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Theorem List for Metamath Proof Explorer - 35601-35700   *Has distinct variable group(s)
TypeLabelDescription
Statement

Theoremdihglblem2N 35601* The GLB of a set of lattice elements 𝑆 is the same as that of the set 𝑇 with elements of 𝑆 cut down to be under 𝑊. (Contributed by NM, 19-Mar-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &    = (meet‘𝐾)    &   𝐺 = (glb‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝑇 = {𝑢𝐵 ∣ ∃𝑣𝑆 𝑢 = (𝑣 𝑊)}       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑆𝐵 ∧ (𝐺𝑆) 𝑊) → (𝐺𝑆) = (𝐺𝑇))

Theoremdihglblem3N 35602* Isomorphism H of a lattice glb. (Contributed by NM, 20-Mar-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &    = (meet‘𝐾)    &   𝐺 = (glb‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝑇 = {𝑢𝐵 ∣ ∃𝑣𝑆 𝑢 = (𝑣 𝑊)}    &   𝐽 = ((DIsoB‘𝐾)‘𝑊)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆𝐵𝑆 ≠ ∅) ∧ (𝐺𝑆) 𝑊) → (𝐼‘(𝐺𝑇)) = 𝑥𝑇 (𝐼𝑥))

Theoremdihglblem3aN 35603* Isomorphism H of a lattice glb. (Contributed by NM, 7-Apr-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &    = (meet‘𝐾)    &   𝐺 = (glb‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝑇 = {𝑢𝐵 ∣ ∃𝑣𝑆 𝑢 = (𝑣 𝑊)}    &   𝐽 = ((DIsoB‘𝐾)‘𝑊)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆𝐵𝑆 ≠ ∅) ∧ (𝐺𝑆) 𝑊) → (𝐼‘(𝐺𝑆)) = 𝑥𝑇 (𝐼𝑥))

Theoremdihglblem4 35604* Isomorphism H of a lattice glb. (Contributed by NM, 21-Mar-2014.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &    = (meet‘𝐾)    &   𝐺 = (glb‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝑇 = {𝑢𝐵 ∣ ∃𝑣𝑆 𝑢 = (𝑣 𝑊)}    &   𝐽 = ((DIsoB‘𝐾)‘𝑊)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆𝐵𝑆 ≠ ∅)) → (𝐼‘(𝐺𝑆)) ⊆ 𝑥𝑆 (𝐼𝑥))

Theoremdihglblem5 35605* Isomorphism H of a lattice glb. (Contributed by NM, 9-Apr-2014.)
𝐵 = (Base‘𝐾)    &   𝐺 = (glb‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &   𝑆 = (LSubSp‘𝑈)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑇𝐵𝑇 ≠ ∅)) → 𝑥𝑇 (𝐼𝑥) ∈ 𝑆)

Theoremdihmeetlem2N 35606 Isomorphism H of a conjunction. (Contributed by NM, 22-Mar-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &    = (meet‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &    = (le‘𝐾)    &    = (join‘𝐾)    &   𝐴 = (Atoms‘𝐾)    &   𝑃 = ((oc‘𝐾)‘𝑊)    &   𝑇 = ((LTrn‘𝐾)‘𝑊)    &   𝑅 = ((trL‘𝐾)‘𝑊)    &   𝐸 = ((TEndo‘𝐾)‘𝑊)    &   𝐺 = (𝑇 (𝑃) = 𝑞)    &    0 = (𝑇 ↦ ( I ↾ 𝐵))       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵𝑌 𝑊)) → (𝐼‘(𝑋 𝑌)) = ((𝐼𝑋) ∩ (𝐼𝑌)))

TheoremdihglbcpreN 35607* Isomorphism H of a lattice glb when the glb is not under the fiducial hyperplane 𝑊. (Contributed by NM, 20-Mar-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &   𝐺 = (glb‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &    = (le‘𝐾)    &    = (join‘𝐾)    &    = (meet‘𝐾)    &   𝐴 = (Atoms‘𝐾)    &   𝑃 = ((oc‘𝐾)‘𝑊)    &   𝑇 = ((LTrn‘𝐾)‘𝑊)    &   𝑅 = ((trL‘𝐾)‘𝑊)    &   𝐸 = ((TEndo‘𝐾)‘𝑊)    &   𝐹 = (𝑔𝑇 (𝑔𝑃) = 𝑞)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆𝐵𝑆 ≠ ∅) ∧ ¬ (𝐺𝑆) 𝑊) → (𝐼‘(𝐺𝑆)) = 𝑥𝑆 (𝐼𝑥))

TheoremdihglbcN 35608* Isomorphism H of a lattice glb when the glb is not under the fiducial hyperplane 𝑊. (Contributed by NM, 26-Mar-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &   𝐺 = (glb‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &    = (le‘𝐾)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆𝐵𝑆 ≠ ∅) ∧ ¬ (𝐺𝑆) 𝑊) → (𝐼‘(𝐺𝑆)) = 𝑥𝑆 (𝐼𝑥))

TheoremdihmeetcN 35609 Isomorphism H of a lattice meet when the meet is not under the fiducial hyperplane 𝑊. (Contributed by NM, 26-Mar-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &    = (meet‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑌𝐵) ∧ ¬ (𝑋 𝑌) 𝑊) → (𝐼‘(𝑋 𝑌)) = ((𝐼𝑋) ∩ (𝐼𝑌)))

TheoremdihmeetbN 35610 Isomorphism H of a lattice meet when one element is under the fiducial hyperplane 𝑊. (Contributed by NM, 26-Mar-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &    = (meet‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑋𝐵 ∧ (𝑌𝐵𝑌 𝑊)) → (𝐼‘(𝑋 𝑌)) = ((𝐼𝑋) ∩ (𝐼𝑌)))

TheoremdihmeetbclemN 35611 Lemma for isomorphism H of a lattice meet. (Contributed by NM, 30-Mar-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &    = (meet‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑌𝐵) ∧ (𝑋 𝑌) 𝑊) → (𝐼‘(𝑋 𝑌)) = (((𝐼𝑋) ∩ (𝐼𝑌)) ∩ (𝐼𝑊)))

