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Statement List for Metamath Proof Explorer - 9101-9200 - Page 92 of 123
TypeLabelDescription
Statement
 
Syntaxck 9101 Extend class notation with the outer product of two vectors in Dirac bra-ket notation.
class ketbra
 
Syntaxcleo 9102 Extend class notation with positive operator ordering.
class <_op
 
Syntaxcei 9103 Extend class notation with Hilbert space eigenvector function.
class eigvec
 
Syntaxcel 9104 Extend class notation with Hilbert space eigenvalue function.
class eigval
 
Syntaxcspc 9105 Extend class notation with the spectrum of an operator.
class Lambda
 
Syntaxcst 9106 Extend class notation with set of states on a Hilbert lattice.
class States
 
Syntaxchst 9107 Extend class notation with set of Hilbert-space-valued states on a Hilbert lattice.
class CHStates
 
Syntaxcat 9108 Extend class notation with set of atoms on a Hilbert lattice.
class Atoms
 
Syntaxccv 9109 Extend class notation with the covers relation on a Hilbert lattice.
class <o
 
Syntaxcmd 9110 Extend class notation with the modular pair relation on a Hilbert lattice.
class MH
 
Syntaxcdmd 9111 Extend class notation with the dual modular pair relation on a Hilbert lattice.
class MH*
 
Preliminary ZFC lemmas
 
Definitiondf-hnorm 9112 Define the function for the norm of a vector of Hilbert space. See normval 9266 for its value and normcl 9267 for its closure. Theorems norm-i.i 9276, norm-ii.i 9280, and norm-iii.i 9282 show it has the expected properties of a norm. In the literature, the norm of A is usually written "|| A ||", but we use function notation to take advantage of our existing theorems about functions. Definition of norm in [Beran] p. 96.
|- normh = {<.x, y>. | (x e. dom dom .ih /\ y = (sqr` (x .ih x)))}
 
Definitiondf-hba 9113 Define base set of Hilbert space, for use if we want to develop Hilbert space independently from the axioms (see comments in ax-hilex 9144). Note that H~ is considered a primitive in the Hilbert space axioms below, and we don't use this definition outside of this section. This definition can be proved independently from those axioms as as theorem hhba 9310.
|- H~ = (BaseSet` <.<. +h , .h >., normh>.)
 
Definitiondf-h0v 9114 Define the zero vector of Hilbert space. Note that 0v is considered a primitive in the Hilbert space axioms below, and we don't use this definition outside of this section. It is proved from the axioms as theorem hh0v 9311.
|- 0h = (0v` <.<. +h , .h >., normh>.)
 
Definitiondf-hvsub 9115 Define vector subtraction. See hvsubvali 9165 for its value and hvsubcli 9166 for its closure.
|- -h = {<.<.x, y>., z>. | ((x e. H~ /\ y e. H~) /\ z = (x +h (-u1 .h y)))}
 
Definitiondf-hlim 9116 Define the limit relation for Hilbert space. See hlimi 9332 for its relational expression. Note that f:NN-->H~ is an infinite sequence of vectors, i.e. a mapping from integers to vectors. Definition of converge in [Beran] p. 96.
|- ~~>v = {<.f, w>. | ((f:NN-->H~ /\ w e. H~) /\ A.x e. RR (0 < x -> E.y e. NN A.z e. NN (y <_ z -> (normh` ((f` z) -h w)) < x)))}
 
Definitiondf-hcau 9117 Define the set of Cauchy sequences on a Hilbert space. See hcau 9327 for its membership relation. Note that f:NN-->H~ is an infinite sequence of vectors, i.e. a mapping from integers to vectors. Definition of Cauchy sequence in [Beran] p. 96.
|- Cauchy = {f | (f:NN-->H~ /\ A.x e. RR (0 < x -> E.y e. NN A.z e. NN A.w e. NN ((y <_ z /\ y <_ w) -> (normh` ((f` z) -h (f` w))) < x)))}
 
Theoremh2hva 9118 The group (addition) operation of Hilbert space.
|- U = <.<. +h , .h >., normh>.   &   |- U e. NrmCVec   =>   |- +h = (+v` U)
 
