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Theorem lcfrlem8 35856
 Description: Lemma for lcf1o 35858 and lcfr 35892. (Contributed by NM, 21-Feb-2015.)
Hypotheses
Ref Expression
lcf1o.h 𝐻 = (LHyp‘𝐾)
lcf1o.o = ((ocH‘𝐾)‘𝑊)
lcf1o.u 𝑈 = ((DVecH‘𝐾)‘𝑊)
lcf1o.v 𝑉 = (Base‘𝑈)
lcf1o.a + = (+g𝑈)
lcf1o.t · = ( ·𝑠𝑈)
lcf1o.s 𝑆 = (Scalar‘𝑈)
lcf1o.r 𝑅 = (Base‘𝑆)
lcf1o.z 0 = (0g𝑈)
lcf1o.f 𝐹 = (LFnl‘𝑈)
lcf1o.l 𝐿 = (LKer‘𝑈)
lcf1o.d 𝐷 = (LDual‘𝑈)
lcf1o.q 𝑄 = (0g𝐷)
lcf1o.c 𝐶 = {𝑓𝐹 ∣ ( ‘( ‘(𝐿𝑓))) = (𝐿𝑓)}
lcf1o.j 𝐽 = (𝑥 ∈ (𝑉 ∖ { 0 }) ↦ (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))))
lcflo.k (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))
lcfrlem8.x (𝜑𝑋 ∈ (𝑉 ∖ { 0 }))
Assertion
Ref Expression
lcfrlem8 (𝜑 → (𝐽𝑋) = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑋})𝑣 = (𝑤 + (𝑘 · 𝑋)))))
Distinct variable groups:   𝑥,𝑤,   𝑥, 0   𝑥,𝑣,𝑉   𝑥, ·   𝑣,𝑘,𝑤,𝑥,𝑋   𝑥, +   𝑥,𝑅
Allowed substitution hints:   𝜑(𝑥,𝑤,𝑣,𝑓,𝑘)   𝐶(𝑥,𝑤,𝑣,𝑓,𝑘)   𝐷(𝑥,𝑤,𝑣,𝑓,𝑘)   + (𝑤,𝑣,𝑓,𝑘)   𝑄(𝑥,𝑤,𝑣,𝑓,𝑘)   𝑅(𝑤,𝑣,𝑓,𝑘)   𝑆(𝑥,𝑤,𝑣,𝑓,𝑘)   · (𝑤,𝑣,𝑓,𝑘)   𝑈(𝑥,𝑤,𝑣,𝑓,𝑘)   𝐹(𝑥,𝑤,𝑣,𝑓,𝑘)   𝐻(𝑥,𝑤,𝑣,𝑓,𝑘)   𝐽(𝑥,𝑤,𝑣,𝑓,𝑘)   𝐾(𝑥,𝑤,𝑣,𝑓,𝑘)   𝐿(𝑥,𝑤,𝑣,𝑓,𝑘)   (𝑣,𝑓,𝑘)   𝑉(𝑤,𝑓,𝑘)   𝑊(𝑥,𝑤,𝑣,𝑓,𝑘)   𝑋(𝑓)   0 (𝑤,𝑣,𝑓,𝑘)

Proof of Theorem lcfrlem8
StepHypRef Expression
1 lcfrlem8.x . 2 (𝜑𝑋 ∈ (𝑉 ∖ { 0 }))
2 sneq 4135 . . . . . . 7 (𝑥 = 𝑋 → {𝑥} = {𝑋})
32fveq2d 6107 . . . . . 6 (𝑥 = 𝑋 → ( ‘{𝑥}) = ( ‘{𝑋}))
4 oveq2 6557 . . . . . . . 8 (𝑥 = 𝑋 → (𝑘 · 𝑥) = (𝑘 · 𝑋))
54oveq2d 6565 . . . . . . 7 (𝑥 = 𝑋 → (𝑤 + (𝑘 · 𝑥)) = (𝑤 + (𝑘 · 𝑋)))
65eqeq2d 2620 . . . . . 6 (𝑥 = 𝑋 → (𝑣 = (𝑤 + (𝑘 · 𝑥)) ↔ 𝑣 = (𝑤 + (𝑘 · 𝑋))))
73, 6rexeqbidv 3130 . . . . 5 (𝑥 = 𝑋 → (∃𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)) ↔ ∃𝑤 ∈ ( ‘{𝑋})𝑣 = (𝑤 + (𝑘 · 𝑋))))
87riotabidv 6513 . . . 4 (𝑥 = 𝑋 → (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥))) = (𝑘𝑅𝑤 ∈ ( ‘{𝑋})𝑣 = (𝑤 + (𝑘 · 𝑋))))
98mpteq2dv 4673 . . 3 (𝑥 = 𝑋 → (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))) = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑋})𝑣 = (𝑤 + (𝑘 · 𝑋)))))