Theoremdihmeetlem3N 35612 Lemma for isomorphism H of a lattice meet. (Contributed by NM, 30-Mar-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &    = (join‘𝐾)    &    = (meet‘𝐾)    &   𝐴 = (Atoms‘𝐾)    &   𝐻 = (LHyp‘𝐾)       ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑌𝐵) ∧ (𝑋 𝑌) 𝑊) ∧ ((𝑄𝐴 ∧ ¬ 𝑄 𝑊) ∧ (𝑄 (𝑋 𝑊)) = 𝑋) ∧ ((𝑅𝐴 ∧ ¬ 𝑅 𝑊) ∧ (𝑅 (𝑌 𝑊)) = 𝑌)) → 𝑄𝑅)

Theoremdihmeetlem4preN 35613* Lemma for isomorphism H of a lattice meet. (Contributed by NM, 30-Mar-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &    = (meet‘𝐾)    &   𝐴 = (Atoms‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &    0 = (0g𝑈)    &   𝐺 = (𝑔𝑇 (𝑔𝑃) = 𝑄)    &   𝑃 = ((oc‘𝐾)‘𝑊)    &   𝑇 = ((LTrn‘𝐾)‘𝑊)    &   𝑅 = ((trL‘𝐾)‘𝑊)    &   𝐸 = ((TEndo‘𝐾)‘𝑊)    &   𝑂 = (𝑇 ↦ ( I ↾ 𝐵))       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵 ∧ ¬ 𝑋 𝑊) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊)) → ((𝐼𝑄) ∩ (𝐼‘(𝑋 𝑊))) = { 0 })

Theoremdihmeetlem4N 35614 Lemma for isomorphism H of a lattice meet. (Contributed by NM, 30-Mar-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &    = (meet‘𝐾)    &   𝐴 = (Atoms‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &    0 = (0g𝑈)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵 ∧ ¬ 𝑋 𝑊) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊)) → ((𝐼𝑄) ∩ (𝐼‘(𝑋 𝑊))) = { 0 })

Theoremdihmeetlem5 35615 Part of proof that isomorphism H is order-preserving . (Contributed by NM, 6-Apr-2014.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &    = (join‘𝐾)    &    = (meet‘𝐾)    &   𝐴 = (Atoms‘𝐾)       (((𝐾 ∈ HL ∧ 𝑋𝐵𝑌𝐵) ∧ (𝑄𝐴𝑄 𝑋)) → (𝑋 (𝑌 𝑄)) = ((𝑋 𝑌) 𝑄))

Theoremdihmeetlem6 35616 Lemma for isomorphism H of a lattice meet. (Contributed by NM, 6-Apr-2014.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &    = (join‘𝐾)    &    = (meet‘𝐾)    &   𝐴 = (Atoms‘𝐾)       ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑋𝐵𝑌𝐵) ∧ ((𝑄𝐴 ∧ ¬ 𝑄 𝑊) ∧ 𝑄 𝑋)) → ¬ (𝑋 (𝑌 𝑄)) 𝑊)

Theoremdihmeetlem7N 35617 Lemma for isomorphism H of a lattice meet. (Contributed by NM, 6-Apr-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &    = (join‘𝐾)    &    = (meet‘𝐾)    &   𝐴 = (Atoms‘𝐾)       (((𝐾 ∈ HL ∧ 𝑋𝐵𝑌𝐵) ∧ (𝑝𝐴 ∧ ¬ 𝑝 𝑌)) → (((𝑋 𝑌) 𝑝) 𝑌) = (𝑋 𝑌))

Theoremdihjatc1 35618 Lemma for isomorphism H of a lattice meet. TODO: shorter proof if we change order of (𝑋 𝑌) 𝑄 here and down? (Contributed by NM, 6-Apr-2014.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &    = (join‘𝐾)    &    = (meet‘𝐾)    &   𝐴 = (Atoms‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &    = (LSSum‘𝑈)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)       ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑋𝐵𝑌𝐵) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊) ∧ (𝑄 𝑋 ∧ (𝑋 𝑌) 𝑊)) → (𝐼‘((𝑋 𝑌) 𝑄)) = ((𝐼𝑄) (𝐼‘(𝑋 𝑌))))

Theoremdihjatc2N 35619 Isomorphism H of join with an atom. (Contributed by NM, 26-Aug-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &    = (join‘𝐾)    &    = (meet‘𝐾)    &   𝐴 = (Atoms‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &    = (LSSum‘𝑈)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)       ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑋𝐵𝑌𝐵) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊) ∧ (𝑄 𝑋 ∧ (𝑋 𝑌) 𝑊)) → (𝐼‘(𝑄 (𝑋 𝑌))) = ((𝐼𝑄) (𝐼‘(𝑋 𝑌))))

Theoremdihjatc3 35620 Isomorphism H of join with an atom. (Contributed by NM, 26-Aug-2014.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &    = (join‘𝐾)    &    = (meet‘𝐾)    &   𝐴 = (Atoms‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &    = (LSSum‘𝑈)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)       ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑋𝐵𝑌𝐵) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊) ∧ (𝑄 𝑋 ∧ (𝑋 𝑌) 𝑊)) → (𝐼‘((𝑋 𝑌) 𝑄)) = ((𝐼‘(𝑋 𝑌)) (𝐼𝑄)))

Theoremdihmeetlem8N 35621 Lemma for isomorphism H of a lattice meet. TODO: shorter proof if we change order of (𝑋 𝑌) 𝑝 here and down? (Contributed by NM, 6-Apr-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &    = (join‘𝐾)    &    = (meet‘𝐾)    &   𝐴 = (Atoms‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &    = (LSSum‘𝑈)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)       ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑋𝐵𝑌𝐵) ∧ (𝑝𝐴 ∧ ¬ 𝑝 𝑊) ∧ (𝑝 𝑋 ∧ (𝑋 𝑌) 𝑊)) → (𝐼‘((𝑋 𝑌) 𝑝)) = ((𝐼𝑝) (𝐼‘(𝑋 𝑌))))

