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| Mirrors > Home > HSE Home > Th. List > choc1 | Structured version Visualization version GIF version | ||
| Description: The orthocomplement of the unit subspace is the zero subspace. Does not require Axiom of Choice. (Contributed by NM, 24-Oct-1999.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| choc1 | ⊢ (⊥‘ ℋ) = 0ℋ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | helsh 31540 | . . . . . . 7 ⊢ ℋ ∈ Sℋ | |
| 2 | shocel 31577 | . . . . . . 7 ⊢ ( ℋ ∈ Sℋ → (𝑥 ∈ (⊥‘ ℋ) ↔ (𝑥 ∈ ℋ ∧ ∀𝑦 ∈ ℋ (𝑥 ·ih 𝑦) = 0))) | |
| 3 | 1, 2 | ax-mp 5 | . . . . . 6 ⊢ (𝑥 ∈ (⊥‘ ℋ) ↔ (𝑥 ∈ ℋ ∧ ∀𝑦 ∈ ℋ (𝑥 ·ih 𝑦) = 0)) |
| 4 | 3 | simprbi 502 | . . . . 5 ⊢ (𝑥 ∈ (⊥‘ ℋ) → ∀𝑦 ∈ ℋ (𝑥 ·ih 𝑦) = 0) |
| 5 | shocss 31581 | . . . . . . . 8 ⊢ ( ℋ ∈ Sℋ → (⊥‘ ℋ) ⊆ ℋ) | |
| 6 | 1, 5 | ax-mp 5 | . . . . . . 7 ⊢ (⊥‘ ℋ) ⊆ ℋ |
| 7 | 6 | sseli 3941 | . . . . . 6 ⊢ (𝑥 ∈ (⊥‘ ℋ) → 𝑥 ∈ ℋ) |
| 8 | hial0 31397 | . . . . . 6 ⊢ (𝑥 ∈ ℋ → (∀𝑦 ∈ ℋ (𝑥 ·ih 𝑦) = 0 ↔ 𝑥 = 0ℎ)) | |
| 9 | 7, 8 | syl 18 | . . . . 5 ⊢ (𝑥 ∈ (⊥‘ ℋ) → (∀𝑦 ∈ ℋ (𝑥 ·ih 𝑦) = 0 ↔ 𝑥 = 0ℎ)) |
| 10 | 4, 9 | mpbid 235 | . . . 4 ⊢ (𝑥 ∈ (⊥‘ ℋ) → 𝑥 = 0ℎ) |
| 11 | elch0 31549 | . . . 4 ⊢ (𝑥 ∈ 0ℋ ↔ 𝑥 = 0ℎ) | |
| 12 | 10, 11 | sylibr 237 | . . 3 ⊢ (𝑥 ∈ (⊥‘ ℋ) → 𝑥 ∈ 0ℋ) |
| 13 | 12 | ssriv 3949 | . 2 ⊢ (⊥‘ ℋ) ⊆ 0ℋ |
| 14 | h0elsh 31551 | . . . 4 ⊢ 0ℋ ∈ Sℋ | |
| 15 | shococss 31589 | . . . 4 ⊢ (0ℋ ∈ Sℋ → 0ℋ ⊆ (⊥‘(⊥‘0ℋ))) | |
| 16 | 14, 15 | ax-mp 5 | . . 3 ⊢ 0ℋ ⊆ (⊥‘(⊥‘0ℋ)) |
| 17 | choc0 31621 | . . . 4 ⊢ (⊥‘0ℋ) = ℋ | |
| 18 | 17 | fveq2i 6887 | . . 3 ⊢ (⊥‘(⊥‘0ℋ)) = (⊥‘ ℋ) |
| 19 | 16, 18 | sseqtri 3993 | . 2 ⊢ 0ℋ ⊆ (⊥‘ ℋ) |
| 20 | 13, 19 | eqssi 3961 | 1 ⊢ (⊥‘ ℋ) = 0ℋ |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 209 ∧ wa 400 = wceq 1567 ∈ wcel 2149 ∀wral 3085 ⊆ wss 3913 ‘cfv 6539 (class class class)co 7413 0cc0 11102 ℋchba 31214 ·ih csp 31217 0ℎc0v 31219 Sℋ csh 31223 ⊥cort 31225 0ℋc0h 31230 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-rep 5242 ax-sep 5261 ax-nul 5273 ax-pow 5339 ax-pr 5407 ax-un 7735 ax-cnex 11158 ax-resscn 11159 ax-1cn 11160 ax-icn 11161 ax-addcl 11162 ax-addrcl 