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Type | Label | Description |
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Statement | ||
Theorem | ablodivdiv 29801 | Law for double group division. (Contributed by NM, 29-Feb-2008.) (New usage is discouraged.) |
β’ π = ran πΊ & β’ π· = ( /π βπΊ) β β’ ((πΊ β AbelOp β§ (π΄ β π β§ π΅ β π β§ πΆ β π)) β (π΄π·(π΅π·πΆ)) = ((π΄π·π΅)πΊπΆ)) | ||
Theorem | ablodivdiv4 29802 | Law for double group division. (Contributed by NM, 29-Feb-2008.) (New usage is discouraged.) |
β’ π = ran πΊ & β’ π· = ( /π βπΊ) β β’ ((πΊ β AbelOp β§ (π΄ β π β§ π΅ β π β§ πΆ β π)) β ((π΄π·π΅)π·πΆ) = (π΄π·(π΅πΊπΆ))) | ||
Theorem | ablodiv32 29803 | Swap the second and third terms in a double division. (Contributed by NM, 29-Feb-2008.) (New usage is discouraged.) |
β’ π = ran πΊ & β’ π· = ( /π βπΊ) β β’ ((πΊ β AbelOp β§ (π΄ β π β§ π΅ β π β§ πΆ β π)) β ((π΄π·π΅)π·πΆ) = ((π΄π·πΆ)π·π΅)) | ||
Theorem | ablonncan 29804 | Cancellation law for group division. (nncan 11488 analog.) (Contributed by NM, 7-Mar-2008.) (New usage is discouraged.) |
β’ π = ran πΊ & β’ π· = ( /π βπΊ) β β’ ((πΊ β AbelOp β§ π΄ β π β§ π΅ β π) β (π΄π·(π΄π·π΅)) = π΅) | ||
Theorem | ablonnncan1 29805 | Cancellation law for group division. (nnncan1 11495 analog.) (Contributed by NM, 7-Mar-2008.) (New usage is discouraged.) |
β’ π = ran πΊ & β’ π· = ( /π βπΊ) β β’ ((πΊ β AbelOp β§ (π΄ β π β§ π΅ β π β§ πΆ β π)) β ((π΄π·π΅)π·(π΄π·πΆ)) = (πΆπ·π΅)) | ||
Syntax | cvc 29806 | Extend class notation with the class of all complex vector spaces. |
class CVecOLD | ||
Definition | df-vc 29807* | Define the class of all complex vector spaces. (Contributed by NM, 3-Nov-2006.) (New usage is discouraged.) |
β’ CVecOLD = {β¨π, π β© β£ (π β AbelOp β§ π :(β Γ ran π)βΆran π β§ βπ₯ β ran π((1π π₯) = π₯ β§ βπ¦ β β (βπ§ β ran π(π¦π (π₯ππ§)) = ((π¦π π₯)π(π¦π π§)) β§ βπ§ β β (((π¦ + π§)π π₯) = ((π¦π π₯)π(π§π π₯)) β§ ((π¦ Β· π§)π π₯) = (π¦π (π§π π₯))))))} | ||
Theorem | vcrel 29808 | The class of all complex vector spaces is a relation. (Contributed by NM, 17-Mar-2007.) (New usage is discouraged.) |
β’ Rel CVecOLD | ||
Theorem | vciOLD 29809* | Obsolete version of cvsi 24645. The properties of a complex vector space, which is an Abelian group (i.e. the vectors, with the operation of vector addition) accompanied by a scalar multiplication operation on the field of complex numbers. The variable π was chosen because V is already used for the universal class. (Contributed by NM, 3-Nov-2006.) (New usage is discouraged.) (Proof modification is discouraged.) |
β’ πΊ = (1st βπ) & β’ π = (2nd βπ) & β’ π = ran πΊ β β’ (π β CVecOLD β (πΊ β AbelOp β§ π:(β Γ π)βΆπ β§ βπ₯ β π ((1ππ₯) = π₯ β§ βπ¦ β β (βπ§ β π (π¦π(π₯πΊπ§)) = ((π¦ππ₯)πΊ(π¦ππ§)) β§ βπ§ β β (((π¦ + π§)ππ₯) = ((π¦ππ₯)πΊ(π§ππ₯)) β§ ((π¦ Β· π§)ππ₯) = (π¦π(π§ππ₯))))))) | ||
Theorem | vcsm 29810 | Functionality of th scalar product of a complex vector space. (Contributed by NM, 3-Nov-2006.) (New usage is discouraged.) |
β’ πΊ = (1st βπ) & β’ π = (2nd βπ) & β’ π = ran πΊ β β’ (π β CVecOLD β π:(β Γ π)βΆπ) | ||
Theorem | vccl 29811 | Closure of the scalar product of a complex vector space. (Contributed by NM, 3-Nov-2006.) (New usage is discouraged.) |
β’ πΊ = (1st βπ) & β’ π = (2nd βπ) & β’ π = ran πΊ β β’ ((π β CVecOLD β§ π΄ β β β§ π΅ β π) β (π΄ππ΅) β π) | ||