Theoremdihmeetlem9N 35622 Lemma for isomorphism H of a lattice meet. (Contributed by NM, 6-Apr-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &    = (join‘𝐾)    &    = (meet‘𝐾)    &   𝐴 = (Atoms‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &    = (LSSum‘𝑈)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑌𝐵) ∧ 𝑝𝐴) → (((𝐼𝑝) (𝐼‘(𝑋 𝑌))) ∩ (𝐼𝑌)) = ((𝐼‘(𝑋 𝑌)) ((𝐼𝑝) ∩ (𝐼𝑌))))

Theoremdihmeetlem10N 35623 Lemma for isomorphism H of a lattice meet. (Contributed by NM, 6-Apr-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &    = (join‘𝐾)    &    = (meet‘𝐾)    &   𝐴 = (Atoms‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &    = (LSSum‘𝑈)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)       ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑋𝐵𝑌𝐵) ∧ ((𝑝𝐴 ∧ ¬ 𝑝 𝑊) ∧ 𝑝 𝑋)) → (𝐼‘((𝑋 𝑌) 𝑝)) = ((𝐼𝑋) ∩ (𝐼‘(𝑌 𝑝))))

Theoremdihmeetlem11N 35624 Lemma for isomorphism H of a lattice meet. (Contributed by NM, 6-Apr-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &    = (join‘𝐾)    &    = (meet‘𝐾)    &   𝐴 = (Atoms‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &    = (LSSum‘𝑈)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)       ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑋𝐵𝑌𝐵) ∧ ((𝑝𝐴 ∧ ¬ 𝑝 𝑊) ∧ 𝑝 𝑋)) → ((𝐼‘((𝑋 𝑌) 𝑝)) ∩ (𝐼𝑌)) = ((𝐼𝑋) ∩ (𝐼𝑌)))

Theoremdihmeetlem12N 35625 Lemma for isomorphism H of a lattice meet. (Contributed by NM, 6-Apr-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &    = (join‘𝐾)    &    = (meet‘𝐾)    &   𝐴 = (Atoms‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &    = (LSSum‘𝑈)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)       ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑋𝐵𝑌𝐵) ∧ ((𝑝𝐴 ∧ ¬ 𝑝 𝑊) ∧ 𝑝 𝑋 ∧ (𝑋 𝑌) 𝑊)) → ((𝐼‘(𝑋 𝑌)) ((𝐼𝑝) ∩ (𝐼𝑌))) = ((𝐼𝑋) ∩ (𝐼𝑌)))

Theoremdihmeetlem13N 35626* Lemma for isomorphism H of a lattice meet. (Contributed by NM, 7-Apr-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &    = (join‘𝐾)    &   𝐴 = (Atoms‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝑃 = ((oc‘𝐾)‘𝑊)    &   𝑇 = ((LTrn‘𝐾)‘𝑊)    &   𝐸 = ((TEndo‘𝐾)‘𝑊)    &   𝑂 = (𝑇 ↦ ( I ↾ 𝐵))    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &    0 = (0g𝑈)    &   𝐹 = (𝑇 (𝑃) = 𝑄)    &   𝐺 = (𝑇 (𝑃) = 𝑅)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ ((𝑄𝐴 ∧ ¬ 𝑄 𝑊) ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊)) ∧ 𝑄𝑅) → ((𝐼𝑄) ∩ (𝐼𝑅)) = { 0 })

Theoremdihmeetlem14N 35627 Lemma for isomorphism H of a lattice meet. (Contributed by NM, 7-Apr-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &    = (join‘𝐾)    &    = (meet‘𝐾)    &   𝐴 = (Atoms‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &    = (LSSum‘𝑈)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)       ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑌𝐵𝑝𝐵) ∧ ((𝑟𝐴 ∧ ¬ 𝑟 𝑊) ∧ 𝑟 𝑌 ∧ (𝑌 𝑝) 𝑊)) → ((𝐼‘(𝑌 𝑝)) ((𝐼𝑟) ∩ (𝐼𝑝))) = ((𝐼𝑌) ∩ (𝐼𝑝)))

Theoremdihmeetlem15N 35628 Lemma for isomorphism H of a lattice meet. (Contributed by NM, 7-Apr-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &    = (join‘𝐾)    &    = (meet‘𝐾)    &   𝐴 = (Atoms‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &    = (LSSum‘𝑈)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &    0 = (0g𝑈)       ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑌𝐵 ∧ (𝑝𝐴 ∧ ¬ 𝑝 𝑊)) ∧ ((𝑟𝐴 ∧ ¬ 𝑟 𝑊) ∧ 𝑟 𝑌 ∧ (𝑌 𝑝) 𝑊)) → ((𝐼𝑟) ∩ (𝐼𝑝)) = { 0 })

Theoremdihmeetlem16N 35629 Lemma for isomorphism H of a lattice meet. (Contributed by NM, 7-Apr-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &    = (join‘𝐾)    &    = (meet‘𝐾)    &   𝐴 = (Atoms‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &    = (LSSum‘𝑈)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)       ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑌𝐵 ∧ (𝑝𝐴 ∧ ¬ 𝑝 𝑊)) ∧ ((𝑟𝐴 ∧ ¬ 𝑟 𝑊) ∧ 𝑟 𝑌 ∧ (𝑌 𝑝) 𝑊)) → (𝐼‘(𝑌 𝑝)) = ((𝐼𝑌) ∩ (𝐼𝑝)))

Theoremdihmeetlem17N 35630 Lemma for isomorphism H of a lattice meet. (Contributed by NM, 7-Apr-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &    = (join‘𝐾)    &    = (meet‘𝐾)    &   𝐴 = (Atoms‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &    = (LSSum‘𝑈)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &    0 = (0.‘𝐾)       ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵 ∧ ¬ 𝑋 𝑊) ∧ (𝑝𝐴 ∧ ¬ 𝑝 𝑊)) ∧ (𝑌𝐵 ∧ (𝑋 𝑌) 𝑊𝑝 𝑋)) → (𝑌 𝑝) = 0 )

Theoremdihmeetlem18N 35631 Lemma for isomorphism H of a lattice meet. (Contributed by NM, 7-Apr-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &    = (join‘𝐾)    &    = (meet‘𝐾)    &   𝐴 = (Atoms‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &    = (LSSum‘𝑈)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &    0 = (0g𝑈)       ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵 ∧ ¬ 𝑋 𝑊) ∧ 𝑌𝐵) ∧ ((𝑝𝐴 ∧ ¬ 𝑝 𝑊) ∧ (𝑟𝐴 ∧ ¬ 𝑟 𝑊) ∧ (𝑝 𝑋𝑟 𝑌 ∧ (𝑋 𝑌) 𝑊))) → ((𝐼𝑌) ∩ (𝐼𝑝)) = { 0 })