10 lcf1o.j . . 3 𝐽 = (𝑥 ∈ (𝑉 ∖ { 0 }) ↦ (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))))
11 lcf1o.v . . . . 5 𝑉 = (Base‘𝑈)
12 fvex 6113 . . . . 5 (Base‘𝑈) ∈ V
1311, 12eqeltri 2684 . . . 4 𝑉 ∈ V
1413mptex 6390 . . 3 (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑋})𝑣 = (𝑤 + (𝑘 · 𝑋)))) ∈ V
159, 10, 14fvmpt 6191 . 2 (𝑋 ∈ (𝑉 ∖ { 0 }) → (𝐽𝑋) = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑋})𝑣 = (𝑤 + (𝑘 · 𝑋)))))
161, 15syl 17 1 (𝜑 → (𝐽𝑋) = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑋})𝑣 = (𝑤 + (𝑘 · 𝑋)))))
 Colors of variables: wff setvar class Syntax hints:   → wi 4   ∧ wa 383   = wceq 1475   ∈ wcel 1977  ∃wrex 2897  {crab 2900  Vcvv 3173   ∖ cdif 3537  {csn 4125   ↦ cmpt 4643  ‘cfv 5804  ℩crio 6510  (class class class)co 6549  Basecbs 15695  +gcplusg 15768  Scalarcsca 15771   ·𝑠 cvsca 15772  0gc0g 15923  LFnlclfn 33362  LKerclk 33390  LDualcld 33428  HLchlt 33655  LHypclh 34288  DVecHcdvh 35385  ocHcoch 35654 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1713  ax-4 1728  ax-5 1827  ax-6 1875  ax-7 1922  ax-9 1986  ax-10 2006  ax-11 2021  ax-12 2034  ax-13 2234  ax-ext 2590  ax-rep 4699  ax-sep 4709  ax-nul 4717  ax-pr 4833 This theorem depends on definitions:  df-bi 196  df-or 384  df-an 385  df-3an 1033  df-tru 1478  df-ex 1696  df-nf 1701  df-sb 1868  df-eu 2462  df-mo 2463  df-clab 2597  df-cleq 2603  df-clel 2606  df-nfc 2740  df-ne 2782  df-ral 2901  df-rex 2902  df-reu 2903  df-rab 2905  df-v 3175  df-sbc 3403  df-csb 3500  df-dif 3543  df-un 3545  df-in 3547  df-ss 3554  df-nul 3875  df-if 4037  df-sn 4126  df-pr 4128  df-op 4132  df-uni 4373  df-iun 4457  df-br 4584  df-opab 4644  df-mpt 4645  df-id 4953  df-xp 5044  df-rel 5045  df-cnv 5046  df-co 5047  df-dm 5048  df-rn 5049  df-res 5050  df-ima 5051  df-iota 5768  df-fun 5806  df-fn 5807  df-f 5808  df-f1 5809  df-fo 5810  df-f1o 5811  df-fv 5812  df-riota 6511  df-ov 6552 This theorem is referenced by:  lcfrlem9  35857  lcfrlem10  35859  lcfrlem11  35860
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