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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 31189 | . . . . . . 7 ⊢ ℋ ∈ Sℋ | |
| 2 | shocel 31226 | . . . . . . 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 496 | . . . . 5 ⊢ (𝑥 ∈ (⊥‘ ℋ) → ∀𝑦 ∈ ℋ (𝑥 ·ih 𝑦) = 0) |
| 5 | shocss 31230 | . . . . . . . 8 ⊢ ( ℋ ∈ Sℋ → (⊥‘ ℋ) ⊆ ℋ) | |
| 6 | 1, 5 | ax-mp 5 | . . . . . . 7 ⊢ (⊥‘ ℋ) ⊆ ℋ |
| 7 | 6 | sseli 3931 | . . . . . 6 ⊢ (𝑥 ∈ (⊥‘ ℋ) → 𝑥 ∈ ℋ) |
| 8 | hial0 31046 | . . . . . 6 ⊢ (𝑥 ∈ ℋ → (∀𝑦 ∈ ℋ (𝑥 ·ih 𝑦) = 0 ↔ 𝑥 = 0ℎ)) | |
| 9 | 7, 8 | syl 17 | . . . . 5 ⊢ (𝑥 ∈ (⊥‘ ℋ) → (∀𝑦 ∈ ℋ (𝑥 ·ih 𝑦) = 0 ↔ 𝑥 = 0ℎ)) |
| 10 | 4, 9 | mpbid 232 | . . . 4 ⊢ (𝑥 ∈ (⊥‘ ℋ) → 𝑥 = 0ℎ) |
| 11 | elch0 31198 | . . . 4 ⊢ (𝑥 ∈ 0ℋ ↔ 𝑥 = 0ℎ) | |
| 12 | 10, 11 | sylibr 234 | . . 3 ⊢ (𝑥 ∈ (⊥‘ ℋ) → 𝑥 ∈ 0ℋ) |
| 13 | 12 | ssriv 3939 | . 2 ⊢ (⊥‘ ℋ) ⊆ 0ℋ |
| 14 | h0elsh 31200 | . . . 4 ⊢ 0ℋ ∈ Sℋ | |
| 15 | shococss 31238 | . . . 4 ⊢ (0ℋ ∈ Sℋ → 0ℋ ⊆ (⊥‘(⊥‘0ℋ))) | |
| 16 | 14, 15 | ax-mp 5 | . . 3 ⊢ 0ℋ ⊆ (⊥‘(⊥‘0ℋ)) |
| 17 | choc0 31270 | . . . 4 ⊢ (⊥‘0ℋ) = ℋ | |
| 18 | 17 | fveq2i 6825 | . . 3 ⊢ (⊥‘(⊥‘0ℋ)) = (⊥‘ ℋ) |
| 19 | 16, 18 | sseqtri 3984 | . 2 ⊢ 0ℋ ⊆ (⊥‘ ℋ) |
| 20 | 13, 19 | eqssi 3952 | 1 ⊢ (⊥‘ ℋ) = 0ℋ |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 ∧ wa 395 = wceq 1540 ∈ wcel 2109 ∀wral 3044 ⊆ wss 3903 ‘cfv 6482 (class class class)co 7349 0cc0 11009 ℋchba 30863 ·ih csp 30866 0ℎc0v 30868 Sℋ csh 30872 ⊥cort 30874 0ℋc0h 30879 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-rep 5218 ax-sep 5235 ax-nul 5245 ax-pow 5304 ax-pr 5371 ax-un 7671 ax-cnex 11065 ax-resscn 11066 ax-1cn 11067 ax-icn 11068 ax-addcl 11069 ax-addrcl 11070 ax-mulcl 11071 ax-mulrcl 11072 ax-mulcom 11073 ax-addass 11074 ax-mulass 11075 ax-distr 11076 ax-i2m1 11077 ax-1ne0 11078 ax-1rid 11079 ax-rnegex 11080 ax-rrecex 11081 ax-cnre 11082 ax-pre-lttri 11083 ax-pre-lttrn 11084 ax-pre-ltadd 11085 ax-pre-mulgt0 11086 ax-pre-sup 11087 ax-addf 11088 ax-mulf 11089 ax-hilex 30943 ax-hfvadd 30944 ax-hvcom 30945 ax-hvass 30946 ax-hv0cl 30947 ax-hvaddid 30948 ax-hfvmul 30949 ax-hvmulid 30950 ax-hvmulass 30951 ax-hvdistr1 30952 ax-hvdistr2 30953 ax-hvmul0 30954 ax-hfi 31023 ax-his1 31026 ax-his2 31027 ax-his3 31028 ax-his4 31029 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-rmo 3343 df-reu 3344 df-rab 3395 df-v 3438 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4285 df-if 4477 df-pw 4553 df-sn 4578 df-pr 4580 df-op 4584 df-uni 4859 df-iun 4943 df-br 5093 df-opab 5155 df-mpt 5174 df-tr 5200 df-id 5514 df-eprel 5519 df-po 5527 df-so 5528 df-fr 5572 df-we 5574 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-pred 6249 df-ord 6310 df-on 6311 df-lim 6312 df-suc 6313 df-iota 6438 df-fun 6484 df-fn 6485 df-f 6486 df-f1 6487 df-fo 6488 df-f1o 6489 df-fv 6490 df-riota 7306 df-ov 7352 df-oprab 7353 df-mpo 7354 df-om 7800 df-1st 7924 df-2nd 7925 df-frecs 8214 df-wrecs 8245 df-recs 8294 df-rdg 8332 df-er 8625 df-map 8755 df-pm 8756 df-en 8873 df-dom 8874 df-sdom 8875 df-sup 9332 df-inf 9333 df-pnf 11151 df-mnf 11152 df-xr 11153 df-ltxr 11154 df-le 11155 df-sub 11349 df-neg 11350 df-div 11778 df-nn 12129 df-2 12191 df-3 12192 df-4 12193 df-n0 12385 df-z 12472 df-uz 12736 df-q 12850 df-rp 12894 df-xneg 13014 df-xadd 13015 df-xmul 13016 df-icc 13255 df-seq 13909 df-exp 13969 df-cj 15006 df-re 15007 df-im 15008 df-sqrt 15142 df-abs 15143 df-topgen 17347 df-psmet 21253 df-xmet 21254 df-met 21255 df-bl 21256 df-mopn 21257 df-top 22779 df-topon 22796 df-bases 22831 df-lm 23114 df-haus 23200 df-grpo 30437 df-gid 30438 df-ginv 30439 df-gdiv 30440 df-ablo 30489 df-vc 30503 df-nv 30536 df-va 30539 df-ba 30540 df-sm 30541 df-0v 30542 df-vs 30543 df-nmcv 30544 df-ims 30545 df-hnorm 30912 df-hvsub 30915 df-hlim 30916 df-sh 31151 df-ch 31165 df-oc 31196 df-ch0 31197 |
| This theorem is referenced by: ho0val 31694 st0 32193 |
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