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Statement List for Metamath Proof Explorer - 9101-9200 - Page 92 of 107
TypeLabelDescription
Statement
 
Theoremhhsssm 9101 The scalar multiplication operation on a subspace.
|- W = <.<.( +h |` (H X. H)), ( .h |` (CC X. H))>., (normh |` H)>.   =>   |- ( .h |` (CC X. H)) = (.s` W)
 
Theoremhhssnm 9102 The norm operation on a subspace.
|- W = <.<.( +h |` (H X. H)), ( .h |` (CC X. H))>., (normh |` H)>.   =>   |- (normh |` H) = (norm` W)
 
Theoremhhssabl 9103 Abelian group property of subspace addition.
|- H e. SH   =>   |- ( +h |` (H X. H)) e. Abel
 
Theoremhhssablt 9104 Abelian group property of subspace addition.
|- (H e. SH -> ( +h |` (H X. H)) e. Abel)
 
Theoremhhssnv 9105 Normed complex vector space property of a subspace.
|- W = <.<.( +h |` (H X. H)), ( .h |` (CC X. H))>., (normh |` H)>.   &   |- H e. SH   =>   |- W e. NrmCVec
 
Theoremhhssnvt 9106 Normed complex vector space property of a subspace.
|- W = <.<.( +h |` (H X. H)), ( .h |` (CC X. H))>., (normh |` H)>.   =>   |- (H e. SH -> W e. NrmCVec)
 
Theoremhhsst 9107 A member of SH is a subspace.
|- U = <.<. +h , .h >., normh>.   &   |- W = <.<.( +h |` (H X. H)), ( .h |` (CC X. H))>., (normh |` H)>.   =>   |- (H e. SH -> W e. (SubSp` U))
 
Theoremhhshsslem1 9108 Lemma for hhsssh 9110.
 
Theoremhhshsslem2 9109 Lemma for hhsssh 9110.
 
Theoremhhsssh 9110 The predicate "H is a subspace of Hilbert space."
|- U = <.<. +h , .h >., normh>.   &   |- W = <.<.( +h |` (H X. H)), ( .h |` (CC X. H))>., (normh |` H)>.   =>   |- (H e. SH <-> (W e. (SubSp` U) /\ H (_ H~))
 
Theoremhhsssh2 9111 The predicate "H is a subspace of Hilbert space."
|- W = <.<.( +h |` (H X. H)), ( .h |` (CC X. H))>., (normh |` H)>.   =>   |- (H e. SH <-> (W e. NrmCVec /\ H (_ H~))
 
Theoremhhssba 9112 The base set of a subspace.
|- W = <.<.( +h |` (H X. H)), ( .h |` (CC X. H))>., (normh |` H)>.   &   |- H e. SH   =>   |- H = (Base` W)
 
Theoremhhssvs 9113 The vector subtraction operation on a subspace.
|- W = <.<.( +h |` (H X. H)), ( .h |` (CC X. H))>., (normh |` H)>.   &   |- H e. SH   =>   |- ( -h |` (H X. H)) = (-v` W)
 
Theoremhhssvsf 9114 Mapping of the vector subtraction operation on a subspace.
|- W = <.<.( +h |` (H X. H)), ( .h |` (CC X. H))>., (normh |` H)>.   &   |- H e. SH   =>   |- ( -h |` (H X. H)):(H X. H)-->H
 
Theoremhhssph 9115 Inner product space property of a subspace.
|- W = <.<.( +h |` (H X. H)), ( .h |` (CC X. H))>., (normh |` H)>.   &   |- H e. SH   =>   |- W e. CPreHil
 
Theoremhhssims 9116 Induced metric of a subspace.
|- W = <.<.( +h |` (H X. H)), ( .h |` (CC X. H))>., (normh |` H)>.   &   |- H e. SH   &   |- D = ((normh o. -h ) |` (H X. H))   =>   |- D = (IndMet` W)
 