Theoremdihmeetlem19N 35632 Lemma for isomorphism H of a lattice meet. (Contributed by NM, 7-Apr-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &    = (join‘𝐾)    &    = (meet‘𝐾)    &   𝐴 = (Atoms‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &    = (LSSum‘𝑈)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)       ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵 ∧ ¬ 𝑋 𝑊) ∧ 𝑌𝐵) ∧ ((𝑝𝐴 ∧ ¬ 𝑝 𝑊) ∧ (𝑟𝐴 ∧ ¬ 𝑟 𝑊) ∧ (𝑝 𝑋𝑟 𝑌 ∧ (𝑋 𝑌) 𝑊))) → (𝐼‘(𝑋 𝑌)) = ((𝐼𝑋) ∩ (𝐼𝑌)))

Theoremdihmeetlem20N 35633 Lemma for isomorphism H of a lattice meet. (Contributed by NM, 7-Apr-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &    = (join‘𝐾)    &    = (meet‘𝐾)    &   𝐴 = (Atoms‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &    = (LSSum‘𝑈)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵 ∧ ¬ 𝑋 𝑊) ∧ ((𝑌𝐵 ∧ ¬ 𝑌 𝑊) ∧ (𝑋 𝑌) 𝑊)) → (𝐼‘(𝑋 𝑌)) = ((𝐼𝑋) ∩ (𝐼𝑌)))

TheoremdihmeetALTN 35634 Isomorphism H of a lattice meet. This version does not depend on the atomisticity of the constructed vector space. TODO: Delete? (Contributed by NM, 7-Apr-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &    = (meet‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑋𝐵𝑌𝐵) → (𝐼‘(𝑋 𝑌)) = ((𝐼𝑋) ∩ (𝐼𝑌)))

Theoremdih1dimatlem0 35635* Lemma for dih1dimat 35637. (Contributed by NM, 11-Apr-2014.)
𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &   𝐴 = (LSAtoms‘𝑈)    &   𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &   𝐶 = (Atoms‘𝐾)    &   𝑃 = ((oc‘𝐾)‘𝑊)    &   𝑇 = ((LTrn‘𝐾)‘𝑊)    &   𝑅 = ((trL‘𝐾)‘𝑊)    &   𝐸 = ((TEndo‘𝐾)‘𝑊)    &   𝑂 = (𝑇 ↦ ( I ↾ 𝐵))    &   𝐹 = (Scalar‘𝑈)    &   𝐽 = (invr𝐹)    &   𝑉 = (Base‘𝑈)    &    · = ( ·𝑠𝑈)    &   𝑆 = (LSubSp‘𝑈)    &   𝑁 = (LSpan‘𝑈)    &    0 = (0g𝑈)    &   𝐺 = (𝑇 (𝑃) = (((𝐽𝑠)‘𝑓)‘𝑃))       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑓𝑇𝑠𝐸) ∧ 𝑠𝑂) → ((𝑖 = (𝑝𝐺) ∧ 𝑝𝐸) ↔ ((𝑖𝑇𝑝𝐸) ∧ ∃𝑡𝐸 (𝑖 = (𝑡𝑓) ∧ 𝑝 = (𝑡𝑠)))))

Theoremdih1dimatlem 35636* Lemma for dih1dimat 35637. (Contributed by NM, 10-Apr-2014.)
𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &   𝐴 = (LSAtoms‘𝑈)    &   𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &   𝐶 = (Atoms‘𝐾)    &   𝑃 = ((oc‘𝐾)‘𝑊)    &   𝑇 = ((LTrn‘𝐾)‘𝑊)    &   𝑅 = ((trL‘𝐾)‘𝑊)    &   𝐸 = ((TEndo‘𝐾)‘𝑊)    &   𝑂 = (𝑇 ↦ ( I ↾ 𝐵))    &   𝐹 = (Scalar‘𝑈)    &   𝐽 = (invr𝐹)    &   𝑉 = (Base‘𝑈)    &    · = ( ·𝑠𝑈)    &   𝑆 = (LSubSp‘𝑈)    &   𝑁 = (LSpan‘𝑈)    &    0 = (0g𝑈)    &   𝐺 = (𝑇 (𝑃) = (((𝐽𝑠)‘𝑓)‘𝑃))       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝐷𝐴) → 𝐷 ∈ ran 𝐼)

Theoremdih1dimat 35637 Any 1-dimensional subspace is a value of isomorphism H. (Contributed by NM, 11-Apr-2014.)
𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &   𝐴 = (LSAtoms‘𝑈)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑃𝐴) → 𝑃 ∈ ran 𝐼)

Theoremdihlsprn 35638 The span of a vector belongs to the range of isomorphism H. (Contributed by NM, 27-Apr-2014.)
𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &   𝑁 = (LSpan‘𝑈)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑋𝑉) → (𝑁‘{𝑋}) ∈ ran 𝐼)

TheoremdihlspsnssN 35639 A subspace included in a 1-dim subspace belongs to the range of isomorphism H. (Contributed by NM, 26-Apr-2014.) (New usage is discouraged.)
𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &   𝑆 = (LSubSp‘𝑈)    &   𝑁 = (LSpan‘𝑈)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑋𝑉𝑇 ⊆ (𝑁‘{𝑋})) → (𝑇𝑆𝑇 ∈ ran 𝐼))

Theoremdihlspsnat 35640 The inverse isomorphism H of the span of a singleton is a Hilbert lattice atom. (Contributed by NM, 27-Apr-2014.)
𝐴 = (Atoms‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &    0 = (0g𝑈)    &   𝑁 = (LSpan‘𝑈)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑋𝑉𝑋0 ) → (𝐼‘(𝑁‘{𝑋})) ∈ 𝐴)

