HomeHome Hilbert Space Explorer < Previous   Next >
Related theorems
Unicode version

Theorem leopnmidt 9982
Description: A bounded Hermitian operator is less than or equal to its norm times the identity operator.
Assertion
Ref Expression
leopnmidt |- ((T e. HrmOp /\ (normop` T) e. RR) -> T <_op ((normop` T) .op Iop ))

Proof of Theorem leopnmidt
StepHypRef Expression
1 hmopret 9763 . . . . 5 |- ((T e. HrmOp /\ x e. H~) -> ((T` x) .ih x) e. RR)
21adantlr 393 . . . 4 |- (((T e. HrmOp /\ (normop` T) e. RR) /\ x e. H~) -> ((T` x) .ih x) e. RR)
31recnd 5287 . . . . . 6 |- ((T e. HrmOp /\ x e. H~) -> ((T` x) .ih x) e. CC)
4 absclt 6768 . . . . . 6 |- (((T` x) .ih x) e. CC -> (abs` ((T` x) .ih x)) e. RR)
53, 4syl 10 . . . . 5 |- ((T e. HrmOp /\ x e. H~) -> (abs` ((T` x) .ih x)) e. RR)
65adantlr 393 . . . 4 |- (((T e. HrmOp /\ (normop` T) e. RR) /\ x e. H~) -> (abs` ((T` x) .ih x)) e. RR)
7 hmopret 9763 . . . . . 6 |- ((((normop` T) .op Iop ) e. HrmOp /\ x e. H~) -> ((((normop` T) .op Iop )` x) .ih x) e. RR)
8 idhmop 9822 . . . . . . 7 |- Iop e. HrmOp
9 hmopmt 9861 . . . . . . 7 |- (((normop` T) e. RR /\ Iop e. HrmOp) -> ((normop` T) .op Iop ) e. HrmOp)
108, 9mpan2 694 . . . . . 6 |- ((normop` T) e. RR -> ((normop` T) .op Iop ) e. HrmOp)
117, 10sylan 448 . . . . 5 |- (((normop` T) e. RR /\ x e. H~) -> ((((normop` T) .op Iop )` x) .ih x) e. RR)
1211adantll 392 . . . 4 |- (((T e. HrmOp /\ (normop` T) e. RR) /\ x e. H~) -> ((((normop` T) .op Iop )` x) .ih x) e. RR)
13 leabst 6799 . . . . . 6 |- (((T` x) .ih x) e. RR -> ((T` x) .ih x) <_ (abs` ((T` x) .ih x)))
141, 13syl 10 . . . . 5 |- ((T e. HrmOp /\ x e. H~) -> ((T` x) .ih x) <_ (abs` ((T` x) .ih x)))
1514adantlr 393 . . . 4 |- (((T e. HrmOp /\ (normop` T) e. RR) /\ x e. H~) -> ((T` x) .ih x) <_ (abs` ((T` x) .ih x)))
16 axmulrcl 5246 . . . . . 6 |- (((normh` (T` x)) e. RR /\ (normh` x) e. RR) -> ((normh` (T` x)) x. (normh` x)) e. RR)
17 ffvelrn 3799 . . . . . . . . 9 |- ((T:H~-->H~ /\ x e. H~) -> (T` x) e. H~)
18 normclt 8912 . . . . . . . . 9 |- ((T` x) e. H~ -> (normh` (T` x)) e. RR)
1917, 18syl 10 . . . . . . . 8 |- ((T:H~-->H~ /\ x e. H~) -> (normh` (T` x)) e. RR)
20 hmopft 9718 . . . . . . . 8 |- (T e. HrmOp -> T:H~-->H~)
2119, 20sylan 448 . . . . . . 7 |- ((T e. HrmOp /\ x e. H~) -> (normh` (T` x)) e. RR)
2221adantlr 393 . . . . . 6 |- (((T e. HrmOp /\ (normop` T) e. RR) /\ x e. H~) -> (normh` (T` x)) e. RR)
23 normclt 8912 . . . . . . 7 |- (x e. H~ -> (normh` x) e. RR)
2423adantl 388 . . . . . 6 |- (((T e. HrmOp /\ (normop` T) e. RR) /\ x e. H~) -> (normh` x) e. RR)
2516, 22, 24sylanc 471 . . . . 5 |- (((T e. HrmOp /\ (normop` T) e. RR) /\ x e. H~) -> ((normh` (T` x)) x. (normh` x)) e. RR)
26 bcst 8969 . . . . . . 7 |- (((T` x) e. H~ /\ x e. H~) -> (abs` ((T` x) .ih x)) <_ ((normh` (T` x)) x. (normh` x)))
2717, 20sylan 448 . . . . . . 7 |- ((T e. HrmOp /\ x e. H~) -> (T` x) e. H~)
28 pm3.27 323 . . . . . . 7 |- ((T e. HrmOp /\ x e. H~) -> x e. H~)
2926, 27, 28sylanc 471 . . . . . 6 |- ((T e. HrmOp /\ x e. H~) -> (abs` ((T` x) .ih x)) <_ ((normh` (T` x)) x. (normh` x)))
3029adantlr 393 . . . . 5 |- (((T e. HrmOp /\ (normop` T) e. RR) /\ x e. H~) -> (abs` ((T` x) .ih x)) <_ ((normh` (T` x)) x. (normh` x)))
31 lemul1itOLD 5794 . . . . . . 7 |- ((((normh` (T` x)) e. RR /\ ((normop` T) x. (normh` x)) e. RR /\ (normh` x) e. RR) /\ (0 <_ (normh` x) /\ (normh` (T` x)) <_ ((normop` T) x. (normh` x)))) -> ((normh` (T` x)) x. (normh` x)) <_ (((normop` T) x. (normh` x)) x. (normh` x)))
