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Theorem lcfrlem8 41551
Description: Lemma for lcf1o 41553 and lcfr 41587. (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 4636 . . . . . . 7 (𝑥 = 𝑋 → {𝑥} = {𝑋})
32fveq2d 6910 . . . . . 6 (𝑥 = 𝑋 → ( ‘{𝑥}) = ( ‘{𝑋}))
4 oveq2 7439 . . . . . . . 8 (𝑥 = 𝑋 → (𝑘 · 𝑥) = (𝑘 · 𝑋))
54oveq2d 7447 . . . . . . 7 (𝑥 = 𝑋 → (𝑤 + (𝑘 · 𝑥)) = (𝑤 + (𝑘 · 𝑋)))
65eqeq2d 2748 . . . . . 6 (𝑥 = 𝑋 → (𝑣 = (𝑤 + (𝑘 · 𝑥)) ↔ 𝑣 = (𝑤 + (𝑘 · 𝑋))))
73, 6rexeqbidv 3347 . . . . 5 (𝑥 = 𝑋 → (∃𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)) ↔ ∃𝑤 ∈ ( ‘{𝑋})𝑣 = (𝑤 + (𝑘 · 𝑋))))
87riotabidv 7390 . . . 4 (𝑥 = 𝑋 → (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥))) = (𝑘𝑅𝑤 ∈ ( ‘{𝑋})𝑣 = (𝑤 + (𝑘 · 𝑋))))
98mpteq2dv 5244 . . 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 7248 . 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 395   = wceq 1540  wcel 2108  wrex 3070  {crab 3436  cdif 3948  {csn 4626  cmpt 5225  cfv 6561  crio 7387  (class class class)co 7431  Basecbs 17247  +gcplusg 17297  Scalarcsca 17300   ·𝑠 cvsca 17301  0gc0g 17484  LFnlclfn 39058  LKerclk 39086  LDualcld 39124  HLchlt 39351  LHypclh 39986  DVecHcdvh 41080  ocHcoch 41349
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2007  ax-8 2110  ax-9 2118  ax-10 2141  ax-11 2157  ax-12 2177  ax-ext 2708  ax-rep 5279  ax-sep 5296  ax-nul 5306  ax-pr 5432
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2065  df-mo 2540  df-eu 2569  df-clab 2715  df-cleq 2729  df-clel 2816  df-nfc 2892  df-ne 2941  df-ral 3062  df-rex 3071  df-reu 3381  df-rab 3437  df-v 3482  df-sbc 3789  df-csb 3900  df-dif 3954  df-un 3956  df-in 3958  df-ss 3968  df-nul 4334  df-if 4526  df-sn 4627  df-pr 4629  df-op 4633  df-uni 4908  df-iun 4993  df-br 5144  df-opab 5206  df-mpt 5226  df-id 5578  df-xp 5691  df-rel 5692  df-cnv 5693  df-co 5694  df-dm 5695  df-rn 5696  df-res 5697  df-ima 5698  df-iota 6514  df-fun 6563  df-fn 6564  df-f 6565  df-f1 6566  df-fo 6567  df-f1o 6568  df-fv 6569  df-riota 7388  df-ov 7434
This theorem is referenced by:  lcfrlem9  41552  lcfrlem10  41554  lcfrlem11  41555
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