Theorem | vcidOLD 29812 | Identity element for the scalar product of a complex vector space. (Contributed by NM, 3-Nov-2006.) Obsolete theorem, use clmvs1 24608 together with cvsclm 24641 instead. (New usage is discouraged.) (Proof modification is discouraged.) |
β’ πΊ = (1st βπ) & β’ π = (2nd βπ) & β’ π = ran πΊ β β’ ((π β CVecOLD β§ π΄ β π) β (1ππ΄) = π΄) | ||
Theorem | vcdi 29813 | Distributive law for the scalar product of a complex vector space. (Contributed by NM, 3-Nov-2006.) (New usage is discouraged.) |
β’ πΊ = (1st βπ) & β’ π = (2nd βπ) & β’ π = ran πΊ β β’ ((π β CVecOLD β§ (π΄ β β β§ π΅ β π β§ πΆ β π)) β (π΄π(π΅πΊπΆ)) = ((π΄ππ΅)πΊ(π΄ππΆ))) | ||
Theorem | vcdir 29814 | Distributive law for the scalar product of a complex vector space. (Contributed by NM, 3-Nov-2006.) (New usage is discouraged.) |
β’ πΊ = (1st βπ) & β’ π = (2nd βπ) & β’ π = ran πΊ β β’ ((π β CVecOLD β§ (π΄ β β β§ π΅ β β β§ πΆ β π)) β ((π΄ + π΅)ππΆ) = ((π΄ππΆ)πΊ(π΅ππΆ))) | ||
Theorem | vcass 29815 | Associative law for the scalar product of a complex vector space. (Contributed by NM, 3-Nov-2006.) (New usage is discouraged.) |
β’ πΊ = (1st βπ) & β’ π = (2nd βπ) & β’ π = ran πΊ β β’ ((π β CVecOLD β§ (π΄ β β β§ π΅ β β β§ πΆ β π)) β ((π΄ Β· π΅)ππΆ) = (π΄π(π΅ππΆ))) | ||
Theorem | vc2OLD 29816 | A vector plus itself is two times the vector. (Contributed by NM, 1-Feb-2007.) Obsolete theorem, use clmvs2 24609 together with cvsclm 24641 instead. (New usage is discouraged.) (Proof modification is discouraged.) |
β’ πΊ = (1st βπ) & β’ π = (2nd βπ) & β’ π = ran πΊ β β’ ((π β CVecOLD β§ π΄ β π) β (π΄πΊπ΄) = (2ππ΄)) | ||
Theorem | vcablo 29817 | Vector addition is an Abelian group operation. (Contributed by NM, 3-Nov-2006.) (New usage is discouraged.) |
β’ πΊ = (1st βπ) β β’ (π β CVecOLD β πΊ β AbelOp) | ||
Theorem | vcgrp 29818 | Vector addition is a group operation. (Contributed by NM, 4-Nov-2006.) (New usage is discouraged.) |
β’ πΊ = (1st βπ) β β’ (π β CVecOLD β πΊ β GrpOp) | ||
Theorem | vclcan 29819 | Left cancellation law for vector addition. (Contributed by NM, 4-Nov-2006.) (New usage is discouraged.) |
β’ πΊ = (1st βπ) & β’ π = ran πΊ β β’ ((π β CVecOLD β§ (π΄ β π β§ π΅ β π β§ πΆ β π)) β ((πΆπΊπ΄) = (πΆπΊπ΅) β π΄ = π΅)) | ||
Theorem | vczcl 29820 | The zero vector is a vector. (Contributed by NM, 4-Nov-2006.) (New usage is discouraged.) |
β’ πΊ = (1st βπ) & β’ π = ran πΊ & β’ π = (GIdβπΊ) β β’ (π β CVecOLD β π β π) | ||
Theorem | vc0rid 29821 | The zero vector is a right identity element. (Contributed by NM, 4-Nov-2006.) (New usage is discouraged.) |
β’ πΊ = (1st βπ) & β’ π = ran πΊ & β’ π = (GIdβπΊ) β β’ ((π β CVecOLD β§ π΄ β π) β (π΄πΊπ) = π΄) | ||
Theorem | vc0 29822 | Zero times a vector is the zero vector. Equation 1a of [Kreyszig] p. 51. (Contributed by NM, 4-Nov-2006.) (New usage is discouraged.) |
β’ πΊ = (1st βπ) & β’ π = (2nd βπ) & β’ π = ran πΊ & β’ π = (GIdβπΊ) β β’ ((π β CVecOLD β§ π΄ β π) β (0ππ΄) = π) | ||
Theorem | vcz 29823 | Anything times the zero vector is the zero vector. Equation 1b of [Kreyszig] p. 51. (Contributed by NM, 24-Nov-2006.) (New usage is discouraged.) |
β’ πΊ = (1st βπ) & β’ π = (2nd βπ) & β’ π = ran πΊ & β’ π = (GIdβπΊ) β β’ ((π β CVecOLD β§ π΄ β β) β (π΄ππ) = π) | ||
Theorem | vcm 29824 | Minus 1 times a vector is the underlying group's inverse element. Equation 2 of [Kreyszig] p. 51. (Contributed by NM, 25-Nov-2006.) (New usage is discouraged.) |
β’ πΊ = (1st βπ) & β’ π = (2nd βπ) & β’ π = ran πΊ & β’ π = (invβπΊ) β β’ ((π β CVecOLD β§ π΄ β π) β (-1ππ΄) = (πβπ΄)) | ||