32 axmulrcl 5246 . . . . . . . . 9 |- (((normop` T) e. RR /\ (normh` x) e. RR) -> ((normop` T) x. (normh` x)) e. RR)
33 pm3.27 323 . . . . . . . . 9 |- ((T e. HrmOp /\ (normop` T) e. RR) -> (normop` T) e. RR)
3432, 33, 23syl2an 454 . . . . . . . 8 |- (((T e. HrmOp /\ (normop` T) e. RR) /\ x e. H~) -> ((normop` T) x. (normh` x)) e. RR)
3522, 34, 243jca 817 . . . . . . 7 |- (((T e. HrmOp /\ (normop` T) e. RR) /\ x e. H~) -> ((normh` (T` x)) e. RR /\ ((normop` T) x. (normh` x)) e. RR /\ (normh` x) e. RR))
36 normge0t 8913 . . . . . . . . 9 |- (x e. H~ -> 0 <_ (normh` x))
3736adantl 388 . . . . . . . 8 |- (((T e. HrmOp /\ (normop` T) e. RR) /\ x e. H~) -> 0 <_ (normh` x))
38 nmbdoplbt 9865 . . . . . . . . 9 |- ((T e. BndLinOp /\ x e. H~) -> (normh` (T` x)) <_ ((normop` T) x. (normh` x)))
39 elbdop2t 9715 . . . . . . . . . . 11 |- (T e. BndLinOp <-> (T e. LinOp /\ (normop` T) e. RR))
4039biimpr 152 . . . . . . . . . 10 |- ((T e. LinOp /\ (normop` T) e. RR) -> T e. BndLinOp)
41 hmoplint 9782 . . . . . . . . . 10 |- (T e. HrmOp -> T e. LinOp)
4240, 41sylan 448 . . . . . . . . 9 |- ((T e. HrmOp /\ (normop` T) e. RR) -> T e. BndLinOp)
4338, 42sylan 448 . . . . . . . 8 |- (((T e. HrmOp /\ (normop` T) e. RR) /\ x e. H~) -> (normh` (T` x)) <_ ((normop` T) x. (normh` x)))
4437, 43jca 288 . . . . . . 7 |- (((T e. HrmOp /\ (normop` T) e. RR) /\ x e. H~) -> (0 <_ (normh` x) /\ (normh` (T` x)) <_ ((normop` T) x. (normh` x))))
4531, 35, 44sylanc 471 . . . . . 6 |- (((T e. HrmOp /\ (normop` T) e. RR) /\ x e. H~) -> ((normh` (T` x)) x. (normh` x)) <_ (((normop` T) x. (normh` x)) x. (normh` x)))
4623recnd 5287 . . . . . . . . . . . 12 |- (x e. H~ -> (normh` x) e. CC)
47 sqvalt 6540 . . . . . . . . . . . 12 |- ((normh` x) e. CC -> ((normh` x)^2) = ((normh` x) x. (normh` x)))
4846, 47syl 10 . . . . . . . . . . 11 |- (x e. H~ -> ((normh` x)^2) = ((normh` x) x. (normh` x)))
49 normsqt 8922 . . . . . . . . . . 11 |- (x e. H~ -> ((normh` x)^2) = (x .ih x))
5048, 49eqtr3d 1501 . . . . . . . . . 10 |- (x e. H~ -> ((normh` x) x. (normh` x)) = (x .ih x))
5150opreq2d 3961 . . . . . . . . 9 |- (x e. H~ -> ((normop` T) x. ((normh` x) x. (normh` x))) = ((normop` T) x. (x .ih x)))
5251adantl 388 . . . . . . . 8 |- (((T e. HrmOp /\ (normop` T) e. RR) /\ x e. H~) -> ((normop` T) x. ((normh` x) x. (normh` x))) = ((normop` T) x. (x .ih x)))
53 axmulass 5250 . . . . . . . . 9 |- (((normop` T) e. CC /\ (normh` x) e. CC /\ (normh` x) e. CC) -> (((normop` T) x. (normh` x)) x. (normh` x)) = ((normop` T) x. ((normh` x) x. (normh` x))))
54 recnt 5285 . . . . . . . . . 10 |- ((normop` T) e. RR -> (normop` T) e. CC)
5554ad2antlr 405 . . . . . . . . 9 |- (((T e. HrmOp /\ (normop` T) e. RR) /\ x e. H~) -> (normop` T) e. CC)
5624recnd 5287 . . . . . . . . 9 |- (((T e. HrmOp /\ (normop` T) e. RR) /\ x e. H~) -> (normh` x) e. CC)
5753, 55, 56, 56syl3anc 856 . . . . . . . 8 |- (((T e. HrmOp /\ (normop` T) e. RR) /\ x e. H~) -> (((normop` T) x. (normh` x)) x. (normh` x)) = ((normop` T) x. ((normh` x) x. (normh` x))))
58 ax-his3 8872 . . . . . . . . 9 |- (((normop` T) e. CC /\ x e. H~ /\ x e. H~) -> (((normop` T) .h x) .ih x) = ((normop` T) x. (x .ih x)))
59 pm3.27 323 . . . . . . . . 9 |- (((T e. HrmOp /\ (normop` T) e. RR) /\ x e. H~) -> x e. H~)
6058, 55, 59, 59syl3anc 856 . . . . . . . 8 |- (((T e. HrmOp /\ (normop` T) e. RR) /\ x e. H~) -> (((normop` T) .h x