| Hilbert Space Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > HSE Home > Th. List > shsubcl | Structured version Visualization version GIF version | ||
| Description: Closure of vector subtraction in a subspace of a Hilbert space. (Contributed by NM, 18-Oct-1999.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| shsubcl | ⊢ ((𝐻 ∈ Sℋ ∧ 𝐴 ∈ 𝐻 ∧ 𝐵 ∈ 𝐻) → (𝐴 −ℎ 𝐵) ∈ 𝐻) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | shss 31285 | . . . . . 6 ⊢ (𝐻 ∈ Sℋ → 𝐻 ⊆ ℋ) | |
| 2 | 1 | sseld 3932 | . . . . 5 ⊢ (𝐻 ∈ Sℋ → (𝐴 ∈ 𝐻 → 𝐴 ∈ ℋ)) |
| 3 | 1 | sseld 3932 | . . . . 5 ⊢ (𝐻 ∈ Sℋ → (𝐵 ∈ 𝐻 → 𝐵 ∈ ℋ)) |
| 4 | 2, 3 | anim12d 609 | . . . 4 ⊢ (𝐻 ∈ Sℋ → ((𝐴 ∈ 𝐻 ∧ 𝐵 ∈ 𝐻) → (𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ))) |
| 5 | 4 | 3impib 1116 | . . 3 ⊢ ((𝐻 ∈ Sℋ ∧ 𝐴 ∈ 𝐻 ∧ 𝐵 ∈ 𝐻) → (𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ)) |
| 6 | hvsubval 31091 | . . 3 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (𝐴 −ℎ 𝐵) = (𝐴 +ℎ (-1 ·ℎ 𝐵))) | |
| 7 | 5, 6 | syl 17 | . 2 ⊢ ((𝐻 ∈ Sℋ ∧ 𝐴 ∈ 𝐻 ∧ 𝐵 ∈ 𝐻) → (𝐴 −ℎ 𝐵) = (𝐴 +ℎ (-1 ·ℎ 𝐵))) |
| 8 | neg1cn 12130 | . . . . 5 ⊢ -1 ∈ ℂ | |
| 9 | shmulcl 31293 | . . . . 5 ⊢ ((𝐻 ∈ Sℋ ∧ -1 ∈ ℂ ∧ 𝐵 ∈ 𝐻) → (-1 ·ℎ 𝐵) ∈ 𝐻) | |
| 10 | 8, 9 | mp3an2 1451 | . . . 4 ⊢ ((𝐻 ∈ Sℋ ∧ 𝐵 ∈ 𝐻) → (-1 ·ℎ 𝐵) ∈ 𝐻) |
| 11 | 10 | 3adant2 1131 | . . 3 ⊢ ((𝐻 ∈ Sℋ ∧ 𝐴 ∈ 𝐻 ∧ 𝐵 ∈ 𝐻) → (-1 ·ℎ 𝐵) ∈ 𝐻) |
| 12 | shaddcl 31292 | . . 3 ⊢ ((𝐻 ∈ Sℋ ∧ 𝐴 ∈ 𝐻 ∧ (-1 ·ℎ 𝐵) ∈ 𝐻) → (𝐴 +ℎ (-1 ·ℎ 𝐵)) ∈ 𝐻) | |
| 13 | 11, 12 | syld3an3 1411 | . 2 ⊢ ((𝐻 ∈ Sℋ ∧ 𝐴 ∈ 𝐻 ∧ 𝐵 ∈ 𝐻) → (𝐴 +ℎ (-1 ·ℎ 𝐵)) ∈ 𝐻) |
| 14 | 7, 13 | eqeltrd 2836 | 1 ⊢ ((𝐻 ∈ Sℋ ∧ 𝐴 ∈ 𝐻 ∧ 𝐵 ∈ 𝐻) → (𝐴 −ℎ 𝐵) ∈ 𝐻) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1086 = wceq 1541 ∈ wcel 2113 (class class class)co 7358 ℂcc 11024 1c1 11027 -cneg 11365 ℋchba 30994 +ℎ cva 30995 ·ℎ csm 30996 −ℎ cmv 31000 Sℋ csh 31003 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-resscn 11083 ax-1cn 11084 ax-icn 11085 ax-addcl 11086 ax-addrcl 11087 ax-mulcl 11088 ax-mulrcl 11089 ax-mulcom 11090 ax-addass 11091 ax-mulass 11092 ax-distr 11093 ax-i2m1 11094 ax-1ne0 11095 ax-1rid 11096 ax-rnegex 11097 ax-rrecex 11098 ax-cnre 11099 ax-pre-lttri 11100 ax-pre-lttrn 11101 ax-pre-ltadd 11102 ax-hilex 31074 ax-hfvadd 31075 ax-hfvmul 31080 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-iun 4948 df-br 5099 df-opab 5161 df-mpt 5180 df-id 5519 df-po 5532 df-so 5533 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-er 8635 df-en 8884 df-dom 8885 df-sdom 8886 df-pnf 11168 df-mnf 11169 df-ltxr 11171 df-sub 11366 df-neg 11367 df-hvsub 31046 df-sh 31282 |
| This theorem is referenced by: hhssmetdval 31352 shuni 31375 shsvs 31398 omlsilem 31477 pjoc1i 31506 chscllem2 31713 sumspansn 31724 spansncvi 31727 pjss2i 31755 pjssmii 31756 pjocini 31773 sumdmdii 32490 cdjreui 32507 |
| Copyright terms: Public domain | W3C validator |