Theorem | isvclem 29825* | Lemma for isvcOLD 29827. (Contributed by NM, 31-May-2008.) (New usage is discouraged.) |
β’ π = ran πΊ β β’ ((πΊ β V β§ π β V) β (β¨πΊ, πβ© β CVecOLD β (πΊ β AbelOp β§ π:(β Γ π)βΆπ β§ βπ₯ β π ((1ππ₯) = π₯ β§ βπ¦ β β (βπ§ β π (π¦π(π₯πΊπ§)) = ((π¦ππ₯)πΊ(π¦ππ§)) β§ βπ§ β β (((π¦ + π§)ππ₯) = ((π¦ππ₯)πΊ(π§ππ₯)) β§ ((π¦ Β· π§)ππ₯) = (π¦π(π§ππ₯)))))))) | ||
Theorem | vcex 29826 | The components of a complex vector space are sets. (Contributed by NM, 31-May-2008.) (New usage is discouraged.) |
β’ (β¨πΊ, πβ© β CVecOLD β (πΊ β V β§ π β V)) | ||
Theorem | isvcOLD 29827* | The predicate "is a complex vector space." (Contributed by NM, 31-May-2008.) Obsolete version of iscvsp 24643. (New usage is discouraged.) (Proof modification is discouraged.) |
β’ π = ran πΊ β β’ (β¨πΊ, πβ© β CVecOLD β (πΊ β AbelOp β§ π:(β Γ π)βΆπ β§ βπ₯ β π ((1ππ₯) = π₯ β§ βπ¦ β β (βπ§ β π (π¦π(π₯πΊπ§)) = ((π¦ππ₯)πΊ(π¦ππ§)) β§ βπ§ β β (((π¦ + π§)ππ₯) = ((π¦ππ₯)πΊ(π§ππ₯)) β§ ((π¦ Β· π§)ππ₯) = (π¦π(π§ππ₯))))))) | ||
Theorem | isvciOLD 29828* | Properties that determine a complex vector space. (Contributed by NM, 5-Nov-2006.) Obsolete version of iscvsi 24644. (New usage is discouraged.) (Proof modification is discouraged.) |
β’ πΊ β AbelOp & β’ dom πΊ = (π Γ π) & β’ π:(β Γ π)βΆπ & β’ (π₯ β π β (1ππ₯) = π₯) & β’ ((π¦ β β β§ π₯ β π β§ π§ β π) β (π¦π(π₯πΊπ§)) = ((π¦ππ₯)πΊ(π¦ππ§))) & β’ ((π¦ β β β§ π§ β β β§ π₯ β π) β ((π¦ + π§)ππ₯) = ((π¦ππ₯)πΊ(π§ππ₯))) & β’ ((π¦ β β β§ π§ β β β§ π₯ β π) β ((π¦ Β· π§)ππ₯) = (π¦π(π§ππ₯))) & β’ π = β¨πΊ, πβ© β β’ π β CVecOLD | ||
Theorem | cnaddabloOLD 29829 | Obsolete version of cnaddabl 19736. Complex number addition is an Abelian group operation. (Contributed by NM, 5-Nov-2006.) (New usage is discouraged.) (Proof modification is discouraged.) |
β’ + β AbelOp | ||
Theorem | cnidOLD 29830 | Obsolete version of cnaddid 19737. The group identity element of complex number addition is zero. (Contributed by Steve Rodriguez, 3-Dec-2006.) (Revised by Mario Carneiro, 21-Dec-2013.) (New usage is discouraged.) (Proof modification is discouraged.) |
β’ 0 = (GIdβ + ) | ||
Theorem | cncvcOLD 29831 | Obsolete version of cncvs 24660. The set of complex numbers is a complex vector space. The vector operation is +, and the scalar product is Β·. (Contributed by NM, 5-Nov-2006.) (New usage is discouraged.) (Proof modification is discouraged.) |
β’ β¨ + , Β· β© β CVecOLD | ||
Syntax | cnv 29832 | Extend class notation with the class of all normed complex vector spaces. |
class NrmCVec | ||
Syntax | cpv 29833 | Extend class notation with vector addition in a normed complex vector space. In the literature, the subscript "v" is omitted, but we need it to avoid ambiguity with complex number addition + caddc 11112. |
class +π£ | ||
Syntax | cba 29834 | Extend class notation with the base set of a normed complex vector space. (Note that BaseSet is capitalized because, once it is fixed for a particular vector space π, it is not a function, unlike e.g., normCV. This is our typical convention.) (New usage is discouraged.) |
class BaseSet | ||
Syntax | cns 29835 | Extend class notation with scalar multiplication in a normed complex vector space. In the literature scalar multiplication is usually indicated by juxtaposition, but we need an explicit symbol to prevent ambiguity. |
class Β·π OLD | ||
Syntax | cn0v 29836 | Extend class notation with zero vector in a normed complex vector space. |
