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| Mirrors > Home > HSE Home > Th. List > chssoc | Structured version Visualization version GIF version | ||
| Description: A closed subspace less than its orthocomplement is zero. (Contributed by NM, 14-Jun-2006.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| chssoc | ⊢ (𝐴 ∈ Cℋ → (𝐴 ⊆ (⊥‘𝐴) ↔ 𝐴 = 0ℋ)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | inidm 4182 | . . . 4 ⊢ (𝐴 ∩ 𝐴) = 𝐴 | |
| 2 | sslin 4198 | . . . 4 ⊢ (𝐴 ⊆ (⊥‘𝐴) → (𝐴 ∩ 𝐴) ⊆ (𝐴 ∩ (⊥‘𝐴))) | |
| 3 | 1, 2 | eqsstrrid 3979 | . . 3 ⊢ (𝐴 ⊆ (⊥‘𝐴) → 𝐴 ⊆ (𝐴 ∩ (⊥‘𝐴))) |
| 4 | chocin 31884 | . . . . 5 ⊢ (𝐴 ∈ Cℋ → (𝐴 ∩ (⊥‘𝐴)) = 0ℋ) | |
| 5 | 4 | sseq2d 3972 | . . . 4 ⊢ (𝐴 ∈ Cℋ → (𝐴 ⊆ (𝐴 ∩ (⊥‘𝐴)) ↔ 𝐴 ⊆ 0ℋ)) |
| 6 | chle0 31832 | . . . 4 ⊢ (𝐴 ∈ Cℋ → (𝐴 ⊆ 0ℋ ↔ 𝐴 = 0ℋ)) | |
| 7 | 5, 6 | bitrd 282 | . . 3 ⊢ (𝐴 ∈ Cℋ → (𝐴 ⊆ (𝐴 ∩ (⊥‘𝐴)) ↔ 𝐴 = 0ℋ)) |
| 8 | 3, 7 | imbitrid 247 | . 2 ⊢ (𝐴 ∈ Cℋ → (𝐴 ⊆ (⊥‘𝐴) → 𝐴 = 0ℋ)) |
| 9 | simpr 490 | . . . 4 ⊢ ((𝐴 ∈ Cℋ ∧ 𝐴 = 0ℋ) → 𝐴 = 0ℋ) | |
| 10 | choccl 31695 | . . . . . 6 ⊢ (𝐴 ∈ Cℋ → (⊥‘𝐴) ∈ Cℋ ) | |
| 11 | ch0le 31830 | . . . . . 6 ⊢ ((⊥‘𝐴) ∈ Cℋ → 0ℋ ⊆ (⊥‘𝐴)) | |
| 12 | 10, 11 | syl 18 | . . . . 5 ⊢ (𝐴 ∈ Cℋ → 0ℋ ⊆ (⊥‘𝐴)) |
| 13 | 12 | adantr 486 | . . . 4 ⊢ ((𝐴 ∈ Cℋ ∧ 𝐴 = 0ℋ) → 0ℋ ⊆ (⊥‘𝐴)) |
| 14 | 9, 13 | eqsstrd 3974 | . . 3 ⊢ ((𝐴 ∈ Cℋ ∧ 𝐴 = 0ℋ) → 𝐴 ⊆ (⊥‘𝐴)) |
| 15 | 14 | ex 418 | . 2 ⊢ (𝐴 ∈ Cℋ → (𝐴 = 0ℋ → 𝐴 ⊆ (⊥‘𝐴))) |
| 16 | 8, 15 | impbid 215 | 1 ⊢ (𝐴 ∈ Cℋ → (𝐴 ⊆ (⊥‘𝐴) ↔ 𝐴 = 0ℋ)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 = wceq 1570 ∈ wcel 2146 ∩ cin 3907 ⊆ wss 3908 ‘cfv 6543 Cℋ cch 31318 ⊥cort 31319 0ℋc0h 31324 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2738 ax-rep 5243 ax-sep 5262 ax-nul 5274 ax-pow 5341 ax-pr 5409 ax-un 7745 ax-inf2 9620 ax-cnex 11174 ax-resscn 11175 ax-1cn 11176 ax-icn 11177 ax-addcl 11178 ax-addrcl 11179 ax-mulcl 11180 ax-mulrcl 11181 ax-mulcom 11182 ax-addass 11183 ax-mulass 11184 ax-distr 11185 ax-i2m1 11186 ax-1ne0 11187 ax-1rid 11188 ax-rnegex 11189 ax-rrecex 11190 ax-cnre 11191 ax-pre-lttri 11192 ax-pre-lttrn 11193 ax-pre-ltadd 11194 ax-pre-mulgt0 11195 ax-pre-sup 11196 ax-addf 11197 ax-mulf 11198 ax-hilex 31388 ax-hfvadd 31389 ax-hvcom 31390 ax-hvass 31391 ax-hv0cl 31392 ax-hvaddid 31393 ax-hfvmul 31394 ax-hvmulid 31395 ax-hvmulass 31396 ax-hvdistr1 31397 ax-hvdistr2 31398 ax-hvmul0 31399 ax-hfi 31468 ax-his1 31471 ax-his2 31472 ax-his3 31473 ax-his4 31474 ax-hcompl 31591 |
