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Mirrors > Home > MPE Home > Th. List > ocvocv | Structured version Visualization version GIF version |
Description: A set is contained in its double orthocomplement. (Contributed by Mario Carneiro, 13-Oct-2015.) |
Ref | Expression |
---|---|
ocvss.v | ⊢ 𝑉 = (Base‘𝑊) |
ocvss.o | ⊢ ⊥ = (ocv‘𝑊) |
Ref | Expression |
---|---|
ocvocv | ⊢ ((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) → 𝑆 ⊆ ( ⊥ ‘( ⊥ ‘𝑆))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ocvss.v | . . . . . 6 ⊢ 𝑉 = (Base‘𝑊) | |
2 | ocvss.o | . . . . . 6 ⊢ ⊥ = (ocv‘𝑊) | |
3 | 1, 2 | ocvss 20359 | . . . . 5 ⊢ ( ⊥ ‘𝑆) ⊆ 𝑉 |
4 | 3 | a1i 11 | . . . 4 ⊢ (((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ 𝑥 ∈ 𝑆) → ( ⊥ ‘𝑆) ⊆ 𝑉) |
5 | simpr 488 | . . . . 5 ⊢ ((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) → 𝑆 ⊆ 𝑉) | |
6 | 5 | sselda 3915 | . . . 4 ⊢ (((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ 𝑥 ∈ 𝑆) → 𝑥 ∈ 𝑉) |
7 | eqid 2798 | . . . . . . . . 9 ⊢ (·𝑖‘𝑊) = (·𝑖‘𝑊) | |
8 | eqid 2798 | . . . . . . . . 9 ⊢ (Scalar‘𝑊) = (Scalar‘𝑊) | |
9 | eqid 2798 | . . . . . . . . 9 ⊢ (0g‘(Scalar‘𝑊)) = (0g‘(Scalar‘𝑊)) | |
10 | 1, 7, 8, 9, 2 | ocvi 20358 | . . . . . . . 8 ⊢ ((𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑥 ∈ 𝑆) → (𝑦(·𝑖‘𝑊)𝑥) = (0g‘(Scalar‘𝑊))) |
11 | 10 | ancoms 462 | . . . . . . 7 ⊢ ((𝑥 ∈ 𝑆 ∧ 𝑦 ∈ ( ⊥ ‘𝑆)) → (𝑦(·𝑖‘𝑊)𝑥) = (0g‘(Scalar‘𝑊))) |
12 | 11 | adantll 713 | . . . . . 6 ⊢ ((((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ 𝑥 ∈ 𝑆) ∧ 𝑦 ∈ ( ⊥ ‘𝑆)) → (𝑦(·𝑖‘𝑊)𝑥) = (0g‘(Scalar‘𝑊))) |
13 | simplll 774 | . . . . . . 7 ⊢ ((((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ 𝑥 ∈ 𝑆) ∧ 𝑦 ∈ ( ⊥ ‘𝑆)) → 𝑊 ∈ PreHil) | |
14 | 4 | sselda 3915 | . . . . . . 7 ⊢ ((((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ 𝑥 ∈ 𝑆) ∧ 𝑦 ∈ ( ⊥ ‘𝑆)) → 𝑦 ∈ 𝑉) |
15 | 6 | adantr 484 | . . . . . . 7 ⊢ ((((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ 𝑥 ∈ 𝑆) ∧ 𝑦 ∈ ( ⊥ ‘𝑆)) → 𝑥 ∈ 𝑉) |
16 | 8, 7, 1, 9 | iporthcom 20324 | . . . . . . 7 ⊢ ((𝑊 ∈ PreHil ∧ 𝑦 ∈ 𝑉 ∧ 𝑥 ∈ 𝑉) → ((𝑦(·𝑖‘𝑊)𝑥) = (0g‘(Scalar‘𝑊)) ↔ (𝑥(·𝑖‘𝑊)𝑦) = (0g‘(Scalar‘𝑊)))) |
17 | 13, 14, 15, 16 | syl3anc 1368 | . . . . . 6 ⊢ ((((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ 𝑥 ∈ 𝑆) ∧ 𝑦 ∈ ( ⊥ ‘𝑆)) → ((𝑦(·𝑖‘𝑊)𝑥) = (0g‘(Scalar‘𝑊)) ↔ (𝑥(·𝑖‘𝑊)𝑦) = (0g‘(Scalar‘𝑊)))) |
18 | 12, 17 | mpbid 235 | . . . . 5 ⊢ ((((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ 𝑥 ∈ 𝑆) ∧ 𝑦 ∈ ( ⊥ ‘𝑆)) → (𝑥(·𝑖‘𝑊)𝑦) = (0g‘(Scalar‘𝑊))) |
19 | 18 | ralrimiva 3149 | . . . 4 ⊢ (((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ 𝑥 ∈ 𝑆) → ∀𝑦 ∈ ( ⊥ ‘𝑆)(𝑥(·𝑖‘𝑊)𝑦) = (0g‘(Scalar‘𝑊))) |
