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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 15660 | . 2 ⊢ (𝐹 ⇝𝑟 𝐴 → 𝐹 ∈ (ℂ ↑pm ℝ)) | |
| 2 | cnex 11274 | . . . 4 ⊢ ℂ ∈ V | |
| 3 | reex 11284 | . . . 4 ⊢ ℝ ∈ V | |
| 4 | 2, 3 | elpm2 8895 | . . 3 ⊢ (𝐹 ∈ (ℂ ↑pm ℝ) ↔ (𝐹:dom 𝐹⟶ℂ ∧ dom 𝐹 ⊆ ℝ)) |
| 5 | 4 | simprbi 503 | . 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 |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2145 ⊆ wss 3899 class class class wbr 5103 dom cdm 5651 ⟶wf 6533 (class class class)co 7418 ↑pm cpm 8841 ℂcc 11191 ℝcr 11192 ⇝𝑟 crli 15645 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-pow 5327 ax-pr 5391 ax-un 7749 ax-cnex 11249 ax-resscn 11250 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3078 df-rex 3088 df-rab 3414 df-v 3453 df-sbc 3740 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-fv 6545 df-ov 7421 df-oprab 7422 df-mpo 7423 df-pm 8843 df-rlim 15649 |
| This theorem is used by: rlimcl 15663 rlimi 15673 rlimi2 15674 rlimuni 15710 rlimres 15718 rlimeq 15729 rlimcld2 15738 rlimcn1 15748 rlimcn3 15750 rlimo1 15777 o1rlimmul 15779 rlimneg 15807 rlimsqzlem 15809 rlimno1 15814 rlimcxp 27294 |
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