11163 ax-mulcl 11164 ax-mulrcl 11165 ax-mulcom 11166 ax-addass 11167 ax-mulass 11168 ax-distr 11169 ax-i2m1 11170 ax-1ne0 11171 ax-1rid 11172 ax-rnegex 11173 ax-rrecex 11174 ax-cnre 11175 ax-pre-lttri 11176 ax-pre-lttrn 11177 ax-pre-ltadd 11178 ax-pre-mulgt0 11179 ax-pre-sup 11180 ax-addf 11181 ax-mulf 11182 ax-hilex 31294 ax-hfvadd 31295 ax-hvcom 31296 ax-hvass 31297 ax-hv0cl 31298 ax-hvaddid 31299 ax-hfvmul 31300 ax-hvmulid 31301 ax-hvmulass 31302 ax-hvdistr1 31303 ax-hvdistr2 31304 ax-hvmul0 31305 ax-hfi 31374 ax-his1 31377 ax-his2 31378 ax-his3 31379 ax-his4 31380 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-iun 4962 df-br 5114 df-opab 5178 df-mpt 5197 df-tr 5223 df-id 5559 df-eprel 5564 df-po 5572 df-so 5573 df-fr 5617 df-we 5619 df-xp 5670 df-rel 5671 df-cnv 5672 df-co 5673 df-dm 5674 df-rn 5675 df-res 5676 df-ima 5677 df-pred 6305 df-ord 6366 df-on 6367 df-lim 6368 df-suc 6369 df-iota 6495 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-riota 7370 df-ov 7416 df-oprab 7417 df-mpo 7418 df-om 7865 df-1st 7988 df-2nd 7989 df-frecs 8280 df-wrecs 8311 df-recs 8360 df-rdg 8399 df-er 8696 df-map 8828 df-pm 8829 df-en 8946 df-dom 8947 df-sdom 8948 df-sup 9404 df-inf 9405 df-pnf 11247 df-mnf 11248 df-xr 11249 df-ltxr 11250 df-le 11251 df-sub 11445 df-neg 11446 df-div 11874 df-nn 12236 df-2 12305 df-3 12306 df-4 12307 df-n0 12507 df-z 12594 df-uz 12865 df-q 12975 df-rp 13019 df-xneg 13139 df-xadd 13140 df-xmul 13141 df-icc 13381 df-seq 14040 df-exp 14100 df-cj 15152 df-re 15153 df-im 15154 df-sqrt 15288 df-abs 15289 df-topgen 17498 df-psmet 21485 df-xmet 21486 df-met 21487 df-bl 21488 df-mopn 21489 df-top 23022 df-topon 23039 df-bases 23074 df-lm 23357 df-haus 23443 df-grpo 30788 df-gid 30789 df-ginv 30790 df-gdiv 30791 df-ablo 30840 df-vc 30854 df-nv 30887 df-va 30890 df-ba 30891 df-sm 30892 df-0v 30893 df-vs 30894 df-nmcv 30895 df-ims 30896 df-hnorm 31263 df-hvsub 31266 df-hlim 31267 df-sh 31502 df-ch 31516 df-oc 31547 df-ch0 31548 |
| This theorem is referenced by: ho0val 32045 st0 32544 |
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