Users' Mathboxes Mathbox for Thierry Arnoux < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  resvid2 Structured version   Visualization version   GIF version
Theorem resvid2 32224
Description: General behavior of trivial restriction. (Contributed by Thierry Arnoux, 6-Sep-2018.)
Hypotheses
Ref Expression
resvsca.r 𝑅 = (π‘Š β†Ύv 𝐴)
resvsca.f 𝐹 = (Scalarβ€˜π‘Š)
resvsca.b 𝐡 = (Baseβ€˜πΉ)
Assertion
Ref Expression
resvid2 ((𝐡 βŠ† 𝐴 ∧ π‘Š ∈ 𝑋 ∧ 𝐴 ∈ π‘Œ) β†’ 𝑅 = π‘Š)
Proof of Theorem resvid2
StepHypRef Expression
1 resvsca.r . . . 4 𝑅 = (π‘Š β†Ύv 𝐴)
2 resvsca.f . . . 4 𝐹 = (Scalarβ€˜π‘Š)
3 resvsca.b . . . 4 𝐡 = (Baseβ€˜πΉ)
41, 2, 3resvval 32223 . . 3 ((π‘Š ∈ 𝑋 ∧ 𝐴 ∈ π‘Œ) β†’ 𝑅 = if(𝐡 βŠ† 𝐴, π‘Š, (π‘Š sSet ⟨(Scalarβ€˜ndx), (𝐹 β†Ύs 𝐴)⟩)))
5 iftrue 4512 . . 3 (𝐡 βŠ† 𝐴 β†’ if(𝐡 βŠ† 𝐴, π‘Š, (π‘Š sSet ⟨(Scalarβ€˜ndx), (𝐹 β†Ύs 𝐴)⟩)) = π‘Š)
64, 5sylan9eqr 2793 . 2 ((𝐡 βŠ† 𝐴 ∧ (π‘Š ∈ 𝑋 ∧ 𝐴 ∈ π‘Œ)) β†’ 𝑅 = π‘Š)
763impb 1115 1 ((𝐡 βŠ† 𝐴 ∧ π‘Š ∈ 𝑋 ∧ 𝐴 ∈ π‘Œ) β†’ 𝑅 = π‘Š)
Colors of variables: wff setvar class
Syntax hints:   β†’ wi 4   ∧ wa 396   ∧ w3a 1087   = wceq 1541   ∈ wcel 2106   βŠ† wss 3928  ifcif 4506  βŸ¨cop 4612  β€˜cfv 6516  (class class class)co 7377   sSet csts 17061  ndxcnx 17091  Basecbs 17109   β†Ύs cress 17138  Scalarcsca 17165   β†Ύv cresv 32220
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 2702  ax-sep 5276  ax-nul 5283  ax-pr 5404
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 846  df-3an 1089  df-tru 1544  df-fal 1554  df-ex 1782  df-nf 1786  df-sb 2068  df-mo 2533  df-eu 2562  df-clab 2709  df-cleq 2723  df-clel 2809  df-nfc 2884  df-ne 2940  df-ral 3061  df-rex 3070  df-rab 3419  df-v 3461  df-sbc 3758  df-dif 3931  df-un 3933  df-in 3935  df-ss 3945  df-nul 4303  df-if 4507  df-sn 4607  df-pr 4609  df-op 4613  df-uni 4886  df-br 5126  df-opab 5188  df-id 5551  df-xp 5659  df-rel 5660  df-cnv 5661  df-co 5662  df-dm 5663  df-iota 6468  df-fun 6518  df-fv 6524  df-ov 7380  df-oprab 7381  df-mpo 7382  df-resv 32221
This theorem is referenced by:  resvsca  32226  resvlem  32227  resvlemOLD  32228
  Copyright terms: Public domain W3C validator