class 0vec | ||
Syntax | cnsb 29837 | Extend class notation with vector subtraction in a normed complex vector space. |
class βπ£ | ||
Syntax | cnmcv 29838 | Extend class notation with the norm function in a normed complex vector space. In the literature, the norm of π΄ is usually written "|| π΄ ||", but we use function notation to take advantage of our existing theorems about functions. |
class normCV | ||
Syntax | cims 29839 | Extend class notation with the class of the induced metrics on normed complex vector spaces. |
class IndMet | ||
Definition | df-nv 29840* | Define the class of all normed complex vector spaces. (Contributed by NM, 11-Nov-2006.) (New usage is discouraged.) |
β’ NrmCVec = {β¨β¨π, π β©, πβ© β£ (β¨π, π β© β CVecOLD β§ π:ran πβΆβ β§ βπ₯ β ran π(((πβπ₯) = 0 β π₯ = (GIdβπ)) β§ βπ¦ β β (πβ(π¦π π₯)) = ((absβπ¦) Β· (πβπ₯)) β§ βπ¦ β ran π(πβ(π₯ππ¦)) β€ ((πβπ₯) + (πβπ¦))))} | ||
Theorem | nvss 29841 | Structure of the class of all normed complex vectors spaces. (Contributed by NM, 28-Nov-2006.) (Revised by Mario Carneiro, 1-May-2015.) (New usage is discouraged.) |
β’ NrmCVec β (CVecOLD Γ V) | ||
Theorem | nvvcop 29842 | A normed complex vector space is a vector space. (Contributed by NM, 5-Jun-2008.) (Revised by Mario Carneiro, 1-May-2015.) (New usage is discouraged.) |
β’ (β¨π, πβ© β NrmCVec β π β CVecOLD) | ||
Definition | df-va 29843 | Define vector addition on a normed complex vector space. (Contributed by NM, 23-Apr-2007.) (New usage is discouraged.) |
β’ +π£ = (1st β 1st ) | ||
Definition | df-ba 29844 | Define the base set of a normed complex vector space. (Contributed by NM, 23-Apr-2007.) (New usage is discouraged.) |
β’ BaseSet = (π₯ β V β¦ ran ( +π£ βπ₯)) | ||
Definition | df-sm 29845 | Define scalar multiplication on a normed complex vector space. (Contributed by NM, 24-Apr-2007.) (New usage is discouraged.) |
β’ Β·π OLD = (2nd β 1st ) | ||
Definition | df-0v 29846 | Define the zero vector in a normed complex vector space. (Contributed by NM, 24-Apr-2007.) (New usage is discouraged.) |
β’ 0vec = (GId β +π£ ) | ||
Definition | df-vs 29847 | Define vector subtraction on a normed complex vector space. (Contributed by NM, 15-Feb-2008.) (New usage is discouraged.) |
β’ βπ£ = ( /π β +π£ ) | ||
Definition | df-nmcv 29848 | Define the norm function in a normed complex vector space. (Contributed by NM, 25-Apr-2007.) (New usage is discouraged.) |
β’ normCV = 2nd | ||
Definition | df-ims 29849 | Define the induced metric on a normed complex vector space. (Contributed by NM, 11-Sep-2007.) (New usage is discouraged.) |
β’ IndMet = (π’ β NrmCVec β¦ ((normCVβπ’) β ( βπ£ βπ’))) | ||
Theorem | nvrel 29850 | The class of all normed complex vectors spaces is a relation. (Contributed by NM, 14-Nov-2006.) (New usage is discouraged.) |
β’ Rel NrmCVec | ||
Theorem | vafval 29851 | Value of the function for the vector addition (group) operation on a normed complex vector space. (Contributed by NM, 23-Apr-2007.) (New usage is discouraged.) |
β’ πΊ = ( +π£ βπ) β β’ πΊ = (1st β(1st βπ)) | ||
Theorem | bafval 29852 | Value of the function for the base set of a normed complex vector space. (Contributed by NM, 23-Apr-2007.) (Revised by Mario Carneiro, 16-Nov-2013.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ πΊ = ( +π£ βπ) β β’ π = ran πΊ | ||
