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Theorem ocv2ss 21860
Description: Orthocomplements reverse subset inclusion. (Contributed by Mario Carneiro, 13-Oct-2015.)
Hypothesis
Ref Expression
ocv2ss.o = (ocv‘𝑊)
Assertion
Ref Expression
ocv2ss (𝑇𝑆 → ( 𝑆) ⊆ ( 𝑇))

Proof of Theorem ocv2ss
Dummy variables 𝑥 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 sstr2 3947 . . . 4 (𝑇𝑆 → (𝑆 ⊆ (Base‘𝑊) → 𝑇 ⊆ (Base‘𝑊)))
2 idd 25 . . . 4 (𝑇𝑆 → (𝑥 ∈ (Base‘𝑊) → 𝑥 ∈ (Base‘𝑊)))
3 ssralv 4009 . . . 4 (𝑇𝑆 → (∀𝑦𝑆 (𝑥(·𝑖𝑊)𝑦) = (0g‘(Scalar‘𝑊)) → ∀𝑦𝑇 (𝑥(·𝑖𝑊)𝑦) = (0g‘(Scalar‘𝑊))))
41, 2, 33anim123d 1471 . . 3 (𝑇𝑆 → ((𝑆 ⊆ (Base‘𝑊) ∧ 𝑥 ∈ (Base‘𝑊) ∧ ∀𝑦𝑆 (𝑥(·𝑖𝑊)𝑦) = (0g‘(Scalar‘𝑊))) → (𝑇 ⊆ (Base‘𝑊) ∧ 𝑥 ∈ (Base‘𝑊) ∧ ∀𝑦𝑇 (𝑥(·𝑖𝑊)𝑦) = (0g‘(Scalar‘𝑊)))))
5 eqid 2766 . . . 4 (Base‘𝑊) = (Base‘𝑊)
6 eqid 2766 . . . 4 (·𝑖𝑊) = (·𝑖𝑊)
7 eqid 2766 . . . 4 (Scalar‘𝑊) = (Scalar‘𝑊)
8 eqid 2766 . . . 4 (0g‘(Scalar‘𝑊)) = (0g‘(Scalar‘𝑊))
9 ocv2ss.o . . . 4 = (ocv‘𝑊)
105, 6, 7, 8, 9elocv 21855 . . 3 (𝑥 ∈ ( 𝑆) ↔ (𝑆 ⊆ (Base‘𝑊) ∧ 𝑥 ∈ (Base‘𝑊) ∧ ∀𝑦𝑆 (𝑥(·𝑖𝑊)𝑦) = (0g‘(Scalar‘𝑊))))
115, 6, 7, 8, 9elocv 21855 . . 3 (𝑥 ∈ ( 𝑇) ↔ (𝑇 ⊆ (Base‘𝑊) ∧ 𝑥 ∈ (Base‘𝑊) ∧ ∀𝑦𝑇 (𝑥(·𝑖𝑊)𝑦) = (0g‘(Scalar‘𝑊))))
124, 10, 113imtr4g 299 . 2 (𝑇𝑆 → (𝑥 ∈ ( 𝑆) → 𝑥 ∈ ( 𝑇)))
1312ssrdv 3946 1 (𝑇𝑆 → ( 𝑆) ⊆ ( 𝑇))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wi 4  w3a 1103   = wceq 1570  wcel 2146  wral 3082  wss 3908  cfv 6543  (class class class)co 7423  Basecbs 17294  Scalarcsca 17338  ·𝑖cip 17340  0gc0g 17517  ocvcocv 21847
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-sep 5262  ax-nul 5274  ax-pow 5341  ax-pr 5409  ax-un 7745
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  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-ral 3083  df-rex 3093  df-rab 3420  df-v 3460  df-dif 3911  df-un 3913  df-in 3915  df-ss 3925  df-nul 4290  df-if 4493  df-pw 4569  df-sn 4595  df-pr 4597  df-op 4601  df-uni 4878  df-br 5115  df-opab 5179  df-mpt 5198  df-id 5561  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-iota 6499  df-fun 6545  df-fn 6546  df-f 6547  df-fv 6551  df-ov 7426  df-ocv 21850
This theorem is used by:  ocvsscon  21862  ocvlsp  21863  ocvcss  21874  cssmre  21880  mrccss  21881  clsocv  25446
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