Theoremdihatlat 35641 The isomorphism H of an atom is a 1-dim subspace. (Contributed by NM, 28-Apr-2014.)
𝐴 = (Atoms‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &   𝐿 = (LSAtoms‘𝑈)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑄𝐴) → (𝐼𝑄) ∈ 𝐿)

Theoremdihat 35642 There exists at least one atom in the subspaces of vector space H. (Contributed by NM, 12-Aug-2014.)
𝐻 = (LHyp‘𝐾)    &   𝑃 = ((oc‘𝐾)‘𝑊)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝐴 = (LSAtoms‘𝑈)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))       (𝜑 → (𝐼𝑃) ∈ 𝐴)

TheoremdihpN 35643* The value of isomorphism H at the fiducial atom 𝑃 is determined by the vector ⟨0, 𝑆 (the zero translation ltrnid 34439 and a nonzero member of the endomorphism ring). In particular, 𝑆 can be replaced with the ring unit ( I ↾ 𝑇). (Contributed by NM, 26-Aug-2014.) (New usage is discouraged.)
𝐵 = (Base‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝑃 = ((oc‘𝐾)‘𝑊)    &   𝑇 = ((LTrn‘𝐾)‘𝑊)    &   𝐸 = ((TEndo‘𝐾)‘𝑊)    &   𝑂 = (𝑓𝑇 ↦ ( I ↾ 𝐵))    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑁 = (LSpan‘𝑈)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑 → (𝑆𝐸𝑆𝑂))       (𝜑 → (𝐼𝑃) = (𝑁‘{⟨( I ↾ 𝐵), 𝑆⟩}))

Theoremdihlatat 35644 The reverse isomorphism H of a 1-dim subspace is an atom. (Contributed by NM, 28-Apr-2014.)
𝐴 = (Atoms‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &   𝐿 = (LSAtoms‘𝑈)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑄𝐿) → (𝐼𝑄) ∈ 𝐴)

Theoremdihatexv 35645* There is a nonzero vector that maps to every lattice atom. (Contributed by NM, 16-Aug-2014.)
𝐵 = (Base‘𝐾)    &   𝐴 = (Atoms‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &    0 = (0g𝑈)    &   𝑁 = (LSpan‘𝑈)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝑄𝐵)       (𝜑 → (𝑄𝐴 ↔ ∃𝑥 ∈ (𝑉 ∖ { 0 })(𝐼𝑄) = (𝑁‘{𝑥})))

Theoremdihatexv2 35646* There is a nonzero vector that maps to every lattice atom. (Contributed by NM, 17-Aug-2014.)
𝐴 = (Atoms‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &    0 = (0g𝑈)    &   𝑁 = (LSpan‘𝑈)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))       (𝜑 → (𝑄𝐴 ↔ ∃𝑥 ∈ (𝑉 ∖ { 0 })𝑄 = (𝐼‘(𝑁‘{𝑥}))))

Theoremdihglblem6 35647* Isomorphism H of a lattice glb. (Contributed by NM, 9-Apr-2014.)
𝐵 = (Base‘𝐾)    &    = (le‘𝐾)    &    = (meet‘𝐾)    &   𝐴 = (Atoms‘𝐾)    &   𝐺 = (glb‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑃 = (LSubSp‘𝑈)    &   𝐷 = (LSAtoms‘𝑈)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆𝐵𝑆 ≠ ∅)) → (𝐼‘(𝐺𝑆)) = 𝑥𝑆 (𝐼𝑥))

Theoremdihglb 35648* Isomorphism H of a lattice glb. (Contributed by NM, 11-Apr-2014.)
𝐵 = (Base‘𝐾)    &   𝐺 = (glb‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆𝐵𝑆 ≠ ∅)) → (𝐼‘(𝐺𝑆)) = 𝑥𝑆 (𝐼𝑥))

Theoremdihglb2 35649* Isomorphism H of a lattice glb. (Contributed by NM, 11-Apr-2014.)
𝐵 = (Base‘𝐾)    &   𝐺 = (glb‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑆𝑉) → (𝐼‘(𝐺‘{𝑥𝐵𝑆 ⊆ (𝐼𝑥)})) = {𝑦 ∈ ran 𝐼𝑆𝑦})

Theoremdihmeet 35650 Isomorphism H of a lattice meet. (Contributed by NM, 13-Apr-2014.)
𝐵 = (Base‘𝐾)    &    = (meet‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑋𝐵𝑌𝐵) → (𝐼‘(𝑋 𝑌)) = ((𝐼𝑋) ∩ (𝐼𝑌)))

Theoremdihintcl 35651 The intersection of closed subspaces (the range of isomorphism H) is a closed subspace. (Contributed by NM, 14-Apr-2014.)
𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ ran 𝐼𝑆 ≠ ∅)) → 𝑆 ∈ ran 𝐼)

Theoremdihmeetcl 35652 Closure of closed subspace meet for DVecH vector space. (Contributed by NM, 5-Aug-2014.)
𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋 ∈ ran 𝐼𝑌 ∈ ran 𝐼)) → (𝑋𝑌) ∈ ran 𝐼)

Theoremdihmeet2 35653 Reverse isomorphism H of a closed subspace intersection. (Contributed by NM, 15-Jan-2015.)
= (meet‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝑋 ∈ ran 𝐼)    &   (𝜑𝑌 ∈ ran 𝐼)       (𝜑 → (𝐼‘(𝑋𝑌)) = ((𝐼𝑋) (𝐼𝑌)))

Syntaxcoch 35654 Extend class notation with subspace orthocomplement for DVecH vector space.
class ocH

Definitiondf-doch 35655* Define subspace orthocomplement for DVecH vector space. Temporarily, we are using the range of the isomorphism instead of the set of closed subspaces. Later, when inner product is introduced, we will show that these are the same. (Contributed by NM, 14-Mar-2014.)
ocH = (𝑘 ∈ V ↦ (𝑤 ∈ (LHyp‘𝑘) ↦ (𝑥 ∈ 𝒫 (Base‘((DVecH‘𝑘)‘𝑤)) ↦ (((DIsoH‘𝑘)‘𝑤)‘((oc‘𝑘)‘((glb‘𝑘)‘{𝑦 ∈ (Base‘𝑘) ∣ 𝑥 ⊆ (((DIsoH‘𝑘)‘𝑤)‘𝑦)}))))))

