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| Mirrors > Home > HSE Home > Th. List > hhssva | Structured version Visualization version GIF version | ||
| Description: The vector addition operation on a subspace. (Contributed by NM, 8-Apr-2008.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| hhss.1 | ⊢ 𝑊 = 〈〈( +ℎ ↾ (𝐻 × 𝐻)), ( ·ℎ ↾ (ℂ × 𝐻))〉, (normℎ ↾ 𝐻)〉 |
| Ref | Expression |
|---|---|
| hhssva | ⊢ ( +ℎ ↾ (𝐻 × 𝐻)) = ( +𝑣 ‘𝑊) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2761 | . . 3 ⊢ ( +𝑣 ‘𝑊) = ( +𝑣 ‘𝑊) | |
| 2 | 1 | vafval 31198 | . 2 ⊢ ( +𝑣 ‘𝑊) = (1st ‘(1st ‘𝑊)) |
| 3 | hhss.1 | . . . . 5 ⊢ 𝑊 = 〈〈( +ℎ ↾ (𝐻 × 𝐻)), ( ·ℎ ↾ (ℂ × 𝐻))〉, (normℎ ↾ 𝐻)〉 | |
| 4 | 3 | fveq2i 6886 | . . . 4 ⊢ (1st ‘𝑊) = (1st ‘〈〈( +ℎ ↾ (𝐻 × 𝐻)), ( ·ℎ ↾ (ℂ × 𝐻))〉, (normℎ ↾ 𝐻)〉) |
| 5 | opex 5432 | . . . . 5 ⊢ 〈( +ℎ ↾ (𝐻 × 𝐻)), ( ·ℎ ↾ (ℂ × 𝐻))〉 ∈ V | |
| 6 | normf 31718 | . . . . . . 7 ⊢ normℎ: ℋ⟶ℝ | |
| 7 | ax-hilex 31594 | . . . . . . 7 ⊢ ℋ ∈ V | |
| 8 | fex 7230 | . . . . . . 7 ⊢ ((normℎ: ℋ⟶ℝ ∧ ℋ ∈ V) → normℎ ∈ V) | |
| 9 | 6, 7, 8 | mp2an 705 | . . . . . 6 ⊢ normℎ ∈ V |
| 10 | 9 | resex 6018 | . . . . 5 ⊢ (normℎ ↾ 𝐻) ∈ V |
| 11 | 5, 10 | op1st 8007 | . . . 4 ⊢ (1st ‘〈〈( +ℎ ↾ (𝐻 × 𝐻)), ( ·ℎ ↾ (ℂ × 𝐻))〉, (normℎ ↾ 𝐻)〉) = 〈( +ℎ ↾ (𝐻 × 𝐻)), ( ·ℎ ↾ (ℂ × 𝐻))〉 |
| 12 | 4, 11 | eqtri 2784 | . . 3 ⊢ (1st ‘𝑊) = 〈( +ℎ ↾ (𝐻 × 𝐻)), ( ·ℎ ↾ (ℂ × 𝐻))〉 |
| 13 | 12 | fveq2i 6886 | . 2 ⊢ (1st ‘(1st ‘𝑊)) = (1st ‘〈( +ℎ ↾ (𝐻 × 𝐻)), ( ·ℎ ↾ (ℂ × 𝐻))〉) |
| 14 | hilablo 31755 | . . . 4 ⊢ +ℎ ∈ AbelOp | |
| 15 | resexg 6016 | . . . 4 ⊢ ( +ℎ ∈ AbelOp → ( +ℎ ↾ (𝐻 × 𝐻)) ∈ V) | |
| 16 | 14, 15 | ax-mp 5 | . . 3 ⊢ ( +ℎ ↾ (𝐻 × 𝐻)) ∈ V |
| 17 | hvmulex 31606 | . . . 4 ⊢ ·ℎ ∈ V | |
| 18 | 17 | resex 6018 | . . 3 ⊢ ( ·ℎ ↾ (ℂ × 𝐻)) ∈ V |
| 19 | 16, 18 | op1st 8007 | . 2 ⊢ (1st ‘〈( +ℎ ↾ (𝐻 × 𝐻)), ( ·ℎ ↾ (ℂ × 𝐻))〉) = ( +ℎ ↾ (𝐻 × 𝐻)) |
| 20 | 2, 13, 19 | 3eqtrri 2789 | 1 ⊢ ( +ℎ ↾ (𝐻 × 𝐻)) = ( +𝑣 ‘𝑊) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∈ wcel 2145 Vcvv 3451 〈cop 4590 × cxp 5649 ↾ cres 5653 ⟶wf 6533 ‘cfv 6537 1st c1st 7997 ℂcc 11191 ℝcr 11192 AbelOpcablo 31139 +𝑣 cpv 31180 ℋchba 31514 +ℎ cva 31515 ·ℎ csm 31516 normℎcno 31518 |
| 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-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7749 ax-cnex 11249 ax-resscn 11250 ax-1cn 11251 ax-icn 11252 ax-addcl 11253 ax-addrcl 11254 ax-mulcl 11255 ax-mulrcl 11256 ax-mulcom 11257 ax-addass 11258 ax-mulass 11259 ax-distr 11260 ax-i2m1 11261 ax-1ne0 11262 ax-1rid 11263 ax-rnegex 11264 ax-rrecex 11265 ax-cnre 11266 ax-pre-lttri 11267 ax-pre-lttrn 11268 ax-pre-ltadd 11269 ax-pre-mulgt0 11270 ax-pre-sup 11271 ax-hilex 31594 ax-hfvadd 31595 ax-hvcom 31596 ax-hvass 31597 ax-hv0cl 31598 ax-hvaddid 31599 ax-hfvmul 31600 ax-hvmulid 31601 ax-hvdistr2 31604 ax-hvmul0 31605 ax-hfi 31674 ax-his1 31677 ax-his3 31679 ax-his4 31680 |
| 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 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3453 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-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7375 df-ov 7421 df-oprab 7422 df-mpo 7423 df-om 7876 df-1st 7999 df-2nd 8000 df-frecs 8292 df-wrecs 8323 df-recs 8372 df-rdg 8411 df-er 8710 df-en 8967 df-dom 8968 df-sdom 8969 df-sup 9427 df-pnf 11338 df-mnf 11339 df-xr 11340 df-ltxr 11341 df-le 11342 df-sub 11536 df-neg 11537 df-div 11967 df-nn 12329 df-2 12398 df-3 12399 df-n0 12600 df-z 12687 df-uz 12959 df-rp 13114 df-seq 14138 df-exp 14198 df-cj 15259 df-re 15260 df-im 15261 df-sqrt 15395 df-grpo 31088 df-ablo 31140 df-va 31190 df-hnorm 31563 df-hvsub 31566 |
| This theorem is used by: hhsst 31861 hhsssh2 31865 |
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