20 | 1, 7, 8, 9, 2 | elocv 20357 | . . . 4 ⊢ (𝑥 ∈ ( ⊥ ‘( ⊥ ‘𝑆)) ↔ (( ⊥ ‘𝑆) ⊆ 𝑉 ∧ 𝑥 ∈ 𝑉 ∧ ∀𝑦 ∈ ( ⊥ ‘𝑆)(𝑥(·𝑖‘𝑊)𝑦) = (0g‘(Scalar‘𝑊)))) |
21 | 4, 6, 19, 20 | syl3anbrc 1340 | . . 3 ⊢ (((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ 𝑥 ∈ 𝑆) → 𝑥 ∈ ( ⊥ ‘( ⊥ ‘𝑆))) |
22 | 21 | ex 416 | . 2 ⊢ ((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) → (𝑥 ∈ 𝑆 → 𝑥 ∈ ( ⊥ ‘( ⊥ ‘𝑆)))) |
23 | 22 | ssrdv 3921 | 1 ⊢ ((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) → 𝑆 ⊆ ( ⊥ ‘( ⊥ ‘𝑆))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ wa 399 = wceq 1538 ∈ wcel 2111 ∀wral 3106 ⊆ wss 3881 ‘cfv 6324 (class class class)co 7135 Basecbs 16475 Scalarcsca 16560 ·𝑖cip 16562 0gc0g 16705 PreHilcphl 20313 ocvcocv 20349 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-rep 5154 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-cnex 10582 ax-resscn 10583 ax-1cn 10584 ax-icn 10585 ax-addcl 10586 ax-addrcl 10587 ax-mulcl 10588 ax-mulrcl 10589 ax-mulcom 10590 ax-addass 10591 ax-mulass 10592 ax-distr 10593 ax-i2m1 10594 ax-1ne0 10595 ax-1rid 10596 ax-rnegex 10597 ax-rrecex 10598 ax-cnre 10599 ax-pre-lttri 10600 ax-pre-lttrn 10601 ax-pre-ltadd 10602 ax-pre-mulgt0 10603 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-nel 3092 df-ral 3111 df-rex 3112 df-reu 3113 df-rmo 3114 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-pss 3900 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-tp 4530 df-op 4532 df-uni 4801 df-iun 4883 df-br 5031 df-opab 5093 df-mpt 5111 df-tr 5137 df-id 5425 df-eprel 5430 df-po 5438 df-so 5439 df-fr 5478 df-we 5480 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-pred 6116 df-ord 6162 df-on 6163 df-lim 6164 df-suc 6165 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-riota 7093 df-ov 7138 df-oprab 7139 df-mpo 7140 df-om 7561 df-tpos 7875 df-wrecs 7930 df-recs 7991 df-rdg 8029 df-er 8272 df-map 8391 df-en 8493 df-dom 8494 df-sdom 8495 df-pnf 10666 df-mnf 10667 df-xr 10668 df-ltxr 10669 df-le 10670 df-sub 10861 df-neg 10862 df-nn 11626 df-2 11688 df-3 11689 df-4 11690 df-5 11691 df-6 11692 df-7 11693 df-8 11694 df-ndx 16478 df-slot 16479 df-base 16481 df-sets 16482 df-plusg 16570 df-mulr 16571 df-sca 16573 df-vsca 16574 df-ip 16575 df-0g 16707 df-mgm 17844 df-sgrp 17893 df-mnd 17904 df-mhm 17948 df-grp 18098 df-ghm 18348 df-mgp 19233 df-ur 19245 df-ring 19292 df-oppr 19369 df-rnghom 19463 df-staf 19609 df-srng 19610 df-lmod 19629 df-lmhm 19787 df-lvec 19868 df-sra 19937 df-rgmod 19938 df-phl 20315 df-ocv 20352 |
This theorem is referenced by: ocvsscon 20364 ocvlsp 20365 iscss2 20375 ocvcss 20376 mrccss 20383 |
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