ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  lspex Unicode version

Theorem lspex 14408
Description: Existence of the span of a set of vectors. (Contributed by Jim Kingdon, 25-Apr-2025.)
Assertion
Ref Expression
lspex  |-  ( W  e.  X  ->  ( LSpan `  W )  e. 
_V )

Proof of Theorem lspex
Dummy variables  s  t are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 eqid 2231 . . 3  |-  ( Base `  W )  =  (
Base `  W )
2 eqid 2231 . . 3  |-  ( LSubSp `  W )  =  (
LSubSp `  W )
3 eqid 2231 . . 3  |-  ( LSpan `  W )  =  (
LSpan `  W )
41, 2, 3lspfval 14401 . 2  |-  ( W  e.  X  ->  ( LSpan `  W )  =  ( s  e.  ~P ( Base `  W )  |-> 
|^| { t  e.  (
LSubSp `  W )  |  s  C_  t }
) )
5 basfn 13140 . . . . 5  |-  Base  Fn  _V
6 elex 2814 . . . . 5  |-  ( W  e.  X  ->  W  e.  _V )
7 funfvex 5656 . . . . . 6  |-  ( ( Fun  Base  /\  W  e. 
dom  Base )  ->  ( Base `  W )  e. 
_V )
87funfni 5432 . . . . 5  |-  ( (
Base  Fn  _V  /\  W  e.  _V )  ->  ( Base `  W )  e. 
_V )
95, 6, 8sylancr 414 . . . 4  |-  ( W  e.  X  ->  ( Base `  W )  e. 
_V )
109pwexd 4271 . . 3  |-  ( W  e.  X  ->  ~P ( Base `  W )  e.  _V )
1110mptexd 5880 . 2  |-  ( W  e.  X  ->  (
s  e.  ~P ( Base `  W )  |->  |^|
{ t  e.  (
LSubSp `  W )  |  s  C_  t }
)  e.  _V )
124, 11eqeltrd 2308 1  |-  ( W  e.  X  ->  ( LSpan `  W )  e. 
_V )
Colors of variables: wff set class
Syntax hints:    -> wi 4    e. wcel 2202   {crab 2514   _Vcvv 2802    C_ wss 3200   ~Pcpw 3652   |^|cint 3928    |-> cmpt 4150    Fn wfn 5321   ` cfv 5326   Basecbs 13081   LSubSpclss 14365   LSpanclspn 14399
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 716  ax-5 1495  ax-7 1496  ax-gen 1497  ax-ie1 1541  ax-ie2 1542  ax-8 1552  ax-10 1553  ax-11 1554  ax-i12 1555  ax-bndl 1557  ax-4 1558  ax-17 1574  ax-i9 1578  ax-ial 1582  ax-i5r 1583  ax-13 2204  ax-14 2205  ax-ext 2213  ax-coll 4204  ax-sep 4207  ax-pow 4264  ax-pr 4299  ax-un 4530  ax-cnex 8122  ax-resscn 8123  ax-1re 8125  ax-addrcl 8128
This theorem depends on definitions:  df-bi 117  df-3an 1006  df-tru 1400  df-nf 1509  df-sb 1811  df-eu 2082  df-mo 2083  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-ral 2515  df-rex 2516  df-reu 2517  df-rab 2519  df-v 2804  df-sbc 3032  df-csb 3128  df-un 3204  df-in 3206  df-ss 3213  df-pw 3654  df-sn 3675  df-pr 3676  df-op 3678  df-uni 3894  df-int 3929  df-iun 3972  df-br 4089  df-opab 4151  df-mpt 4152  df-id 4390  df-xp 4731  df-rel 4732  df-cnv 4733  df-co 4734  df-dm 4735  df-rn 4736  df-res 4737  df-ima 4738  df-iota 5286  df-fun 5328  df-fn 5329  df-f 5330  df-f1 5331  df-fo 5332  df-f1o 5333  df-fv 5334  df-inn 9143  df-ndx 13084  df-slot 13085  df-base 13087  df-lsp 14400
This theorem is referenced by:  rspex  14487
  Copyright terms: Public domain W3C validator