Theorem | smfval 29853 | Value of the function for the scalar multiplication operation on a normed complex vector space. (Contributed by NM, 24-Apr-2007.) (New usage is discouraged.) |
β’ π = ( Β·π OLD βπ) β β’ π = (2nd β(1st βπ)) | ||
Theorem | 0vfval 29854 | Value of the function for the zero vector on a normed complex vector space. (Contributed by NM, 24-Apr-2007.) (Revised by Mario Carneiro, 21-Dec-2013.) (New usage is discouraged.) |
β’ πΊ = ( +π£ βπ) & β’ π = (0vecβπ) β β’ (π β π β π = (GIdβπΊ)) | ||
Theorem | nmcvfval 29855 | Value of the norm function in a normed complex vector space. (Contributed by NM, 25-Apr-2007.) (New usage is discouraged.) |
β’ π = (normCVβπ) β β’ π = (2nd βπ) | ||
Theorem | nvop2 29856 | A normed complex vector space is an ordered pair of a vector space and a norm operation. (Contributed by NM, 28-Nov-2006.) (New usage is discouraged.) |
β’ π = (1st βπ) & β’ π = (normCVβπ) β β’ (π β NrmCVec β π = β¨π, πβ©) | ||
Theorem | nvvop 29857 | The vector space component of a normed complex vector space is an ordered pair of the underlying group and a scalar product. (Contributed by NM, 28-Nov-2006.) (New usage is discouraged.) |
β’ π = (1st βπ) & β’ πΊ = ( +π£ βπ) & β’ π = ( Β·π OLD βπ) β β’ (π β NrmCVec β π = β¨πΊ, πβ©) | ||
Theorem | isnvlem 29858* | Lemma for isnv 29860. (Contributed by NM, 11-Nov-2006.) (New usage is discouraged.) |
β’ π = ran πΊ & β’ π = (GIdβπΊ) β β’ ((πΊ β V β§ π β V β§ π β V) β (β¨β¨πΊ, πβ©, πβ© β NrmCVec β (β¨πΊ, πβ© β CVecOLD β§ π:πβΆβ β§ βπ₯ β π (((πβπ₯) = 0 β π₯ = π) β§ βπ¦ β β (πβ(π¦ππ₯)) = ((absβπ¦) Β· (πβπ₯)) β§ βπ¦ β π (πβ(π₯πΊπ¦)) β€ ((πβπ₯) + (πβπ¦)))))) | ||
Theorem | nvex 29859 | The components of a normed complex vector space are sets. (Contributed by NM, 5-Jun-2008.) (Revised by Mario Carneiro, 1-May-2015.) (New usage is discouraged.) |
β’ (β¨β¨πΊ, πβ©, πβ© β NrmCVec β (πΊ β V β§ π β V β§ π β V)) | ||
Theorem | isnv 29860* | The predicate "is a normed complex vector space." (Contributed by NM, 5-Jun-2008.) (New usage is discouraged.) |
β’ π = ran πΊ & β’ π = (GIdβπΊ) β β’ (β¨β¨πΊ, πβ©, πβ© β NrmCVec β (β¨πΊ, πβ© β CVecOLD β§ π:πβΆβ β§ βπ₯ β π (((πβπ₯) = 0 β π₯ = π) β§ βπ¦ β β (πβ(π¦ππ₯)) = ((absβπ¦) Β· (πβπ₯)) β§ βπ¦ β π (πβ(π₯πΊπ¦)) β€ ((πβπ₯) + (πβπ¦))))) | ||
Theorem | isnvi 29861* | Properties that determine a normed complex vector space. (Contributed by NM, 15-Apr-2007.) (New usage is discouraged.) |
β’ π = ran πΊ & β’ π = (GIdβπΊ) & β’ β¨πΊ, πβ© β CVecOLD & β’ π:πβΆβ & β’ ((π₯ β π β§ (πβπ₯) = 0) β π₯ = π) & β’ ((π¦ β β β§ π₯ β π) β (πβ(π¦ππ₯)) = ((absβπ¦) Β· (πβπ₯))) & β’ ((π₯ β π β§ π¦ β π) β (πβ(π₯πΊπ¦)) β€ ((πβπ₯) + (πβπ¦))) & β’ π = β¨β¨πΊ, πβ©, πβ© β β’ π β NrmCVec | ||
Theorem | nvi 29862* | The properties of a normed complex vector space, which is a vector space accompanied by a norm. (Contributed by NM, 11-Nov-2006.) (Revised by Mario Carneiro, 21-Dec-2013.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ πΊ = ( +π£ βπ) & β’ π = ( Β·π OLD βπ) & β’ π = (0vecβπ) & β’ π = (normCVβπ) β β’ (π β NrmCVec β (β¨πΊ, πβ© β CVecOLD β§ π:πβΆβ β§ βπ₯ β π (((πβπ₯) = 0 β π₯ = π) β§ βπ¦ β β (πβ(π¦ππ₯)) = ((absβπ¦) Β· (πβπ₯)) β§ βπ¦ β π (πβ(π₯πΊπ¦)) β€ ((πβπ₯) + (πβπ¦))))) | ||
Theorem | nvvc 29863 | The vector space component of a normed complex vector space. (Contributed by NM, 28-Nov-2006.) (Revised by Mario Carneiro, 21-Dec-2013.) (New usage is discouraged.) |
β’ π = (1st βπ) β β’ (π β NrmCVec β π β CVecOLD) | ||
