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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 15553 | . 2 ⊢ (𝐹 ⇝𝑟 𝐴 → 𝐹 ∈ (ℂ ↑pm ℝ)) | |
| 2 | cnex 11183 | . . . 4 ⊢ ℂ ∈ V | |
| 3 | reex 11193 | . . . 4 ⊢ ℝ ∈ V | |
| 4 | 2, 3 | elpm2 8874 | . . 3 ⊢ (𝐹 ∈ (ℂ ↑pm ℝ) ↔ (𝐹:dom 𝐹⟶ℂ ∧ dom 𝐹 ⊆ ℝ)) |
| 5 | 4 | simprbi 502 | . 2 ⊢ (𝐹 ∈ (ℂ ↑pm ℝ) → dom 𝐹 ⊆ ℝ) |
| 6 | 1, 5 | syl 18 | 1 ⊢ (𝐹 ⇝𝑟 𝐴 → dom 𝐹 ⊆ ℝ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2149 ⊆ wss 3913 class class class wbr 5113 dom cdm 5664 ⟶wf 6535 (class class class)co 7413 ↑pm cpm 8827 ℂcc 11100 ℝcr 11101 ⇝𝑟 crli 15538 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5261 ax-pow 5339 ax-pr 5407 ax-un 7735 ax-cnex 11158 ax-resscn 11159 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-ral 3086 df-rex 3096 df-rab 3424 df-v 3465 df-sbc 3754 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-br 5114 df-opab 5178 df-id 5559 df-xp 5670 df-rel 5671 df-cnv 5672 df-co 5673 df-dm 5674 df-rn 5675 df-iota 6495 df-fun 6541 df-fn 6542 df-f 6543 df-fv 6547 df-ov 7416 df-oprab 7417 df-mpo 7418 df-pm 8829 df-rlim 15542 |
| This theorem is referenced by: rlimcl 15556 rlimi 15566 rlimi2 15567 rlimuni 15603 rlimres 15611 rlimeq 15622 rlimcld2 15631 rlimcn1 15641 rlimcn3 15643 rlimo1 15670 o1rlimmul 15672 rlimneg 15700 rlimsqzlem 15702 rlimno1 15707 rlimcxp 27106 |
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