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Mirrors > Home > MPE Home > Th. List > rlimcn2 | Structured version Visualization version GIF version |
Description: Image of a limit under a continuous map, two-arg version. (Contributed by Mario Carneiro, 17-Sep-2014.) |
Ref | Expression |
---|---|
rlimcn2.1a | ⊢ ((𝜑 ∧ 𝑧 ∈ 𝐴) → 𝐵 ∈ 𝑋) |
rlimcn2.1b | ⊢ ((𝜑 ∧ 𝑧 ∈ 𝐴) → 𝐶 ∈ 𝑌) |
rlimcn2.2a | ⊢ (𝜑 → 𝑅 ∈ 𝑋) |
rlimcn2.2b | ⊢ (𝜑 → 𝑆 ∈ 𝑌) |
rlimcn2.3a | ⊢ (𝜑 → (𝑧 ∈ 𝐴 ↦ 𝐵) ⇝𝑟 𝑅) |
rlimcn2.3b | ⊢ (𝜑 → (𝑧 ∈ 𝐴 ↦ 𝐶) ⇝𝑟 𝑆) |
rlimcn2.4 | ⊢ (𝜑 → 𝐹:(𝑋 × 𝑌)⟶ℂ) |
rlimcn2.5 | ⊢ ((𝜑 ∧ 𝑥 ∈ ℝ+) → ∃𝑟 ∈ ℝ+ ∃𝑠 ∈ ℝ+ ∀𝑢 ∈ 𝑋 ∀𝑣 ∈ 𝑌 (((abs‘(𝑢 − 𝑅)) < 𝑟 ∧ (abs‘(𝑣 − 𝑆)) < 𝑠) → (abs‘((𝑢𝐹𝑣) − (𝑅𝐹𝑆))) < 𝑥)) |
Ref | Expression |
---|---|
rlimcn2 | ⊢ (𝜑 → (𝑧 ∈ 𝐴 ↦ (𝐵𝐹𝐶)) ⇝𝑟 (𝑅𝐹𝑆)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rlimcn2.1a | . 2 ⊢ ((𝜑 ∧ 𝑧 ∈ 𝐴) → 𝐵 ∈ 𝑋) | |
2 | rlimcn2.1b | . 2 ⊢ ((𝜑 ∧ 𝑧 ∈ 𝐴) → 𝐶 ∈ 𝑌) | |
3 | rlimcn2.4 | . . . 4 ⊢ (𝜑 → 𝐹:(𝑋 × 𝑌)⟶ℂ) | |
4 | 3 | adantr 482 | . . 3 ⊢ ((𝜑 ∧ 𝑧 ∈ 𝐴) → 𝐹:(𝑋 × 𝑌)⟶ℂ) |
5 | 4, 1, 2 | fovcdmd 7476 | . 2 ⊢ ((𝜑 ∧ 𝑧 ∈ 𝐴) → (𝐵𝐹𝐶) ∈ ℂ) |
6 | rlimcn2.2a | . . 3 ⊢ (𝜑 → 𝑅 ∈ 𝑋) | |
7 | rlimcn2.2b | . . 3 ⊢ (𝜑 → 𝑆 ∈ 𝑌) | |
8 | 3, 6, 7 | fovcdmd 7476 | . 2 ⊢ (𝜑 → (𝑅𝐹𝑆) ∈ ℂ) |
9 | rlimcn2.3a | . 2 ⊢ (𝜑 → (𝑧 ∈ 𝐴 ↦ 𝐵) ⇝𝑟 𝑅) | |
10 | rlimcn2.3b | . 2 ⊢ (𝜑 → (𝑧 ∈ 𝐴 ↦ 𝐶) ⇝𝑟 𝑆) | |
11 | rlimcn2.5 | . 2 ⊢ ((𝜑 ∧ 𝑥 ∈ ℝ+) → ∃𝑟 ∈ ℝ+ ∃𝑠 ∈ ℝ+ ∀𝑢 ∈ 𝑋 ∀𝑣 ∈ 𝑌 (((abs‘(𝑢 − 𝑅)) < 𝑟 ∧ (abs‘(𝑣 − 𝑆)) < 𝑠) → (abs‘((𝑢𝐹𝑣) − (𝑅𝐹𝑆))) < 𝑥)) | |
12 | 1, 2, 5, 8, 9, 10, 11 | rlimcn3 15344 | 1 ⊢ (𝜑 → (𝑧 ∈ 𝐴 ↦ (𝐵𝐹𝐶)) ⇝𝑟 (𝑅𝐹𝑆)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 397 ∈ wcel 2104 ∀wral 3062 ∃wrex 3071 class class class wbr 5081 ↦ cmpt 5164 × cxp 5598 ⟶wf 6454 ‘cfv 6458 (class class class)co 7307 ℂcc 10915 < clt 11055 − cmin 11251 ℝ+crp 12776 abscabs 14990 ⇝𝑟 crli 15239 |
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 1911 ax-6 1969 ax-7 2009 ax-8 2106 ax-9 2114 ax-10 2135 ax-11 2152 ax-12 2169 ax-ext 2707 ax-sep 5232 ax-nul 5239 ax-pow 5297 ax-pr 5361 ax-un 7620 ax-cnex 10973 ax-resscn 10974 ax-pre-lttri 10991 ax-pre-lttrn 10992 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 846 df-3or 1088 df-3an 1089 df-tru 1542 df-fal 1552 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rab 3287 df-v 3439 df-sbc 3722 df-csb 3838 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-nul 4263 df-if 4466 df-pw 4541 df-sn 4566 df-pr 4568 df-op 4572 df-uni 4845 df-br 5082 df-opab 5144 df-mpt 5165 df-id 5500 df-po 5514 df-so 5515 df-xp 5606 df-rel 5607 df-cnv 5608 df-co 5609 df-dm 5610 df-rn 5611 df-res 5612 df-ima 5613 df-iota 6410 df-fun 6460 df-fn 6461 df-f 6462 df-f1 6463 df-fo 6464 df-f1o 6465 df-fv 6466 df-ov 7310 df-oprab 7311 df-mpo 7312 df-er 8529 df-pm 8649 df-en 8765 df-dom 8766 df-sdom 8767 df-pnf 11057 df-mnf 11058 df-xr 11059 df-ltxr 11060 df-le 11061 df-rlim 15243 |
This theorem is referenced by: rlimaddOLD 15398 rlimsub 15399 rlimmulOLD 15401 |
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