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Theorem nvcl 22101
Description: The norm of a normed complex vector space is a real number. (Contributed by NM, 24-Nov-2006.) (New usage is discouraged.)
Hypotheses
Ref Expression
nvf.1  |-  X  =  ( BaseSet `  U )
nvf.6  |-  N  =  ( normCV `  U )
Assertion
Ref Expression
nvcl  |-  ( ( U  e.  NrmCVec  /\  A  e.  X )  ->  ( N `  A )  e.  RR )

Proof of Theorem nvcl
StepHypRef Expression
1 nvf.1 . . 3  |-  X  =  ( BaseSet `  U )
2 nvf.6 . . 3  |-  N  =  ( normCV `  U )
31, 2nvf 22100 . 2  |-  ( U  e.  NrmCVec  ->  N : X --> RR )
43ffvelrnda 5829 1  |-  ( ( U  e.  NrmCVec  /\  A  e.  X )  ->  ( N `  A )  e.  RR )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 359    = wceq 1649    e. wcel 1721   ` cfv 5413   RRcr 8945   NrmCVeccnv 22016   BaseSetcba 22018   normCVcnmcv 22022
This theorem is referenced by:  nvcli  22102  nvm1  22106  nvpi  22108  nvz0  22110  nvmtri  22113  nvabs  22115  nvge0  22116  nvgt0  22117  nv1  22118  nmcvcn  22144  smcnlem  22146  ipval2lem2  22153  4ipval2  22157  ipval2lem5  22159  ipidsq  22162  ipnm  22163  ipz  22171  nmosetre  22218  nmooge0  22221  nmoub3i  22227  nmounbi  22230  nmlno0lem  22247  nmblolbii  22253  blocnilem  22258  ipblnfi  22310  ubthlem1  22325  ubthlem2  22326  ubthlem3  22327  minvecolem1  22329  minvecolem2  22330  minvecolem4  22335  minvecolem5  22336  minvecolem6  22337  hlipgt0  22369  htthlem  22373
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1552  ax-5 1563  ax-17 1623  ax-9 1662  ax-8 1683  ax-13 1723  ax-14 1725  ax-6 1740  ax-7 1745  ax-11 1757  ax-12 1946  ax-ext 2385  ax-rep 4280  ax-sep 4290  ax-nul 4298  ax-pow 4337  ax-pr 4363  ax-un 4660
This theorem depends on definitions:  df-bi 178  df-or 360  df-an 361  df-3an 938  df-tru 1325  df-ex 1548  df-nf 1551  df-sb 1656  df-eu 2258  df-mo 2259  df-clab 2391  df-cleq 2397  df-clel 2400  df-nfc 2529  df-ne 2569  df-ral 2671  df-rex 2672  df-reu 2673  df-rab 2675  df-v 2918  df-sbc 3122  df-csb 3212  df-dif 3283  df-un 3285  df-in 3287  df-ss 3294  df-nul 3589  df-if 3700  df-sn 3780  df-pr 3781  df-op 3783  df-uni 3976  df-iun 4055  df-br 4173  df-opab 4227  df-mpt 4228  df-id 4458  df-xp 4843  df-rel 4844  df-cnv 4845  df-co 4846  df-dm 4847  df-rn 4848  df-res 4849  df-ima 4850  df-iota 5377  df-fun 5415  df-fn 5416  df-f 5417  df-f1 5418  df-fo 5419  df-f1o 5420  df-fv 5421  df-ov 6043  df-oprab 6044  df-1st 6308  df-2nd 6309  df-vc 21978  df-nv 22024  df-va 22027  df-ba 22028  df-sm 22029  df-0v 22030  df-nmcv 22032
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