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Theorem spanss 30588
Description: Ordering relationship for the spans of subsets of Hilbert space. (Contributed by NM, 2-Jun-2004.) (New usage is discouraged.)
Assertion
Ref Expression
spanss ((𝐡 βŠ† β„‹ ∧ 𝐴 βŠ† 𝐡) β†’ (spanβ€˜π΄) βŠ† (spanβ€˜π΅))
Proof of Theorem spanss
Dummy variable π‘₯ is distinct from all other variables.
StepHypRef Expression
1 sstr2 3988 . . . . . 6 (𝐴 βŠ† 𝐡 β†’ (𝐡 βŠ† π‘₯ β†’ 𝐴 βŠ† π‘₯))
21adantr 481 . . . . 5 ((𝐴 βŠ† 𝐡 ∧ π‘₯ ∈ Sβ„‹ ) β†’ (𝐡 βŠ† π‘₯ β†’ 𝐴 βŠ† π‘₯))
32ss2rabdv 4072 . . . 4 (𝐴 βŠ† 𝐡 β†’ {π‘₯ ∈ Sβ„‹ ∣ 𝐡 βŠ† π‘₯} βŠ† {π‘₯ ∈ Sβ„‹ ∣ 𝐴 βŠ† π‘₯})
4 intss 4972 . . . 4 ({π‘₯ ∈ Sβ„‹ ∣ 𝐡 βŠ† π‘₯} βŠ† {π‘₯ ∈ Sβ„‹ ∣ 𝐴 βŠ† π‘₯} β†’ ∩ {π‘₯ ∈ Sβ„‹ ∣ 𝐴 βŠ† π‘₯} βŠ† ∩ {π‘₯ ∈ Sβ„‹ ∣ 𝐡 βŠ† π‘₯})
53, 4syl 17 . . 3 (𝐴 βŠ† 𝐡 β†’ ∩ {π‘₯ ∈ Sβ„‹ ∣ 𝐴 βŠ† π‘₯} βŠ† ∩ {π‘₯ ∈ Sβ„‹ ∣ 𝐡 βŠ† π‘₯})
65adantl 482 . 2 ((𝐡 βŠ† β„‹ ∧ 𝐴 βŠ† 𝐡) β†’ ∩ {π‘₯ ∈ Sβ„‹ ∣ 𝐴 βŠ† π‘₯} βŠ† ∩ {π‘₯ ∈ Sβ„‹ ∣ 𝐡 βŠ† π‘₯})
7 sstr 3989 . . . 4 ((𝐴 βŠ† 𝐡 ∧ 𝐡 βŠ† β„‹) β†’ 𝐴 βŠ† β„‹)
87ancoms 459 . . 3 ((𝐡 βŠ† β„‹ ∧ 𝐴 βŠ† 𝐡) β†’ 𝐴 βŠ† β„‹)
9 spanval 30573 . . 3 (𝐴 βŠ† β„‹ β†’ (spanβ€˜π΄) = ∩ {π‘₯ ∈ Sβ„‹ ∣ 𝐴 βŠ† π‘₯})
108, 9syl 17 . 2 ((𝐡 βŠ† β„‹ ∧ 𝐴 βŠ† 𝐡) β†’ (spanβ€˜π΄) = ∩ {π‘₯ ∈ Sβ„‹ ∣ 𝐴 βŠ† π‘₯})
11 spanval 30573 . . 3 (𝐡 βŠ† β„‹ β†’ (spanβ€˜π΅) = ∩ {π‘₯ ∈ Sβ„‹ ∣ 𝐡 βŠ† π‘₯})
1211adantr 481 . 2 ((𝐡 βŠ† β„‹ ∧ 𝐴 βŠ† 𝐡) β†’ (spanβ€˜π΅) = ∩ {π‘₯ ∈ Sβ„‹ ∣ 𝐡 βŠ† π‘₯})
136, 10, 123sstr4d 4028 1 ((𝐡 βŠ† β„‹ ∧ 𝐴 βŠ† 𝐡) β†’ (spanβ€˜π΄) βŠ† (spanβ€˜π΅))
Colors of variables: wff setvar class
Syntax hints:   β†’ wi 4   ∧ wa 396   = wceq 1541   ∈ wcel 2106  {crab 3432   βŠ† wss 3947  βˆ© cint 4949  β€˜cfv 6540   β„‹chba 30159   Sβ„‹ csh 30168  spancspn 30172
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1913  ax-6 1971  ax-7 2011  ax-8 2108  ax-9 2116  ax-10 2137  ax-11 2154  ax-12 2171  ax-ext 2703  ax-rep 5284  ax-sep 5298  ax-nul 5305  ax-pow 5362  ax-pr 5426  ax-un 7721  ax-cnex 11162  ax-1cn 11164  ax-addcl 11166  ax-hilex 30239  ax-hfvadd 30240  ax-hv0cl 30243  ax-hfvmul 30245
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 846  df-3or 1088  df-3an 1089  df-tru 1544  df-fal 1554  df-ex 1782  df-nf 1786  df-sb 2068  df-mo 2534  df-eu 2563  df-clab 2710  df-cleq 2724  df-clel 2810  df-nfc 2885  df-ne 2941  df-ral 3062  df-rex 3071  df-reu 3377  df-rab 3433  df-v 3476  df-sbc 3777  df-csb 3893  df-dif 3950  df-un 3952  df-in 3954  df-ss 3964  df-pss 3966  df-nul 4322  df-if 4528  df-pw 4603  df-sn 4628  df-pr 4630  df-op 4634  df-uni 4908  df-int 4950  df-iun 4998  df-br 5148  df-opab 5210  df-mpt 5231  df-tr 5265  df-id 5573  df-eprel 5579  df-po 5587  df-so 5588  df-fr 5630  df-we 5632  df-xp 5681  df-rel 5682  df-cnv 5683  df-co 5684  df-dm 5685  df-rn 5686  df-res 5687  df-ima 5688  df-pred 6297  df-ord 6364  df-on 6365  df-lim 6366  df-suc 6367  df-iota 6492  df-fun 6542  df-fn 6543  df-f 6544  df-f1 6545  df-fo 6546  df-f1o 6547  df-fv 6548  df-ov 7408  df-oprab 7409  df-mpo 7410  df-om 7852  df-2nd 7972  df-frecs 8262  df-wrecs 8293  df-recs 8367  df-rdg 8406  df-map 8818  df-nn 12209  df-hlim 30212  df-sh 30447  df-ch 30461  df-span 30549
This theorem is referenced by:  spanssoc  30589  span0  30782  spanuni  30784  spansnpji  30818  shatomistici  31601
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