Theorem | nvablo 29864 | The vector addition operation of a normed complex vector space is an Abelian group. (Contributed by NM, 15-Feb-2008.) (New usage is discouraged.) |
β’ πΊ = ( +π£ βπ) β β’ (π β NrmCVec β πΊ β AbelOp) | ||
Theorem | nvgrp 29865 | The vector addition operation of a normed complex vector space is a group. (Contributed by NM, 15-Feb-2008.) (New usage is discouraged.) |
β’ πΊ = ( +π£ βπ) β β’ (π β NrmCVec β πΊ β GrpOp) | ||
Theorem | nvgf 29866 | Mapping for the vector addition operation. (Contributed by NM, 28-Jan-2008.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ πΊ = ( +π£ βπ) β β’ (π β NrmCVec β πΊ:(π Γ π)βΆπ) | ||
Theorem | nvsf 29867 | Mapping for the scalar multiplication operation. (Contributed by NM, 28-Jan-2008.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ π = ( Β·π OLD βπ) β β’ (π β NrmCVec β π:(β Γ π)βΆπ) | ||
Theorem | nvgcl 29868 | Closure law for the vector addition (group) operation of a normed complex vector space. (Contributed by NM, 23-Apr-2007.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ πΊ = ( +π£ βπ) β β’ ((π β NrmCVec β§ π΄ β π β§ π΅ β π) β (π΄πΊπ΅) β π) | ||
Theorem | nvcom 29869 | The vector addition (group) operation is commutative. (Contributed by NM, 4-Dec-2007.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ πΊ = ( +π£ βπ) β β’ ((π β NrmCVec β§ π΄ β π β§ π΅ β π) β (π΄πΊπ΅) = (π΅πΊπ΄)) | ||
Theorem | nvass 29870 | The vector addition (group) operation is associative. (Contributed by NM, 4-Dec-2007.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ πΊ = ( +π£ βπ) β β’ ((π β NrmCVec β§ (π΄ β π β§ π΅ β π β§ πΆ β π)) β ((π΄πΊπ΅)πΊπΆ) = (π΄πΊ(π΅πΊπΆ))) | ||
Theorem | nvadd32 29871 | Commutative/associative law for vector addition. (Contributed by NM, 27-Dec-2007.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ πΊ = ( +π£ βπ) β β’ ((π β NrmCVec β§ (π΄ β π β§ π΅ β π β§ πΆ β π)) β ((π΄πΊπ΅)πΊπΆ) = ((π΄πΊπΆ)πΊπ΅)) | ||
Theorem | nvrcan 29872 | Right cancellation law for vector addition. (Contributed by NM, 4-Dec-2007.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ πΊ = ( +π£ βπ) β β’ ((π β NrmCVec β§ (π΄ β π β§ π΅ β π β§ πΆ β π)) β ((π΄πΊπΆ) = (π΅πΊπΆ) β π΄ = π΅)) | ||
Theorem | nvadd4 29873 | Rearrangement of 4 terms in a vector sum. (Contributed by NM, 8-Feb-2008.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ πΊ = ( +π£ βπ) β β’ ((π β NrmCVec β§ (π΄ β π β§ π΅ β π) β§ (πΆ β π β§ π· β π)) β ((π΄πΊπ΅)πΊ(πΆπΊπ·)) = ((π΄πΊπΆ)πΊ(π΅πΊπ·))) | ||
Theorem | nvscl 29874 | Closure law for the scalar product operation of a normed complex vector space. (Contributed by NM, 1-Feb-2007.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ π = ( Β·π OLD βπ) β β’ ((π β NrmCVec β§ π΄ β β β§ π΅ β π) β (π΄ππ΅) β π) | ||
Theorem | nvsid 29875 | Identity element for the scalar product of a normed complex vector space. (Contributed by NM, 4-Dec-2007.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ π = ( Β·π OLD βπ) β β’ ((π β NrmCVec β§ π΄ β π) β (1ππ΄) = π΄) | ||
Theorem | nvsass 29876 | Associative law for the scalar product of a normed complex vector space. (Contributed by NM, 17-Nov-2007.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ π = ( Β·π OLD βπ) β β’ ((π β NrmCVec β§ (π΄ β β β§ π΅ β β β§ πΆ β π)) β ((π΄ Β· π΅)ππΆ) = (π΄π(π΅ππΆ))) | ||
Theorem | nvscom 29877 | Commutative law for the scalar product of a normed complex vector space. (Contributed by NM, 14-Feb-2008.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ π = ( Β·π OLD βπ) β β’ ((π β NrmCVec β§ (π΄ β β β§ π΅ β β β§ πΆ β π)) β (π΄π(π΅ππΆ)) = (π΅π(π΄ππΆ))) | ||
