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| Mirrors > Home > MPE Home > Th. List > cphcjcl | Structured version Visualization version GIF version | ||
| Description: The scalar field of a subcomplex pre-Hilbert space is closed under conjugation. (Contributed by Mario Carneiro, 11-Oct-2015.) |
| Ref | Expression |
|---|---|
| cphsca.f | ⊢ 𝐹 = (Scalar‘𝑊) |
| cphsca.k | ⊢ 𝐾 = (Base‘𝐹) |
| Ref | Expression |
|---|---|
| cphcjcl | ⊢ ((𝑊 ∈ ℂPreHil ∧ 𝐴 ∈ 𝐾) → (∗‘𝐴) ∈ 𝐾) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cphsca.f | . . . . . . 7 ⊢ 𝐹 = (Scalar‘𝑊) | |
| 2 | cphsca.k | . . . . . . 7 ⊢ 𝐾 = (Base‘𝐹) | |
| 3 | 1, 2 | cphsca 25447 | . . . . . 6 ⊢ (𝑊 ∈ ℂPreHil → 𝐹 = (ℂfld ↾s 𝐾)) |
| 4 | 3 | fveq2d 6878 | . . . . 5 ⊢ (𝑊 ∈ ℂPreHil → (*𝑟‘𝐹) = (*𝑟‘(ℂfld ↾s 𝐾))) |
| 5 | 2 | fvexi 6888 | . . . . . 6 ⊢ 𝐾 ∈ V |
| 6 | eqid 2760 | . . . . . . 7 ⊢ (ℂfld ↾s 𝐾) = (ℂfld ↾s 𝐾) | |
| 7 | cnfldcj 21634 | . . . . . . 7 ⊢ ∗ = (*𝑟‘ℂfld) | |
| 8 | 6, 7 | ressstarv 17426 | . . . . . 6 ⊢ (𝐾 ∈ V → ∗ = (*𝑟‘(ℂfld ↾s 𝐾))) |
| 9 | 5, 8 | ax-mp 5 | . . . . 5 ⊢ ∗ = (*𝑟‘(ℂfld ↾s 𝐾)) |
| 10 | 4, 9 | eqtr4di 2813 | . . . 4 ⊢ (𝑊 ∈ ℂPreHil → (*𝑟‘𝐹) = ∗) |
| 11 | 10 | adantr 486 | . . 3 ⊢ ((𝑊 ∈ ℂPreHil ∧ 𝐴 ∈ 𝐾) → (*𝑟‘𝐹) = ∗) |
| 12 | 11 | fveq1d 6876 | . 2 ⊢ ((𝑊 ∈ ℂPreHil ∧ 𝐴 ∈ 𝐾) → ((*𝑟‘𝐹)‘𝐴) = (∗‘𝐴)) |
| 13 | cphphl 25439 | . . . 4 ⊢ (𝑊 ∈ ℂPreHil → 𝑊 ∈ PreHil) | |
| 14 | 1 | phlsrng 21884 | . . . 4 ⊢ (𝑊 ∈ PreHil → 𝐹 ∈ *-Ring) |
| 15 | 13, 14 | syl 18 | . . 3 ⊢ (𝑊 ∈ ℂPreHil → 𝐹 ∈ *-Ring) |
| 16 | eqid 2760 | . . . 4 ⊢ (*𝑟‘𝐹) = (*𝑟‘𝐹) | |
| 17 | 16, 2 | srngcl 21053 | . . 3 ⊢ ((𝐹 ∈ *-Ring ∧ 𝐴 ∈ 𝐾) → ((*𝑟‘𝐹)‘𝐴) ∈ 𝐾) |
| 18 | 15, 17 | sylan 592 | . 2 ⊢ ((𝑊 ∈ ℂPreHil ∧ 𝐴 ∈ 𝐾) → ((*𝑟‘𝐹)‘𝐴) ∈ 𝐾) |
| 19 | 12, 18 | eqeltrrd 2861 | 1 ⊢ ((𝑊 ∈ ℂPreHil ∧ 𝐴 ∈ 𝐾) → (∗‘𝐴) ∈ 𝐾) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2145 Vcvv 3450 ‘cfv 6528 (class class class)co 7409 ∗ccj 15216 Basecbs 17334 ↾s cress 17355 *𝑟cstv 17377 Scalarcsca 17378 *-Ringcsr 21042 ℂfldccnfld 21625 PreHilcphl 21877 ℂPreHilccph 25434 |
| 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 2732 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7735 ax-cnex 11213 ax-resscn 11214 ax-1cn 11215 ax-icn 11216 ax-addcl 11217 ax-addrcl 11218 ax-mulcl 11219 ax-mulrcl 11220 ax-mulcom 11221 ax-addass 11222 ax-mulass 11223 ax-distr 11224 ax-i2m1 11225 ax-1ne0 11226 ax-1rid 11227 ax-rnegex 11228 ax-rrecex 11229 ax-cnre 11230 ax-pre-lttri 11231 ax-pre-lttrn 11232 ax-pre-ltadd 11233 ax-pre-mulgt0 11234 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5543 df-eprel 5548 df-po 5556 df-so 5557 df-fr 5601 df-we 5603 df-xp 5654 df-rel 5655 df-cnv 5656 df-co 5657 df-dm 5658 df-rn 5659 df-res 5660 df-ima 5661 df-pred 6294 df-ord 6355 df-on 6356 df-lim 6357 df-suc 6358 df-iota 6484 df-fun 6530 df-fn 6531 df-f 6532 df-f1 6533 df-fo 6534 df-f1o 6535 df-fv 6536 df-riota 7366 df-ov 7412 df-oprab 7413 df-mpo 7414 df-om 7862 df-1st 7985 df-2nd 7986 df-frecs 8278 df-wrecs 8309 df-recs 8358 df-rdg 8397 df-1o 8455 df-er 8696 df-map 8828 df-en 8953 df-dom 8954 df-sdom 8955 df-fin 8956 df-pnf 11302 df-mnf 11303 df-xr 11304 df-ltxr 11305 df-le 11306 df-sub 11500 df-neg 11501 df-div 11929 df-nn 12291 df-2 12360 df-3 12361 df-4 12362 df-5 12363 df-6 12364 df-7 12365 df-8 12366 df-9 12367 df-n0 12562 df-z 12649 df-dec 12770 df-uz 12921 df-fz 13595 df-cj 15219 df-struct 17272 df-sets 17289 df-slot 17307 df-ndx 17319 df-base 17335 df-ress 17356 df-plusg 17388 df-mulr 17389 df-starv 17390 df-tset 17394 df-ple 17395 df-ds 17397 df-unif 17398 df-0g 17559 df-mhm 18925 df-ghm 19375 df-mgp 20308 df-ur 20355 df-ring 20408 df-rhm 20649 df-staf 21043 df-srng 21044 df-cnfld 21626 df-phl 21879 df-cph 25436 |
| This theorem is used by: cphabscl 25453 |
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