Theoremh2hsm 9119 The scalar product operation of Hilbert space.
|- U = <.<. +h , .h >., normh>.   &   |- U e. NrmCVec   =>   |- .h = (.s` U)
 
Theoremh2hnm 9120 The norm function of Hilbert space.
|- U = <.<. +h , .h >., normh>.   &   |- U e. NrmCVec   =>   |- normh = (norm` U)
 
Theoremh2hvs 9121 The vector subtraction operation of Hilbert space.
|- U = <.<. +h , .h >., normh>.   &   |- U e. NrmCVec   &   |- H~ = (BaseSet` U)   =>   |- -h = (-v`
 U)
 
Theoremh2hmetba 9122 The base set for the metric for Hilbert space.
|- U = <.<. +h , .h >., normh>.   &   |- U e. NrmCVec   &   |- H~ = (BaseSet` U)   &   |- D = (IndMet` U)   =>   |- H~ = dom dom D
 
Theoremh2hmetdval 9123 Value of the distance function of the metric space of Hilbert space.
|- U = <.<. +h , .h >., normh>.   &   |- U e. NrmCVec   &   |- H~ = (BaseSet` U)   &   |- D = (IndMet` U)   =>   |- ((A e. H~ /\ B e. H~) -> (ADB) = (normh` (A -h B)))
 
Theoremh2hcau 9124 The Cauchy sequences of Hilbert space.
|- U = <.<. +h , .h >., normh>.   &   |- U e. NrmCVec   &   |- H~ = (BaseSet` U)   &   |- D = (IndMet` U)   =>   |- Cauchy = ((Cau` D) i^i (H~ ^m NN))
 
Theoremh2hlm 9125 The limit sequences of Hilbert space.
|- U = <.<. +h , .h >., normh>.   &   |- U e. NrmCVec   &   |- H~ = (BaseSet` U)   &   |- D = (IndMet` U)   =>   |- ~~>v = ((~~>m` D) |` (H~ ^m NN))
 
Derive the Hilbert space axioms from ZFC set theory
 
Theoremaxhilex 9126 Derive axiom ax-hilex 9144 from Hilbert space under ZF set theory.

Before introducing the 18 axioms for Hilbert space, we first prove them as the conclusions of theorems axhilex 9126 through axhcompl 9143, using ZFC set theory only. These show that if we are given a known, fixed Hilbert space U = <.<. +h , .h >., normh>. that satisfies their hypotheses, then we can derive the Hilbert space axioms as theorems of ZFC set theory. In practice, in order to use these theorems to convert the Hilbert Space explorer to a ZFC-only subtheory, we would also have to provide definitions for the 3 (otherwise primitive) class constants +h, .h, and .ih before df-hnorm 9112 above. See also the comment in ax-hilex 9144.

|- U = <.<. +h , .h >., normh>.   &   |- U e. CHil   =>   |- H~ e. V
 
Theoremaxhfvadd 9127 Derive axiom ax-hfvadd 9145 from Hilbert space under ZF set theory.
|- U = <.<. +h , .h >., normh>.   &   |- U e. CHil   =>   |- +h :(H~ X. H~)-->H~
 
Theoremaxhvcom 9128 Derive axiom ax-hvcom 9146 from Hilbert space under ZF set theory.
|- U = <.<. +h , .h >., normh>.   &   |- U e. CHil   =>   |- ((A e. H~ /\ B e. H~) -> (A +h B) = (B +h A))
 
Theoremaxhvass 9129 Derive axiom ax-hvass 9147 from Hilbert space under ZF set theory.
|- U = <.<. +h , .h >., normh>.   &   |- U e. CHil   =>   |- ((A e. H~ /\ B e. H~ /\ C e. H~) -> ((A +h B) +h C) = (A +h (B +h C)))
 
Theoremaxhv0cl 9130 Derive axiom ax-hv0cl 9148 from Hilbert space under ZF set theory.
|- U = <.<. +h , .h >., normh>.   &   |- U e. CHil   =>   |- 0h e. H~
 