Theoremhhssims2 9117 Induced metric of a subspace.
|- W = <.<.( +h |` (H X. H)), ( .h |` (CC X. H))>., (normh |` H)>.   &   |- D = (IndMet` W)   &   |- H e. SH   =>   |- D = ((normh o. -h ) |` (H X. H))
 
Theoremhhssmet 9118 Induced metric of a subspace.
|- W = <.<.( +h |` (H X. H)), ( .h |` (CC X. H))>., (normh |` H)>.   &   |- D = (IndMet` W)   &   |- H e. SH   =>   |- D e. Met
 
Theoremhhssmetba 9119 The base set for the metric of a subspace.
|- W = <.<.( +h |` (H X. H)), ( .h |` (CC X. H))>., (normh |` H)>.   &   |- D = (IndMet` W)   &   |- H e. SH   =>   |- H = dom dom D
 
Theoremhhssmetdval 9120 Value of the distance function of the metric space of a subspace.
|- W = <.<.( +h |` (H X. H)), ( .h |` (CC X. H))>., (normh |` H)>.   &   |- D = (IndMet` W)   &   |- H e. SH   =>   |- ((A e. H /\ B e. H) -> (ADB) = (normh` (A -h B)))
 
Theoremhhsscms 9121 The induced metric of a closed subspace is complete.
|- W = <.<.( +h |` (H X. H)), ( .h |` (CC X. H))>., (normh |` H)>.   &   |- D = (IndMet` W)   &   |- H e. CH   =>   |- D e. CMet
 
Theoremhhssbn 9122 Banach space property of a closed subspace.
|- W = <.<.( +h |` (H X. H)), ( .h |` (CC X. H))>., (normh |` H)>.   &   |- H e. CH   =>   |- W e. CBan
 
Theoremhhsshl 9123 Hilbert space property of a closed subspace.
|- W = <.<.( +h |` (H X. H)), ( .h |` (CC X. H))>., (normh |` H)>.   &   |- H e. CH   =>   |- W e. CHil
 
Theoremocvalt 9124 Value of orthogonal complement of a subset of Hilbert space.
|- (H (_ H~ -> (_|_` H) = {x e. H~ | A.y e. H (x .ih y) = 0})
 
Theoremocelt 9125 Membership in orthogonal complement of H subset.
|- (H (_ H~ -> (A e. (_|_` H) <-> (A e. H~ /\ A.x e. H (A .ih x) = 0)))
 
Theoremshocelt 9126 Membership in orthogonal complement of H subspace.
|- (H e. SH -> (A e. (_|_` H) <-> (A e. H~ /\ A.x e. H (A .ih x) = 0)))
 
Theoremocsh 9127 The orthogonal complement of a subspace is a subspace. Part of Remark 3.12 of [Beran] p. 107.
|- (A (_ H~ -> (_|_` A) e. SH)
 
Theoremshocsh 9128 The orthogonal complement of a subspace is a subspace. Part of Remark 3.12 of [Beran] p. 107.
|- (A e. SH -> (_|_` A) e. SH)
 
Theoremocss 9129 An orthogonal complement is a subset of Hilbert space.
|- (A (_ H~ -> (_|_` A) (_ H~)
 
Theoremshocss 9130 An orthogonal complement is a subset of Hilbert space.
|- (A e. SH -> (_|_` A) (_ H~)
 
Theoremoccont 9131 Contraposition law for orthogonal complement.
|- ((A (_ H~ /\ B (_ H~) -> (A (_ B -> (_|_` B) (_ (_|_` A)))
 
Theoremoccon2t 9132 Double contraposition for orthogonal complement.
|- ((A (_ H~ /\ B (_ H~) -> (A (_ B -> (_|_` (_|_` A)) (_ (_|_` (_|_` B))))
 
Theoremoccon2 9133 Double contraposition for orthogonal complement.
|- A (_ H~   &   |- B (_ H~   =>   |- (A (_ B -> (_|_` (_|_` A)) (_ (_|_` (_|_`
 B)))
 
