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Mirrors > Home > HSE Home > Th. List > shocsh | Structured version Visualization version GIF version |
Description: The orthogonal complement of a subspace is a subspace. Part of Remark 3.12 of [Beran] p. 107. (Contributed by NM, 10-Oct-1999.) (New usage is discouraged.) |
Ref | Expression |
---|---|
shocsh | ⊢ (𝐴 ∈ Sℋ → (⊥‘𝐴) ∈ Sℋ ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | shss 28915 | . 2 ⊢ (𝐴 ∈ Sℋ → 𝐴 ⊆ ℋ) | |
2 | ocsh 28988 | . 2 ⊢ (𝐴 ⊆ ℋ → (⊥‘𝐴) ∈ Sℋ ) | |
3 | 1, 2 | syl 17 | 1 ⊢ (𝐴 ∈ Sℋ → (⊥‘𝐴) ∈ Sℋ ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2105 ⊆ wss 3935 ‘cfv 6349 ℋchba 28624 Sℋ csh 28633 ⊥cort 28635 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1787 ax-4 1801 ax-5 1902 ax-6 1961 ax-7 2006 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2151 ax-12 2167 ax-ext 2793 ax-sep 5195 ax-nul 5202 ax-pow 5258 ax-pr 5321 ax-un 7450 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-hilex 28704 ax-hfvadd 28705 ax-hv0cl 28708 ax-hfvmul 28710 ax-hvmul0 28715 ax-hfi 28784 ax-his2 28788 ax-his3 28789 |
This theorem depends on definitions: df-bi 208 df-an 397 df-or 842 df-3or 1080 df-3an 1081 df-tru 1531 df-ex 1772 df-nf 1776 df-sb 2061 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3497 df-sbc 3772 df-csb 3883 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-nul 4291 df-if 4466 df-pw 4539 df-sn 4560 df-pr 4562 df-op 4566 df-uni 4833 df-iun 4914 df-br 5059 df-opab 5121 df-mpt 5139 df-id 5454 df-po 5468 df-so 5469 df-xp 5555 df-rel 5556 df-cnv 5557 df-co 5558 df-dm 5559 df-rn 5560 df-res 5561 df-ima 5562 df-iota 6308 df-fun 6351 df-fn 6352 df-f 6353 df-f1 6354 df-fo 6355 df-f1o 6356 df-fv 6357 df-ov 7148 df-er 8279 df-en 8499 df-dom 8500 df-sdom 8501 df-pnf 10666 df-mnf 10667 df-ltxr 10669 df-sh 28912 df-oc 28957 |
This theorem is referenced by: oc0 28995 chocunii 29006 pjhth 29098 pjhtheu 29099 pjpreeq 29103 omlsii 29108 ococi 29110 pjpjpre 29124 chscllem1 29342 chscllem3 29344 |
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