqzlem 15615 rlimno1 15620 rlimcxp 26884 |
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