Theoremdochffval 35656* Subspace orthocomplement for DVecH vector space. (Contributed by NM, 14-Mar-2014.)
𝐵 = (Base‘𝐾)    &   𝐺 = (glb‘𝐾)    &    = (oc‘𝐾)    &   𝐻 = (LHyp‘𝐾)       (𝐾𝑉 → (ocH‘𝐾) = (𝑤𝐻 ↦ (𝑥 ∈ 𝒫 (Base‘((DVecH‘𝐾)‘𝑤)) ↦ (((DIsoH‘𝐾)‘𝑤)‘( ‘(𝐺‘{𝑦𝐵𝑥 ⊆ (((DIsoH‘𝐾)‘𝑤)‘𝑦)}))))))

Theoremdochfval 35657* Subspace orthocomplement for DVecH vector space. (Contributed by NM, 14-Mar-2014.)
𝐵 = (Base‘𝐾)    &   𝐺 = (glb‘𝐾)    &    = (oc‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &   𝑁 = ((ocH‘𝐾)‘𝑊)       ((𝐾𝑋𝑊𝐻) → 𝑁 = (𝑥 ∈ 𝒫 𝑉 ↦ (𝐼‘( ‘(𝐺‘{𝑦𝐵𝑥 ⊆ (𝐼𝑦)})))))

Theoremdochval 35658* Subspace orthocomplement for DVecH vector space. (Contributed by NM, 14-Mar-2014.)
𝐵 = (Base‘𝐾)    &   𝐺 = (glb‘𝐾)    &    = (oc‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &   𝑁 = ((ocH‘𝐾)‘𝑊)       (((𝐾𝑌𝑊𝐻) ∧ 𝑋𝑉) → (𝑁𝑋) = (𝐼‘( ‘(𝐺‘{𝑦𝐵𝑋 ⊆ (𝐼𝑦)}))))

Theoremdochval2 35659* Subspace orthocomplement for DVecH vector space. (Contributed by NM, 14-Apr-2014.)
= (oc‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &   𝑁 = ((ocH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑋𝑉) → (𝑁𝑋) = (𝐼‘( ‘(𝐼 {𝑧 ∈ ran 𝐼𝑋𝑧}))))

Theoremdochcl 35660 Closure of subspace orthocomplement for DVecH vector space. (Contributed by NM, 9-Mar-2014.)
𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &    = ((ocH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑋𝑉) → ( 𝑋) ∈ ran 𝐼)

Theoremdochlss 35661 A subspace orthocomplement is a subspace of the DVecH vector space. (Contributed by NM, 22-Jul-2014.)
𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &   𝑆 = (LSubSp‘𝑈)    &    = ((ocH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑋𝑉) → ( 𝑋) ∈ 𝑆)

Theoremdochssv 35662 A subspace orthocomplement belongs to the DVecH vector space. (Contributed by NM, 22-Jul-2014.)
𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &    = ((ocH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑋𝑉) → ( 𝑋) ⊆ 𝑉)

TheoremdochfN 35663 Domain and codomain of the subspace orthocomplement for the DVecH vector space. (Contributed by NM, 27-Dec-2014.) (New usage is discouraged.)
𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &    = ((ocH‘𝐾)‘𝑊)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))       (𝜑 :𝒫 𝑉⟶ran 𝐼)

Theoremdochvalr 35664 Orthocomplement of a closed subspace. (Contributed by NM, 14-Mar-2014.)
= (oc‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &   𝑁 = ((ocH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑋 ∈ ran 𝐼) → (𝑁𝑋) = (𝐼‘( ‘(𝐼𝑋))))

Theoremdoch0 35665 Orthocomplement of the zero subspace. (Contributed by NM, 19-Jun-2014.)
𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &    = ((ocH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &    0 = (0g𝑈)       ((𝐾 ∈ HL ∧ 𝑊𝐻) → ( ‘{ 0 }) = 𝑉)

Theoremdoch1 35666 Orthocomplement of the unit subspace (all vectors). (Contributed by NM, 19-Jun-2014.)
𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &    = ((ocH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &    0 = (0g𝑈)       ((𝐾 ∈ HL ∧ 𝑊𝐻) → ( 𝑉) = { 0 })

Theoremdochoc0 35667 The zero subspace is closed. (Contributed by NM, 16-Feb-2015.)
𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &    = ((ocH‘𝐾)‘𝑊)    &    0 = (0g𝑈)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))       (𝜑 → ( ‘( ‘{ 0 })) = { 0 })

Theoremdochoc1 35668 The unit subspace (all vectors) is closed. (Contributed by NM, 16-Feb-2015.)
𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &    = ((ocH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))       (𝜑 → ( ‘( 𝑉)) = 𝑉)

Theoremdochvalr2 35669 Orthocomplement of a closed subspace. (Contributed by NM, 21-Jul-2014.)
𝐵 = (Base‘𝐾)    &    = (oc‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &   𝑁 = ((ocH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑋𝐵) → (𝑁‘(𝐼𝑋)) = (𝐼‘( 𝑋)))

Theoremdochvalr3 35670 Orthocomplement of a closed subspace. (Contributed by NM, 15-Jan-2015.)
= (oc‘𝐾)    &   𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &   𝑁 = ((ocH‘𝐾)‘𝑊)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝑋 ∈ ran 𝐼)       (𝜑 → ( ‘(𝐼𝑋)) = (𝐼‘(𝑁𝑋)))

Theoremdoch2val2 35671* Double orthocomplement for DVecH vector space. (Contributed by NM, 26-Jul-2014.)
𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &    = ((ocH‘𝐾)‘𝑊)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝑋𝑉)       (𝜑 → ( ‘( 𝑋)) = {𝑧 ∈ ran 𝐼𝑋𝑧})

Theoremdochss 35672 Subset law for orthocomplement. (Contributed by NM, 16-Apr-2014.)
𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &    = ((ocH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑌𝑉𝑋𝑌) → ( 𝑌) ⊆ ( 𝑋))

Theoremdochocss 35673 Double negative law for orthocomplement of an arbitrary set of vectors. (Contributed by NM, 16-Apr-2014.)
𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &    = ((ocH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑋𝑉) → 𝑋 ⊆ ( ‘( 𝑋)))

