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Mirrors > Home > MPE Home > Th. List > ipval2lem2 | Structured version Visualization version GIF version |
Description: Lemma for ipval3 28972. (Contributed by NM, 1-Feb-2007.) (New usage is discouraged.) |
Ref | Expression |
---|---|
dipfval.1 | ⊢ 𝑋 = (BaseSet‘𝑈) |
dipfval.2 | ⊢ 𝐺 = ( +𝑣 ‘𝑈) |
dipfval.4 | ⊢ 𝑆 = ( ·𝑠OLD ‘𝑈) |
dipfval.6 | ⊢ 𝑁 = (normCV‘𝑈) |
dipfval.7 | ⊢ 𝑃 = (·𝑖OLD‘𝑈) |
Ref | Expression |
---|---|
ipval2lem2 | ⊢ (((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) ∧ 𝐶 ∈ ℂ) → ((𝑁‘(𝐴𝐺(𝐶𝑆𝐵)))↑2) ∈ ℝ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpl1 1189 | . . 3 ⊢ (((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) ∧ 𝐶 ∈ ℂ) → 𝑈 ∈ NrmCVec) | |
2 | simpl2 1190 | . . . 4 ⊢ (((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) ∧ 𝐶 ∈ ℂ) → 𝐴 ∈ 𝑋) | |
3 | dipfval.1 | . . . . . . . 8 ⊢ 𝑋 = (BaseSet‘𝑈) | |
4 | dipfval.4 | . . . . . . . 8 ⊢ 𝑆 = ( ·𝑠OLD ‘𝑈) | |
5 | 3, 4 | nvscl 28889 | . . . . . . 7 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐶 ∈ ℂ ∧ 𝐵 ∈ 𝑋) → (𝐶𝑆𝐵) ∈ 𝑋) |
6 | 5 | 3com23 1124 | . . . . . 6 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐵 ∈ 𝑋 ∧ 𝐶 ∈ ℂ) → (𝐶𝑆𝐵) ∈ 𝑋) |
7 | 6 | 3expa 1116 | . . . . 5 ⊢ (((𝑈 ∈ NrmCVec ∧ 𝐵 ∈ 𝑋) ∧ 𝐶 ∈ ℂ) → (𝐶𝑆𝐵) ∈ 𝑋) |
8 | 7 | 3adantl2 1165 | . . . 4 ⊢ (((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) ∧ 𝐶 ∈ ℂ) → (𝐶𝑆𝐵) ∈ 𝑋) |
9 | dipfval.2 | . . . . 5 ⊢ 𝐺 = ( +𝑣 ‘𝑈) | |
10 | 3, 9 | nvgcl 28883 | . . . 4 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ (𝐶𝑆𝐵) ∈ 𝑋) → (𝐴𝐺(𝐶𝑆𝐵)) ∈ 𝑋) |
11 | 1, 2, 8, 10 | syl3anc 1369 | . . 3 ⊢ (((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) ∧ 𝐶 ∈ ℂ) → (𝐴𝐺(𝐶𝑆𝐵)) ∈ 𝑋) |
12 | dipfval.6 | . . . 4 ⊢ 𝑁 = (normCV‘𝑈) | |
13 | 3, 12 | nvcl 28924 | . . 3 ⊢ ((𝑈 ∈ NrmCVec ∧ (𝐴𝐺(𝐶𝑆𝐵)) ∈ 𝑋) → (𝑁‘(𝐴𝐺(𝐶𝑆𝐵))) ∈ ℝ) |
14 | 1, 11, 13 | syl2anc 583 | . 2 ⊢ (((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) ∧ 𝐶 ∈ ℂ) → (𝑁‘(𝐴𝐺(𝐶𝑆𝐵))) ∈ ℝ) |
15 | 14 | resqcld 13893 | 1 ⊢ (((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) ∧ 𝐶 ∈ ℂ) → ((𝑁‘(𝐴𝐺(𝐶𝑆𝐵)))↑2) ∈ ℝ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1085 = wceq 1539 ∈ wcel 2108 ‘cfv 6418 (class class class)co 7255 ℂcc 10800 ℝcr 10801 2c2 11958 ↑cexp 13710 NrmCVeccnv 28847 +𝑣 cpv 28848 BaseSetcba 28849 ·𝑠OLD cns 28850 normCVcnmcv 28853 ·𝑖OLDcdip 28963 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-om 7688 df-1st 7804 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-nn 11904 df-2 11966 df-n0 12164 df-z 12250 df-uz 12512 df-seq 13650 df-exp 13711 df-grpo 28756 df-ablo 28808 df-vc 28822 df-nv 28855 df-va 28858 df-ba 28859 df-sm 28860 df-0v 28861 df-nmcv 28863 |
This theorem is referenced by: ipval2lem3 28968 ipval2lem4 28969 dipcj 28977 |
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