| 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 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-nel 3068 df-ral 3083 df-rex 3093 df-rmo 3372 df-reu 3373 df-rab 3420 df-v 3460 df-sbc 3748 df-csb 3857 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-pss 3928 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-tp 4599 df-op 4601 df-uni 4878 df-int 4918 df-iun 4963 df-iin 4964 df-br 5115 df-opab 5179 df-mpt 5198 df-tr 5224 df-id 5561 df-eprel 5566 df-po 5574 df-so 5575 df-fr 5619 df-se 5620 df-we 5621 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-pred 6309 df-ord 6370 df-on 6371 df-lim 6372 df-suc 6373 df-iota 6499 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-isom 6552 df-riota 7380 df-ov 7426 df-oprab 7427 df-mpo 7428 df-of 7687 df-om 7872 df-1st 7995 df-2nd 7996 df-supp 8166 df-frecs 8287 df-wrecs 8318 df-recs 8367 df-rdg 8406 df-1o 8462 df-2o 8463 df-er 8703 df-map 8835 df-pm 8836 df-ixp 8905 df-en 8953 df-dom 8954 df-sdom 8955 df-fin 8956 df-fsupp 9332 df-fi 9381 df-sup 9412 df-inf 9413 df-oi 9482 df-card 9944 df-pnf 11263 df-mnf 11264 df-xr 11265 df-ltxr 11266 df-le 11267 df-sub 11461 df-neg 11462 df-div 11890 df-nn 12252 df-2 12321 df-3 12322 df-4 12323 df-5 12324 df-6 12325 df-7 12326 df-8 12327 df-9 12328 df-n0 12523 df-z 12610 df-dec 12730 df-uz 12881 df-q 12991 df-rp 13035 df-xneg 13155 df-xadd 13156 df-xmul 13157 df-ioo 13394 df-icc 13397 df-fz 13554 df-fzo 13702 df-seq 14058 df-exp 14118 df-hash 14387 df-cj 15176 df-re 15177 df-im 15178 df-sqrt 15312 df-abs 15313 df-clim 15565 df-sum 15764 df-struct 17232 df-sets 17249 df-slot 17267 df-ndx 17279 df-base 17295 df-ress 17316 df-plusg 17348 df-mulr 17349 df-starv 17350 df-sca 17351 df-vsca 17352 df-ip 17353 df-tset 17354 df-ple 17355 df-ds 17357 df-unif 17358 df-hom 17359 df-cco 17360 df-rest 17500 df-topn 17501 df-0g 17519 df-gsum 17520 df-topgen 17521 df-pt 17522 df-prds 17525 df-xrs 17581 df-qtop 17586 df-imas 17587 df-xps 17589 df-mre 17663 df-mrc 17664 df-acs 17666 df-mgm 18723 df-sgrp 18806 df-mnd 18822 df-submnd 18873 df-mulg 19165 df-cntz 19418 df-cmn 19883 df-psmet 21551 df-xmet 21552 df-met 21553 df-bl 21554 df-mopn 21555 df-cnfld 21560 df-top 23088 df-topon 23105 df-topsp 23127 df-bases 23140 df-cn 23421 df-cnp 23422 df-lm 23423 df-haus 23509 df-tx 23756 df-hmeo 23949 df-xms 24514 df-ms 24515 df-tms 24516 df-cau 25452 df-grpo 30882 df-gid 30883 df-ginv 30884 df-gdiv 30885 df-ablo 30934 df-vc 30948 df-nv 30981 df-va 30984 df-ba 30985 df-sm 30986 df-0v 30987 df-vs 30988 df-nmcv 30989 df-ims 30990 df-dip 31090 df-hnorm 31357 df-hvsub 31360 df-hlim 31361 df-hcau 31362 df-sh 31596 df-ch 31610 df-oc 31641 df-ch0 31642 |
| This theorem is used by: chirredlem1 32779 chirredi 32783 |
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