Theorem | nvdi 29878 | Distributive law for the scalar product of a complex vector space. (Contributed by NM, 4-Dec-2007.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ πΊ = ( +π£ βπ) & β’ π = ( Β·π OLD βπ) β β’ ((π β NrmCVec β§ (π΄ β β β§ π΅ β π β§ πΆ β π)) β (π΄π(π΅πΊπΆ)) = ((π΄ππ΅)πΊ(π΄ππΆ))) | ||
Theorem | nvdir 29879 | Distributive law for the scalar product of a complex vector space. (Contributed by NM, 4-Dec-2007.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ πΊ = ( +π£ βπ) & β’ π = ( Β·π OLD βπ) β β’ ((π β NrmCVec β§ (π΄ β β β§ π΅ β β β§ πΆ β π)) β ((π΄ + π΅)ππΆ) = ((π΄ππΆ)πΊ(π΅ππΆ))) | ||
Theorem | nv2 29880 | A vector plus itself is two times the vector. (Contributed by NM, 9-Feb-2008.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ πΊ = ( +π£ βπ) & β’ π = ( Β·π OLD βπ) β β’ ((π β NrmCVec β§ π΄ β π) β (π΄πΊπ΄) = (2ππ΄)) | ||
Theorem | vsfval 29881 | Value of the function for the vector subtraction operation on a normed complex vector space. (Contributed by NM, 15-Feb-2008.) (Revised by Mario Carneiro, 27-Dec-2014.) (New usage is discouraged.) |
β’ πΊ = ( +π£ βπ) & β’ π = ( βπ£ βπ) β β’ π = ( /π βπΊ) | ||
Theorem | nvzcl 29882 | Closure law for the zero vector of a normed complex vector space. (Contributed by NM, 27-Nov-2007.) (Revised by Mario Carneiro, 21-Dec-2013.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ π = (0vecβπ) β β’ (π β NrmCVec β π β π) | ||
Theorem | nv0rid 29883 | The zero vector is a right identity element. (Contributed by NM, 28-Nov-2007.) (Revised by Mario Carneiro, 21-Dec-2013.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ πΊ = ( +π£ βπ) & β’ π = (0vecβπ) β β’ ((π β NrmCVec β§ π΄ β π) β (π΄πΊπ) = π΄) | ||
Theorem | nv0lid 29884 | The zero vector is a left identity element. (Contributed by NM, 28-Nov-2007.) (Revised by Mario Carneiro, 21-Dec-2013.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ πΊ = ( +π£ βπ) & β’ π = (0vecβπ) β β’ ((π β NrmCVec β§ π΄ β π) β (ππΊπ΄) = π΄) | ||
Theorem | nv0 29885 | Zero times a vector is the zero vector. (Contributed by NM, 27-Nov-2007.) (Revised by Mario Carneiro, 21-Dec-2013.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ π = ( Β·π OLD βπ) & β’ π = (0vecβπ) β β’ ((π β NrmCVec β§ π΄ β π) β (0ππ΄) = π) | ||
Theorem | nvsz 29886 | Anything times the zero vector is the zero vector. (Contributed by NM, 28-Nov-2007.) (Revised by Mario Carneiro, 21-Dec-2013.) (New usage is discouraged.) |
β’ π = ( Β·π OLD βπ) & β’ π = (0vecβπ) β β’ ((π β NrmCVec β§ π΄ β β) β (π΄ππ) = π) | ||
Theorem | nvinv 29887 | Minus 1 times a vector is the underlying group's inverse element. Equation 2 of [Kreyszig] p. 51. (Contributed by NM, 15-Feb-2008.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ πΊ = ( +π£ βπ) & β’ π = ( Β·π OLD βπ) & β’ π = (invβπΊ) β β’ ((π β NrmCVec β§ π΄ β π) β (-1ππ΄) = (πβπ΄)) | ||
Theorem | nvinvfval 29888 | Function for the negative of a vector on a normed complex vector space, in terms of the underlying addition group inverse. (We currently do not have a separate notation for the negative of a vector.) (Contributed by NM, 27-Mar-2008.) (New usage is discouraged.) |
β’ πΊ = ( +π£ βπ) & β’ π = ( Β·π OLD βπ) & β’ π = (π β β‘(2nd βΎ ({-1} Γ V))) β β’ (π β NrmCVec β π = (invβπΊ)) | ||