Theoremaxhvaddid 9131 Derive axiom ax-hvaddid 9149 from Hilbert space under ZF set theory.
|- U = <.<. +h , .h >., normh>.   &   |- U e. CHil   =>   |- (A e. H~ -> (A +h 0h) = A)
 
Theoremaxhfvmul 9132 Derive axiom ax-hfvmul 9150 from Hilbert space under ZF set theory.
|- U = <.<. +h , .h >., normh>.   &   |- U e. CHil   =>   |- .h :(CC X. H~)-->H~
 
Theoremaxhvmulid 9133 Derive axiom ax-hvmulid 9151 from Hilbert space under ZF set theory.
|- U = <.<. +h , .h >., normh>.   &   |- U e. CHil   =>   |- (A e. H~ -> (1 .h A) = A)
 
Theoremaxhvmulass 9134 Derive axiom ax-hvmulass 9152 from Hilbert space under ZF set theory.
|- U = <.<. +h , .h >., normh>.   &   |- U e. CHil   =>   |- ((A e. CC /\ B e. CC /\ C e. H~) -> ((A x. B) .h C) = (A .h (B .h C)))
 
Theoremaxhvdistr1 9135 Derive axiom ax-hvdistr1 9153 from Hilbert space under ZF set theory.
|- U = <.<. +h , .h >., normh>.   &   |- U e. CHil   =>   |- ((A e. CC /\ B e. H~ /\ C e. H~) -> (A .h (B +h C)) = ((A .h B) +h (A .h C)))
 
Theoremaxhvdistr2 9136 Derive axiom ax-hvdistr2 9154 from Hilbert space under ZF set theory.
|- U = <.<. +h , .h >., normh>.   &   |- U e. CHil   =>   |- ((A e. CC /\ B e. CC /\ C e. H~) -> ((A + B) .h C) = ((A .h C) +h (B .h C)))
 
Theoremaxhvmul0 9137 Derive axiom ax-hvmul0 9155 from Hilbert space under ZF set theory.
|- U = <.<. +h , .h >., normh>.   &   |- U e. CHil   =>   |- (A e. H~ -> (0 .h A) = 0h)
 
Theoremaxhfi 9138 Derive axiom ax-hfi 9222 from Hilbert space under ZF set theory.
|- U = <.<. +h , .h >., normh>.   &   |- U e. CHil   &   |- .ih = (.i` U)   =>   |- .ih :(H~ X. H~)-->CC
 
Theoremaxhis1 9139 Derive axiom ax-his1 9225 from Hilbert space under ZF set theory.
|- U = <.<. +h , .h >., normh>.   &   |- U e. CHil   &   |- .ih = (.i` U)   =>   |- ((A e. H~ /\ B e. H~) -> (A .ih B) = (*` (B .ih A)))
 
Theoremaxhis2 9140 Derive axiom ax-his2 9226 from Hilbert space under ZF set theory.
|- U = <.<. +h , .h >., normh>.   &   |- U e. CHil   &   |- .ih = (.i` U)   =>   |- ((A e. H~ /\ B e. H~ /\ C e. H~) -> ((A +h B) .ih C) = ((A .ih C) + (B .ih C)))
 
Theoremaxhis3 9141 Derive axiom ax-his3 9227 from Hilbert space under ZF set theory.
|- U = <.<. +h , .h >., normh>.   &   |- U e. CHil   &   |- .ih = (.i` U)   =>   |- ((A e. CC /\ B e. H~ /\ C e. H~) -> ((A .h B) .ih C) = (A x. (B .ih C)))
 
Theoremaxhis4 9142 Derive axiom ax-his4 9228 from Hilbert space under ZF set theory.
|- U = <.<. +h , .h >., normh>.   &   |- U e. CHil   &   |- .ih = (.i` U)   =>   |- ((A e. H~ /\ A =/= 0h) -> 0 < (A .ih A))
 
Theoremaxhcompl 9143 Derive axiom ax-hcompl 9347 from Hilbert space under ZF set theory.
|- U = <.<. +h , .h >., normh>.   &   |- U e. CHil   =>   |- (F e. Cauchy -> E.x e. H~ F ~~>v x)
 
Introduce the vector space axioms for a Hilbert space
 
Axiomax-hilex 9144 This is our first axiom for a complex Hilbert space, which is the foundation for quantum mechanics and quantum field theory. We assume that there exists a primitive class, H~, which contains objects called vectors.