Theoremdochoc 35674 Double negative law for orthocomplement of a closed subspace. (Contributed by NM, 14-Mar-2014.)
𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &    = ((ocH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑋 ∈ ran 𝐼) → ( ‘( 𝑋)) = 𝑋)

Theoremdochsscl 35675 If a set of vectors is included in a closed set, so is its closure. (Contributed by NM, 17-Jun-2015.)
𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &    = ((ocH‘𝐾)‘𝑊)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝑋𝑉)    &   (𝜑𝑌 ∈ ran 𝐼)       (𝜑 → (𝑋𝑌 ↔ ( ‘( 𝑋)) ⊆ 𝑌))

Theoremdochoccl 35676 A set of vectors is closed iff it equals its double orthocomplent. (Contributed by NM, 1-Jan-2015.)
𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &    = ((ocH‘𝐾)‘𝑊)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝑋𝑉)       (𝜑 → (𝑋 ∈ ran 𝐼 ↔ ( ‘( 𝑋)) = 𝑋))

Theoremdochord 35677 Ordering law for orthocomplement. (Contributed by NM, 12-Aug-2014.)
𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &    = ((ocH‘𝐾)‘𝑊)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝑋 ∈ ran 𝐼)    &   (𝜑𝑌 ∈ ran 𝐼)       (𝜑 → (𝑋𝑌 ↔ ( 𝑌) ⊆ ( 𝑋)))

Theoremdochord2N 35678 Ordering law for orthocomplement. (Contributed by NM, 29-Oct-2014.) (New usage is discouraged.)
𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &    = ((ocH‘𝐾)‘𝑊)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝑋 ∈ ran 𝐼)    &   (𝜑𝑌 ∈ ran 𝐼)       (𝜑 → (( 𝑋) ⊆ 𝑌 ↔ ( 𝑌) ⊆ 𝑋))

Theoremdochord3 35679 Ordering law for orthocomplement. (Contributed by NM, 9-Mar-2015.)
𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &    = ((ocH‘𝐾)‘𝑊)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝑋 ∈ ran 𝐼)    &   (𝜑𝑌 ∈ ran 𝐼)       (𝜑 → (𝑋 ⊆ ( 𝑌) ↔ 𝑌 ⊆ ( 𝑋)))

Theoremdoch11 35680 Orthocomplement is one-to-one. (Contributed by NM, 12-Aug-2014.)
𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &    = ((ocH‘𝐾)‘𝑊)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝑋 ∈ ran 𝐼)    &   (𝜑𝑌 ∈ ran 𝐼)       (𝜑 → (( 𝑋) = ( 𝑌) ↔ 𝑋 = 𝑌))

TheoremdochsordN 35681 Strict ordering law for orthocomplement. (Contributed by NM, 12-Aug-2014.) (New usage is discouraged.)
𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &    = ((ocH‘𝐾)‘𝑊)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝑋 ∈ ran 𝐼)    &   (𝜑𝑌 ∈ ran 𝐼)       (𝜑 → (𝑋𝑌 ↔ ( 𝑌) ⊊ ( 𝑋)))

Theoremdochn0nv 35682 An orthocomplement is nonzero iff the double orthocomplement is not the whole vector space. (Contributed by NM, 1-Jan-2015.)
𝐻 = (LHyp‘𝐾)    &    = ((ocH‘𝐾)‘𝑊)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &    0 = (0g𝑈)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝑋𝑉)       (𝜑 → (( 𝑋) ≠ { 0 } ↔ ( ‘( 𝑋)) ≠ 𝑉))

Theoremdihoml4c 35683 Version of dihoml4 35684 with closed subspaces. (Contributed by NM, 15-Jan-2015.)
𝐻 = (LHyp‘𝐾)    &   𝐼 = ((DIsoH‘𝐾)‘𝑊)    &    = ((ocH‘𝐾)‘𝑊)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝑋 ∈ ran 𝐼)    &   (𝜑𝑌 ∈ ran 𝐼)    &   (𝜑𝑋𝑌)       (𝜑 → (( ‘(( 𝑋) ∩ 𝑌)) ∩ 𝑌) = 𝑋)

Theoremdihoml4 35684 Orthomodular law for constructed vector space H. Lemma 3.3(1) in [Holland95] p. 215. (poml4N 34257 analog.) (Contributed by NM, 15-Jan-2015.)
𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑆 = (LSubSp‘𝑈)    &    = ((ocH‘𝐾)‘𝑊)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝑋𝑆)    &   (𝜑𝑌𝑆)    &   (𝜑 → ( ‘( 𝑌)) = 𝑌)    &   (𝜑𝑋𝑌)       (𝜑 → (( ‘(( 𝑋) ∩ 𝑌)) ∩ 𝑌) = ( ‘( 𝑋)))

Theoremdochspss 35685 The span of a set of vectors is included in their double orthocomplement. (Contributed by NM, 26-Jul-2014.)
𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &    = ((ocH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &   𝑁 = (LSpan‘𝑈)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝑋𝑉)       (𝜑 → (𝑁𝑋) ⊆ ( ‘( 𝑋)))

Theoremdochocsp 35686 The span of an orthocomplement equals the orthocomplement of the span. (Contributed by NM, 7-Aug-2014.)
𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &    = ((ocH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &   𝑁 = (LSpan‘𝑈)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝑋𝑉)       (𝜑 → ( ‘(𝑁𝑋)) = ( 𝑋))

TheoremdochspocN 35687 The span of an orthocomplement equals the orthocomplement of the span. (Contributed by NM, 7-Aug-2014.) (New usage is discouraged.)
𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &    = ((ocH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &   𝑁 = (LSpan‘𝑈)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝑋𝑉)       (𝜑 → (𝑁‘( 𝑋)) = ( ‘(𝑁𝑋)))

Theoremdochocsn 35688 The double orthocomplement of a singleton is its span. (Contributed by NM, 13-Jan-2015.)
𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &    = ((ocH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &   𝑁 = (LSpan‘𝑈)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝑋𝑉)       (𝜑 → ( ‘( ‘{𝑋})) = (𝑁‘{𝑋}))