Theorem | nvm 29889 | Vector subtraction in terms of group division operation. (Contributed by NM, 15-Feb-2008.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ πΊ = ( +π£ βπ) & β’ π = ( βπ£ βπ) & β’ π = ( /π βπΊ) β β’ ((π β NrmCVec β§ π΄ β π β§ π΅ β π) β (π΄ππ΅) = (π΄ππ΅)) | ||
Theorem | nvmval 29890 | Value of vector subtraction on a normed complex vector space. (Contributed by NM, 11-Sep-2007.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ πΊ = ( +π£ βπ) & β’ π = ( Β·π OLD βπ) & β’ π = ( βπ£ βπ) β β’ ((π β NrmCVec β§ π΄ β π β§ π΅ β π) β (π΄ππ΅) = (π΄πΊ(-1ππ΅))) | ||
Theorem | nvmval2 29891 | Value of vector subtraction on a normed complex vector space. (Contributed by Mario Carneiro, 19-Nov-2013.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ πΊ = ( +π£ βπ) & β’ π = ( Β·π OLD βπ) & β’ π = ( βπ£ βπ) β β’ ((π β NrmCVec β§ π΄ β π β§ π΅ β π) β (π΄ππ΅) = ((-1ππ΅)πΊπ΄)) | ||
Theorem | nvmfval 29892* | Value of the function for the vector subtraction operation on a normed complex vector space. (Contributed by NM, 11-Sep-2007.) (Revised by Mario Carneiro, 23-Dec-2013.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ πΊ = ( +π£ βπ) & β’ π = ( Β·π OLD βπ) & β’ π = ( βπ£ βπ) β β’ (π β NrmCVec β π = (π₯ β π, π¦ β π β¦ (π₯πΊ(-1ππ¦)))) | ||
Theorem | nvmf 29893 | Mapping for the vector subtraction operation. (Contributed by NM, 11-Sep-2007.) (Revised by Mario Carneiro, 23-Dec-2013.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ π = ( βπ£ βπ) β β’ (π β NrmCVec β π:(π Γ π)βΆπ) | ||
Theorem | nvmcl 29894 | Closure law for the vector subtraction operation of a normed complex vector space. (Contributed by NM, 11-Sep-2007.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ π = ( βπ£ βπ) β β’ ((π β NrmCVec β§ π΄ β π β§ π΅ β π) β (π΄ππ΅) β π) | ||
Theorem | nvnnncan1 29895 | Cancellation law for vector subtraction. (nnncan1 11495 analog.) (Contributed by NM, 7-Mar-2008.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ π = ( βπ£ βπ) β β’ ((π β NrmCVec β§ (π΄ β π β§ π΅ β π β§ πΆ β π)) β ((π΄ππ΅)π(π΄ππΆ)) = (πΆππ΅)) | ||
Theorem | nvmdi 29896 | Distributive law for scalar product over subtraction. (Contributed by NM, 14-Feb-2008.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ π = ( βπ£ βπ) & β’ π = ( Β·π OLD βπ) β β’ ((π β NrmCVec β§ (π΄ β β β§ π΅ β π β§ πΆ β π)) β (π΄π(π΅ππΆ)) = ((π΄ππ΅)π(π΄ππΆ))) | ||
Theorem | nvnegneg 29897 | Double negative of a vector. (Contributed by NM, 4-Dec-2007.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ π = ( Β·π OLD βπ) β β’ ((π β NrmCVec β§ π΄ β π) β (-1π(-1ππ΄)) = π΄) | ||
Theorem | nvmul0or 29898 | If a scalar product is zero, one of its factors must be zero. (Contributed by NM, 6-Dec-2007.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ π = ( Β·π OLD βπ) & β’ π = (0vecβπ) β β’ ((π β NrmCVec β§ π΄ β β β§ π΅ β π) β ((π΄ππ΅) = π β (π΄ = 0 β¨ π΅ = π))) | ||
Theorem | nvrinv 29899 | A vector minus itself. (Contributed by NM, 4-Dec-2007.) (Revised by Mario Carneiro, 21-Dec-2013.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ πΊ = ( +π£ βπ) & β’ π = ( Β·π OLD βπ) & β’ π = (0vecβπ) β β’ ((π β NrmCVec β§ π΄ β π) β (π΄πΊ(-1ππ΄)) = π) | ||
Theorem | nvlinv 29900 | Minus a vector plus itself. (Contributed by NM, 4-Dec-2007.) (Revised by Mario Carneiro, 21-Dec-2013.) (New usage is discouraged.) |
β’ π = (BaseSetβπ) & β’ πΊ = ( +π£ βπ) & β’ π = ( Β·π OLD βπ) & β’ π = (0vecβπ) β β’ ((π β NrmCVec β§ π΄ β π) β ((-1ππ΄)πΊπ΄) = π) |
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