The 18 axioms for a complex Hilbert space consist of ax-hilex 9144, ax-hfvadd 9145, ax-hvcom 9146, ax-hvass 9147, ax-hv0cl 9148, ax-hvaddid 9149, ax-hfvmul 9150, ax-hvmulid 9151, ax-hvmulass 9152, ax-hvdistr1 9153, ax-hvdistr2 9154, ax-hvmul0 9155, ax-hfi 9222, ax-his1 9225, ax-his2 9226, ax-his3 9227, ax-his4 9228, and ax-hcompl 9347.

The axioms specify the properties of 5 primitive symbols, H~, +h, .h, 0h, and .ih.

If we can prove in ZFC set theory that a class U = <.<. +h , .h >., normh>. is a complex Hilbert space, i.e. that U e. CHil, then these axioms can be proved as theorems axhilex 9126, axhfvadd 9127, axhvcom 9128, axhvass 9129, axhv0cl 9130, axhvaddid 9131 , axhfvmul 9132, axhvmulid 9133, axhvmulass 9134, axhvdistr1 9135, axhvdistr2 9136 , axhvmul0 9137, axhfi 9138, axhis1 9139, axhis2 9140, axhis3 9141, axhis4 9142, and axhcompl 9143 respectively. In that case, the theorems of the Hilbert Space Explorer will become theorems of ZFC set theory. See also the comments in axhilex 9126.

|- H~ e. V
 
Axiomax-hfvadd 9145 Vector addition is an operation on H~.
|- +h :(H~ X. H~)-->H~
 
Axiomax-hvcom 9146 Vector addition is commutative.
|- ((A e. H~ /\ B e. H~) -> (A +h B) = (B +h A))
 
Axiomax-hvass 9147 Vector addition is associative.
|- ((A e. H~ /\ B e. H~ /\ C e. H~) -> ((A +h B) +h C) = (A +h (B +h C)))
 
Axiomax-hv0cl 9148 The zero vector is in the vector space.
|- 0h e. H~
 
Axiomax-hvaddid 9149 Addition with the zero vector.
|- (A e. H~ -> (A +h 0h) = A)
 
Axiomax-hfvmul 9150 Scalar multiplication is an operation on CC and H~.
|- .h :(CC X. H~)-->H~
 
Axiomax-hvmulid 9151 Scalar multiplication by one.
|- (A e. H~ -> (1 .h A) = A)
 
Axiomax-hvmulass 9152 Scalar multiplication associative law
|- ((A e. CC /\ B e. CC /\ C e. H~) -> ((A x. B) .h C) = (A .h (B .h C)))
 
Axiomax-hvdistr1 9153 Scalar multiplication distributive law
|- ((A e. CC /\ B e. H~ /\ C e. H~) -> (A .h (B +h C)) = ((A .h B) +h (A .h C)))
 
Axiomax-hvdistr2 9154 Scalar multiplication distributive law
|- ((A e. CC /\ B e. CC /\ C e. H~) -> ((A + B) .h C) = ((A .h C) +h (B .h C)))
 
Axiomax-hvmul0 9155 Scalar multiplication by zero. We can derive the existence of the negative of a vector from this axiom (see hvsubid 9170 and hvsubval 9161).
|- (A e. H~ -> (0 .h A) = 0h)
 
Vector operations
 
Theoremhvmulex 9156 The Hilbert space scalar product operation is a set.
|- .h e. V
 
Theoremhvaddcl 9157 Closure of vector addition.
|- ((A e. H~ /\ B e. H~) -> (A +h B) e. H~)
 
Theoremhvmulcl 9158 Closure of scalar multiplication.
|- ((A e. CC /\ B e. H~) -> (A .h B) e. H~)
 
