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Theorem lcfrlem8 38845
 Description: Lemma for lcf1o 38847 and lcfr 38881. (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 4535 . . . . . . 7 (𝑥 = 𝑋 → {𝑥} = {𝑋})
32fveq2d 6649 . . . . . 6 (𝑥 = 𝑋 → ( ‘{𝑥}) = ( ‘{𝑋}))
4 oveq2 7143 . . . . . . . 8 (𝑥 = 𝑋 → (𝑘 · 𝑥) = (𝑘 · 𝑋))
54oveq2d 7151 . . . . . . 7 (𝑥 = 𝑋 → (𝑤 + (𝑘 · 𝑥)) = (𝑤 + (𝑘 · 𝑋)))
65eqeq2d 2809 . . . . . 6 (𝑥 = 𝑋 → (𝑣 = (𝑤 + (𝑘 · 𝑥)) ↔ 𝑣 = (𝑤 + (𝑘 · 𝑋))))
73, 6rexeqbidv 3355 . . . . 5 (𝑥 = 𝑋 → (∃𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)) ↔ ∃𝑤 ∈ ( ‘{𝑋})𝑣 = (𝑤 + (𝑘 · 𝑋))))
87riotabidv 7095 . . . 4 (𝑥 = 𝑋 → (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥))) = (𝑘𝑅𝑤 ∈ ( ‘{𝑋})𝑣 = (𝑤 + (𝑘 · 𝑋))))
98mpteq2dv 5126 . . 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 . . 3 𝑉 = (Base‘𝑈)
129, 10, 11mptfvmpt 6968 . 2 (𝑋 ∈ (𝑉 ∖ { 0 }) → (𝐽𝑋) = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑋})𝑣 = (𝑤 + (𝑘 · 𝑋)))))
131, 12syl 17 1 (𝜑 → (𝐽𝑋) = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑋})𝑣 = (𝑤 + (𝑘 · 𝑋)))))
 Colors of variables: wff setvar class Syntax hints:   → wi 4   ∧ wa 399   = wceq 1538   ∈ wcel 2111  ∃wrex 3107  {crab 3110   ∖ cdif 3878  {csn 4525   ↦ cmpt 5110  ‘cfv 6324  ℩crio 7092  (class class class)co 7135  Basecbs 16475  +gcplusg 16557  Scalarcsca 16560   ·𝑠 cvsca 16561  0gc0g 16705  LFnlclfn 36353  LKerclk 36381  LDualcld 36419  HLchlt 36646  LHypclh 37280  DVecHcdvh 38374  ocHcoch 38643 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 1911  ax-6 1970  ax-7 2015  ax-8 2113  ax-9 2121  ax-10 2142  ax-11 2158  ax-12 2175  ax-ext 2770  ax-rep 5154  ax-sep 5167  ax-nul 5174  ax-pr 5295 This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3an 1086  df-tru 1541  df-ex 1782  df-nf 1786  df-sb 2070  df-mo 2598  df-eu 2629  df-clab 2777  df-cleq 2791  df-clel 2870  df-nfc 2938  df-ne 2988  df-ral 3111  df-rex 3112  df-reu 3113  df-rab 3115  df-v 3443  df-sbc 3721  df-csb 3829  df-dif 3884  df-un 3886  df-in 3888  df-ss 3898  df-nul 4244  df-if 4426  df-sn 4526  df-pr 4528  df-op 4532  df-uni 4801  df-iun 4883  df-br 5031  df-opab 5093  df-mpt 5111  df-id 5425  df-xp 5525  df-rel 5526  df-cnv 5527  df-co 5528  df-dm 5529  df-rn 5530  df-res 5531  df-ima 5532  df-iota 6283  df-fun 6326  df-fn 6327  df-f 6328  df-f1 6329  df-fo 6330  df-f1o 6331  df-fv 6332  df-riota 7093  df-ov 7138 This theorem is referenced by:  lcfrlem9  38846  lcfrlem10  38848  lcfrlem11  38849
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