Theoremdochsncom 35689 Swap vectors in an orthocomplement of a singleton. (Contributed by NM, 17-Jun-2015.)
𝐻 = (LHyp‘𝐾)    &    = ((ocH‘𝐾)‘𝑊)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝑋𝑉)    &   (𝜑𝑌𝑉)       (𝜑 → (𝑋 ∈ ( ‘{𝑌}) ↔ 𝑌 ∈ ( ‘{𝑋})))

Theoremdochsat 35690 The double orthocomplement of an atom is an atom. (Contributed by NM, 29-Oct-2014.)
𝐻 = (LHyp‘𝐾)    &    = ((ocH‘𝐾)‘𝑊)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑆 = (LSubSp‘𝑈)    &   𝐴 = (LSAtoms‘𝑈)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝑄𝑆)       (𝜑 → (( ‘( 𝑄)) ∈ 𝐴𝑄𝐴))

Theoremdochshpncl 35691 If a hyperplane is not closed, its closure equals the vector space. (Contributed by NM, 29-Oct-2014.)
𝐻 = (LHyp‘𝐾)    &    = ((ocH‘𝐾)‘𝑊)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &   𝑌 = (LSHyp‘𝑈)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝑋𝑌)       (𝜑 → (( ‘( 𝑋)) ≠ 𝑋 ↔ ( ‘( 𝑋)) = 𝑉))

Theoremdochlkr 35692 Equivalent conditions for the closure of a kernel to be a hyperplane. (Contributed by NM, 29-Oct-2014.)
𝐻 = (LHyp‘𝐾)    &    = ((ocH‘𝐾)‘𝑊)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝐹 = (LFnl‘𝑈)    &   𝑌 = (LSHyp‘𝑈)    &   𝐿 = (LKer‘𝑈)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝐺𝐹)       (𝜑 → (( ‘( ‘(𝐿𝐺))) ∈ 𝑌 ↔ (( ‘( ‘(𝐿𝐺))) = (𝐿𝐺) ∧ (𝐿𝐺) ∈ 𝑌)))

Theoremdochkrshp 35693 The closure of a kernel is a hyperplane iff it doesn't contain all vectors. (Contributed by NM, 1-Nov-2014.)
𝐻 = (LHyp‘𝐾)    &    = ((ocH‘𝐾)‘𝑊)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &   𝑌 = (LSHyp‘𝑈)    &   𝐹 = (LFnl‘𝑈)    &   𝐿 = (LKer‘𝑈)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝐺𝐹)       (𝜑 → (( ‘( ‘(𝐿𝐺))) ≠ 𝑉 ↔ ( ‘( ‘(𝐿𝐺))) ∈ 𝑌))

Theoremdochkrshp2 35694 Properties of the closure of the kernel of a functional. (Contributed by NM, 1-Jan-2015.)
𝐻 = (LHyp‘𝐾)    &    = ((ocH‘𝐾)‘𝑊)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &   𝑌 = (LSHyp‘𝑈)    &   𝐹 = (LFnl‘𝑈)    &   𝐿 = (LKer‘𝑈)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝐺𝐹)       (𝜑 → (( ‘( ‘(𝐿𝐺))) ≠ 𝑉 ↔ (( ‘( ‘(𝐿𝐺))) = (𝐿𝐺) ∧ (𝐿𝐺) ∈ 𝑌)))

Theoremdochkrshp3 35695 Properties of the closure of the kernel of a functional. (Contributed by NM, 1-Jan-2015.)
𝐻 = (LHyp‘𝐾)    &    = ((ocH‘𝐾)‘𝑊)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &   𝐹 = (LFnl‘𝑈)    &   𝐿 = (LKer‘𝑈)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝐺𝐹)       (𝜑 → (( ‘( ‘(𝐿𝐺))) ≠ 𝑉 ↔ (( ‘( ‘(𝐿𝐺))) = (𝐿𝐺) ∧ (𝐿𝐺) ≠ 𝑉)))

Theoremdochkrshp4 35696 Properties of the closure of the kernel of a functional. (Contributed by NM, 1-Jan-2015.)
𝐻 = (LHyp‘𝐾)    &    = ((ocH‘𝐾)‘𝑊)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &   𝐹 = (LFnl‘𝑈)    &   𝐿 = (LKer‘𝑈)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝐺𝐹)       (𝜑 → (( ‘( ‘(𝐿𝐺))) = (𝐿𝐺) ↔ (( ‘( ‘(𝐿𝐺))) ≠ 𝑉 ∨ (𝐿𝐺) = 𝑉)))

Theoremdochdmj1 35697 De Morgan-like law for subspace orthocomplement. (Contributed by NM, 5-Aug-2014.)
𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &    = ((ocH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑋𝑉𝑌𝑉) → ( ‘(𝑋𝑌)) = (( 𝑋) ∩ ( 𝑌)))

Theoremdochnoncon 35698 Law of noncontradiction. The intersection of a subspace and its orthocomplement is the zero subspace. (Contributed by NM, 16-Apr-2014.)
𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑆 = (LSubSp‘𝑈)    &    0 = (0g𝑈)    &    = ((ocH‘𝐾)‘𝑊)       (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝑋𝑆) → (𝑋 ∩ ( 𝑋)) = { 0 })

Theoremdochnel2 35699 A nonzero member of a subspace doesn't belong to the orthocomplement of the subspace. (Contributed by NM, 28-Feb-2015.)
𝐻 = (LHyp‘𝐾)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑆 = (LSubSp‘𝑈)    &    0 = (0g𝑈)    &    = ((ocH‘𝐾)‘𝑊)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝑇𝑆)    &   (𝜑𝑋 ∈ (𝑇 ∖ { 0 }))       (𝜑 → ¬ 𝑋 ∈ ( 𝑇))

Theoremdochnel 35700 A nonzero vector doesn't belong to the orthocomplement of its singleton. (Contributed by NM, 27-Oct-2014.)
𝐻 = (LHyp‘𝐾)    &    = ((ocH‘𝐾)‘𝑊)    &   𝑈 = ((DVecH‘𝐾)‘𝑊)    &   𝑉 = (Base‘𝑈)    &    0 = (0g𝑈)    &   (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))    &   (𝜑𝑋 ∈ (𝑉 ∖ { 0 }))       (𝜑 → ¬ 𝑋 ∈ ( ‘{𝑋}))

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