Theoremhvmulcli 9159 Closure inference for scalar multiplication.
|- A e. CC   &   |- B e. H~   =>   |- (A .h B) e. H~
 
Theoremhvsubopr 9160 Mapping domain and codomain of vector subtraction.
|- -h :(H~ X. H~)-->H~
 
Theoremhvsubval 9161 Value of vector subtraction.
|- ((A e. H~ /\ B e. H~) -> (A -h B) = (A +h (-u1 .h B)))
 
Theoremhvsubcl 9162 Closure of vector subtraction.
|- ((A e. H~ /\ B e. H~) -> (A -h B) e. H~)
 
Theoremhvaddcli 9163 Closure of vector addition.
|- A e. H~   &   |- B e. H~   =>   |- (A +h B) e. H~
 
Theoremhvcomi 9164 Commutation of vector addition.
|- A e. H~   &   |- B e. H~   =>   |- (A +h B) = (B +h A)
 
Theoremhvsubvali 9165 Value of vector subtraction definition.
|- A e. H~   &   |- B e. H~   =>   |- (A -h B) = (A +h (-u1 .h B))
 
Theoremhvsubcli 9166 Closure of vector subtraction.
|- A e. H~   &   |- B e. H~   =>   |- (A -h B) e. H~
 
Theoremhvaddid2 9167 Addition with the zero vector.
|- (A e. H~ -> (0h +h A) = A)
 
Theoremhvmul0 9168 Scalar multiplication with the zero vector.
|- (A e. CC -> (A .h 0h) = 0h)
 
Theoremhvmul0or 9169 If a scalar product is zero, one of its factors must be zero.
|- ((A e. CC /\ B e. H~) -> ((A .h B) = 0h <-> (A = 0 \/ B = 0h)))
 
Theoremhvsubid 9170 Subtraction of a vector from itself.
|- (A e. H~ -> (A -h A) = 0h)
 
Theoremhvnegid 9171 Addition of negative of a vector to itself.
|- (A e. H~ -> (A +h (-u1 .h A)) = 0h)
 
Theoremhv2neg 9172 Two ways to express the negative of a vector.
|- (A e. H~ -> (0h -h A) = (-u1 .h A))
 
Theoremhvaddid2i 9173 Addition with the zero vector.
|- A e. H~   =>   |- (0h +h A) = A
 
Theoremhvnegidi 9174 Addition of negative of a vector to itself.
|- A e. H~   =>   |- (A +h (-u1 .h A)) = 0h
 
Theoremhv2negi 9175 Two ways to express the negative of a vector.
|- A e. H~   =>   |- (0h -h A) = (-u1 .h A)
 
Theoremhvm1neg 9176 Convert minus one times a scalar product to the negative of the scalar.
|- ((A e. CC /\ B e. H~) -> (-u1 .h (A .h B)) = (-uA .h B))
 
Theoremhvaddsubval 9177 Value of vector addition in terms of vector subtraction.
|- ((A e. H~ /\ B e. H~) -> (A +h B) = (A -h (-u1 .h B)))
 
Theoremhvadd23 9178 Commutative/associative law.
|- ((A e. H~ /\ B e. H~ /\ C e. H~) -> ((A +h B) +h C) = ((A +h C) +h B))
 
Theoremhvadd12 9179 Commutative/associative law.
|- ((A e. H~ /\ B e. H~ /\ C e. H~) -> (A +h (B +h C)) = (B +h (A +h C)))
 
Theoremhvadd4 9180 Hilbert vector space addition law.
|- (((A e. H~ /\ B e. H~) /\ (C e. H~ /\ D e. H~)) -> ((A +h B) +h (C +h D)) = ((A +h C) +h (B +h D)))
 
Theoremhvsub4 9181 Hilbert vector space addition/subtraction law.
|- (((A e. H~ /\ B e. H~) /\ (C e. H~ /\ D e. H~)) -> ((A +h B) -h (C +h D)) = ((A -h C) +h (B -h D)))
 
Theoremhvaddsub12 9182 Commutative/associative law.
|- ((A e. H~ /\ B e. H~ /\ C e. H~) -> (A +h (B -h C)) = (B +h (A -h C)))
 
