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Theorem lspsnel3 14602
Description: A member of the span of the singleton of a vector is a member of a subspace containing the vector. (Contributed by NM, 4-Jul-2014.)
Hypotheses
Ref Expression
lspsnss.s  |-  S  =  ( LSubSp `  W )
lspsnss.n  |-  N  =  ( LSpan `  W )
lspsnel3.w  |-  ( ph  ->  W  e.  LMod )
lspsnel3.u  |-  ( ph  ->  U  e.  S )
lspsnel3.x  |-  ( ph  ->  X  e.  U )
lspsnel3.y  |-  ( ph  ->  Y  e.  ( N `
 { X }
) )
Assertion
Ref Expression
lspsnel3  |-  ( ph  ->  Y  e.  U )

Proof of Theorem lspsnel3
StepHypRef Expression
1 lspsnel3.w . . 3  |-  ( ph  ->  W  e.  LMod )
2 lspsnel3.u . . 3  |-  ( ph  ->  U  e.  S )
3 lspsnel3.x . . 3  |-  ( ph  ->  X  e.  U )
4 lspsnss.s . . . 4  |-  S  =  ( LSubSp `  W )
5 lspsnss.n . . . 4  |-  N  =  ( LSpan `  W )
64, 5lspsnss 14601 . . 3  |-  ( ( W  e.  LMod  /\  U  e.  S  /\  X  e.  U )  ->  ( N `  { X } )  C_  U
)
71, 2, 3, 6syl3anc 1274 . 2  |-  ( ph  ->  ( N `  { X } )  C_  U
)
8 lspsnel3.y . 2  |-  ( ph  ->  Y  e.  ( N `
 { X }
) )
97, 8sseldd 3241 1  |-  ( ph  ->  Y  e.  U )
Colors of variables: wff set class
Syntax hints:    -> wi 4    = wceq 1398    e. wcel 2205    C_ wss 3213   {csn 3691   ` cfv 5354   LModclmod 14484   LSubSpclss 14549   LSpanclspn 14583
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2207  ax-14 2208  ax-ext 2216  ax-coll 4227  ax-sep 4230  ax-pow 4289  ax-pr 4324  ax-un 4556  ax-cnex 8223  ax-resscn 8224  ax-1re 8226  ax-addrcl 8229
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-nf 1510  df-sb 1812  df-eu 2085  df-mo 2086  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-ral 2527  df-rex 2528  df-reu 2529  df-rmo 2530  df-rab 2531  df-v 2817  df-sbc 3045  df-csb 3141  df-un 3217  df-in 3219  df-ss 3226  df-pw 3673  df-sn 3697  df-pr 3698  df-op 3700  df-uni 3917  df-int 3952  df-iun 3995  df-br 4112  df-opab 4174  df-mpt 4175  df-id 4416  df-xp 4757  df-rel 4758  df-cnv 4759  df-co 4760  df-dm 4761  df-rn 4762  df-res 4763  df-ima 4764  df-iota 5314  df-fun 5356  df-fn 5357  df-f 5358  df-f1 5359  df-fo 5360  df-f1o 5361  df-fv 5362  df-riota 6005  df-ov 6055  df-inn 9243  df-2 9301  df-3 9302  df-4 9303  df-5 9304  df-6 9305  df-ndx 13236  df-slot 13237  df-base 13239  df-plusg 13324  df-mulr 13325  df-sca 13327  df-vsca 13328  df-0g 13492  df-mgm 13590  df-sgrp 13636  df-mnd 13651  df-grp 13737  df-lmod 14486  df-lssm 14550  df-lsp 14584
This theorem is referenced by: (None)
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