Theoremoc0 9134 The zero vector belongs to an orthogonal complement of a Hilbert subspace.
|- (H e. SH -> 0h e. (_|_` H))
 
Theoremocorth 9135 Members of a subset and its complement are orthogonal.
|- (H (_ H~ -> ((A e. H /\ B e. (_|_` H)) -> (A .ih B) = 0))
 
Theoremshocorth 9136 Members of a subspace and its complement are orthogonal.
|- (H e. SH -> ((A e. H /\ B e. (_|_` H)) -> (A .ih B) = 0))
 
Theoremococss 9137 Inclusion in complement of complement. Part of Proposition 1 of [Kalmbach] p. 65.
|- (A (_ H~ -> A (_ (_|_` (_|_` A)))
 
Theoremshococss 9138 Inclusion in complement of complement. Part of Proposition 1 of [Kalmbach] p. 65.
|- (A e. SH -> A (_ (_|_` (_|_` A)))
 
Theoremshorth 9139 Members of orthogonal subspaces are orthogonal.
|- (H e. SH -> (G (_ (_|_`
 H) -> ((A e. G /\ B e. H) -> (A .ih B) = 0)))
 
Theoremocin 9140 Intersection of a Hilbert subspace and its complement. Part of Proposition 1 of [Kalmbach] p. 65.
|- (A e. SH -> (A i^i (_|_` A)) = 0H)
 
Theoremocnelt 9141 A nonzero vector in the complement of a subspace does not belong to the subspace.
|- ((H e. SH /\ A e. (_|_` H) /\ A =/= 0h) -> -. A e. H)
 
Theoremchocval 9142 Value of the orthogonal complement of a Hilbert lattice element. The orthogonal complement of A is the set of vectors that are orthogonal to all vectors in A.
|- A e. CH   =>   |- (_|_` A) = {x e. H~ | A.y e. A (x .ih y) = 0}
 
Theoremchocuni 9143 Lemma for uniqueness part of Projection Theorem. Theorem 3.7(i) of [Beran] p. 102 (uniqueness part).
 
Theoremoccllem1 9144 Lemma for closure of complement of Hilbert subspace. Part of Remark 3.12 of [Beran] p. 107.
 
Theoremoccllem2 9145 Lemma for closure of complement of Hilbert subspace. Part of Remark 3.12 of [Beran] p. 107.
 
Theoremoccllem3 9146 Lemma for closure of complement of Hilbert subspace. Part of Remark 3.12 of [Beran] p. 107.
 
Theoremoccllem4 9147 Lemma for closure of complement of Hilbert subspace. Part of Remark 3.12 of [Beran] p. 107.
 
Theoremoccllem5 9148 Lemma for closure of complement of Hilbert subspace. Part of Remark 3.12 of [Beran] p. 107.
 
Theoremoccllem6 9149 Lemma for closure of complement of Hilbert subspace. Part of Remark 3.12 of [Beran] p. 107.
 
Theoremoccllem7 9150 Lemma for closure of complement of Hilbert subspace. Part of Remark 3.12 of [Beran] p. 107.
 
Theoremoccllem8 9151 Lemma for closure of complement of Hilbert subspace. Part of Remark 3.12 of [Beran] p. 107.
 
Theoremoccl 9152 Closure of complement of Hilbert subset. Part of Remark 3.12 of [Beran] p. 107.
|- A (_ H~   =>   |- (_|_` A) e. CH
 
Theoremocclt 9153 Closure of complement of Hilbert subset. Part of Remark 3.12 of [Beran] p. 107.
|- (A (_ H~ -> (_|_` A) e. CH)
 
Theoremshocclt 9154 Closure of complement of Hilbert subspace. Part of Remark 3.12 of [Beran] p. 107.
|- (A e. SH -> (_|_` A) e. CH)
 
Theoremchocclt 9155 Closure of complement of Hilbert subspace. Part of Remark 3.12 of [Beran] p. 107.
|- (A e. CH -> <