Theoremhvpncan 9183 Addition/subtraction cancellation law for vectors in Hilbert space.
|- ((A e. H~ /\ B e. H~) -> ((A +h B) -h B) = A)
 
Theoremhvpncan2 9184 Addition/subtraction cancellation law for vectors in Hilbert space.
|- ((A e. H~ /\ B e. H~) -> ((A +h B) -h A) = B)
 
Theoremhvaddsubass 9185 Associativity of sum and difference of Hilbert space vectors.
|- ((A e. H~ /\ B e. H~ /\ C e. H~) -> ((A +h B) -h C) = (A +h (B -h C)))
 
Theoremhvpncan3 9186 Subtraction and addition of equal Hilbert space vectors..
|- ((A e. H~ /\ B e. H~) -> (A +h (B -h A)) = B)
 
Theoremhvmulcom 9187 Scalar multiplication commutative law.
|- ((A e. CC /\ B e. CC /\ C e. H~) -> (A .h (B .h C)) = (B .h (A .h C)))
 
Theoremhvmulassi 9188 Scalar multiplication associative law.
|- A e. CC   &   |- B e. CC   &   |- C e. H~   =>   |- ((A x. B) .h C) = (A .h (B .h C))
 
Theoremhvmulcomi 9189 Scalar multiplication commutative law.
|- A e. CC   &   |- B e. CC   &   |- C e. H~   =>   |- (A .h (B .h C)) = (B .h (A .h C))
 
Theoremhvmul2negi 9190 Double negative in scalar multiplication.
|- A e. CC   &   |- B e. CC   &   |- C e. H~   =>   |- (-uA .h (-uB .h C)) = (A .h (B .h C))
 
Theoremhvsubdistr1 9191 Scalar multiplication distributive law for subtraction.
|- ((A e. CC /\ B e. H~ /\ C e. H~) -> (A .h (B -h C)) = ((A .h B) -h (A .h C)))
 
Theoremhvsubdistr2 9192 Scalar multiplication distributive law for subtraction.
|- ((A e. CC /\ B e. CC /\ C e. H~) -> ((A - B) .h C) = ((A .h C) -h (B .h C)))
 
Theoremhvdistr1i 9193 Scalar multiplication distributive law.
|- A e. CC   &   |- B e. H~   &   |- C e. H~   =>   |- (A .h (B +h C)) = ((A .h B) +h (A .h C))
 
Theoremhvsubdistr1i 9194 Scalar multiplication distributive law.
|- A e. CC   &   |- B e. H~   &   |- C e. H~   =>   |- (A .h (B -h C)) = ((A .h B) -h (A .h C))
 
Theoremhvassi 9195 Hilbert vector space associative law.
|- A e. H~   &   |- B e. H~   &   |- C e. H~   =>   |- ((A +h B) +h C) = (A +h (B +h C))
 
Theoremhvadd23i 9196 Hilbert vector space commutative/associative law.
|- A e. H~   &   |- B e. H~   &   |- C e. H~   =>   |- ((A +h B) +h C) = ((A +h C) +h B)
 
Theoremhvsubassi 9197 Hilbert vector space associative law for subtraction.
|- A e. H~   &   |- B e. H~   &   |- C e. H~   =>   |- ((A -h B) -h C) = (A -h (B +h C))
 
Theoremhvsub23i 9198 Hilbert vector space commutative/associative law.
|- A e. H~   &   |- B e. H~   &   |- C e. H~   =>   |- ((A -h B) -h C) = ((A -h C) -h B)
 
Theoremhvadd12i 9199 Hilbert vector space commutative/associative law.
|- A e. H~   &   |- B e. H~   &   |- C e. H~   =>   |- (A +h (B +h C)) = (B +h (A +h C))
 
Theoremhvadd4i 9200 Hilbert vector space addition law.
|- A e. H~   &   |- B e. H~   &   |- C e. H~   &   |- D e. H~   =>   |- ((A +h B) +h (C +h D)) = ((A +h C) +h (B +h D))

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