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Mirrors > Home > MPE Home > Th. List > ulmdvlem2 | Structured version Visualization version GIF version |
Description: Lemma for ulmdv 23961. (Contributed by Mario Carneiro, 8-May-2015.) |
Ref | Expression |
---|---|
ulmdv.z | ⊢ 𝑍 = (ℤ≥‘𝑀) |
ulmdv.s | ⊢ (𝜑 → 𝑆 ∈ {ℝ, ℂ}) |
ulmdv.m | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
ulmdv.f | ⊢ (𝜑 → 𝐹:𝑍⟶(ℂ ↑𝑚 𝑋)) |
ulmdv.g | ⊢ (𝜑 → 𝐺:𝑋⟶ℂ) |
ulmdv.l | ⊢ ((𝜑 ∧ 𝑧 ∈ 𝑋) → (𝑘 ∈ 𝑍 ↦ ((𝐹‘𝑘)‘𝑧)) ⇝ (𝐺‘𝑧)) |
ulmdv.u | ⊢ (𝜑 → (𝑘 ∈ 𝑍 ↦ (𝑆 D (𝐹‘𝑘)))(⇝𝑢‘𝑋)𝐻) |
Ref | Expression |
---|---|
ulmdvlem2 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → dom (𝑆 D (𝐹‘𝑘)) = 𝑋) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ovex 6577 | . . . . . . 7 ⊢ (𝑆 D (𝐹‘𝑘)) ∈ V | |
2 | 1 | rgenw 2908 | . . . . . 6 ⊢ ∀𝑘 ∈ 𝑍 (𝑆 D (𝐹‘𝑘)) ∈ V |
3 | eqid 2610 | . . . . . . 7 ⊢ (𝑘 ∈ 𝑍 ↦ (𝑆 D (𝐹‘𝑘))) = (𝑘 ∈ 𝑍 ↦ (𝑆 D (𝐹‘𝑘))) | |
4 | 3 | fnmpt 5933 | . . . . . 6 ⊢ (∀𝑘 ∈ 𝑍 (𝑆 D (𝐹‘𝑘)) ∈ V → (𝑘 ∈ 𝑍 ↦ (𝑆 D (𝐹‘𝑘))) Fn 𝑍) |
5 | 2, 4 | mp1i 13 | . . . . 5 ⊢ (𝜑 → (𝑘 ∈ 𝑍 ↦ (𝑆 D (𝐹‘𝑘))) Fn 𝑍) |
6 | ulmdv.u | . . . . 5 ⊢ (𝜑 → (𝑘 ∈ 𝑍 ↦ (𝑆 D (𝐹‘𝑘)))(⇝𝑢‘𝑋)𝐻) | |
7 | ulmf2 23942 | . . . . 5 ⊢ (((𝑘 ∈ 𝑍 ↦ (𝑆 D (𝐹‘𝑘))) Fn 𝑍 ∧ (𝑘 ∈ 𝑍 ↦ (𝑆 D (𝐹‘𝑘)))(⇝𝑢‘𝑋)𝐻) → (𝑘 ∈ 𝑍 ↦ (𝑆 D (𝐹‘𝑘))):𝑍⟶(ℂ ↑𝑚 𝑋)) | |
8 | 5, 6, 7 | syl2anc 691 | . . . 4 ⊢ (𝜑 → (𝑘 ∈ 𝑍 ↦ (𝑆 D (𝐹‘𝑘))):𝑍⟶(ℂ ↑𝑚 𝑋)) |
9 | 3 | fmpt 6289 | . . . 4 ⊢ (∀𝑘 ∈ 𝑍 (𝑆 D (𝐹‘𝑘)) ∈ (ℂ ↑𝑚 𝑋) ↔ (𝑘 ∈ 𝑍 ↦ (𝑆 D (𝐹‘𝑘))):𝑍⟶(ℂ ↑𝑚 𝑋)) |
10 | 8, 9 | sylibr 223 | . . 3 ⊢ (𝜑 → ∀𝑘 ∈ 𝑍 (𝑆 D (𝐹‘𝑘)) ∈ (ℂ ↑𝑚 𝑋)) |
11 | 10 | r19.21bi 2916 | . 2 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝑆 D (𝐹‘𝑘)) ∈ (ℂ ↑𝑚 𝑋)) |
12 | elmapi 7765 | . 2 ⊢ ((𝑆 D (𝐹‘𝑘)) ∈ (ℂ ↑𝑚 𝑋) → (𝑆 D (𝐹‘𝑘)):𝑋⟶ℂ) | |
13 | fdm 5964 | . 2 ⊢ ((𝑆 D (𝐹‘𝑘)):𝑋⟶ℂ → dom (𝑆 D (𝐹‘𝑘)) = 𝑋) | |
14 | 11, 12, 13 | 3syl 18 | 1 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → dom (𝑆 D (𝐹‘𝑘)) = 𝑋) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 383 = wceq 1475 ∈ wcel 1977 ∀wral 2896 Vcvv 3173 {cpr 4127 class class class wbr 4583 ↦ cmpt 4643 dom cdm 5038 Fn wfn 5799 ⟶wf 5800 ‘cfv 5804 (class class class)co 6549 ↑𝑚 cmap 7744 ℂcc 9813 ℝcr 9814 ℤcz 11254 ℤ≥cuz 11563 ⇝ cli 14063 D cdv 23433 ⇝𝑢culm 23934 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-rep 4699 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-cnex 9871 ax-resscn 9872 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-ral 2901 df-rex 2902 df-reu 2903 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-id 4953 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-1st 7059 df-2nd 7060 df-map 7746 df-pm 7747 df-neg 10148 df-z 11255 df-uz 11564 df-ulm 23935 |
This theorem is referenced by: ulmdvlem3 23960 ulmdv 23961 |
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