Theorem mapdvalc 41535

Description: Value of projectivity from vector space H to dual space. (Contributed by NM, 27-Jan-2015.)

Hypotheses

Ref	Expression
mapdval.h	⊢ 𝐻 = (LHyp‘𝐾)
mapdval.u	⊢ 𝑈 = ((DVecH‘𝐾)‘𝑊)
mapdval.s	⊢ 𝑆 = (LSubSp‘𝑈)
mapdval.f	⊢ 𝐹 = (LFnl‘𝑈)
mapdval.l	⊢ 𝐿 = (LKer‘𝑈)
mapdval.o	⊢ 𝑂 = ((ocH‘𝐾)‘𝑊)
mapdval.m	⊢ 𝑀 = ((mapd‘𝐾)‘𝑊)
mapdval.k	⊢ (𝜑 → (𝐾 ∈ 𝑋 ∧ 𝑊 ∈ 𝐻))
mapdval.t	⊢ (𝜑 → 𝑇 ∈ 𝑆)
mapdvalc.c	⊢ 𝐶 = {𝑔 ∈ 𝐹 ∣ (𝑂‘(𝑂‘(𝐿‘𝑔))) = (𝐿‘𝑔)}

Assertion

Ref	Expression
mapdvalc	⊢ (𝜑 → (𝑀‘𝑇) = {𝑓 ∈ 𝐶 ∣ (𝑂‘(𝐿‘𝑓)) ⊆ 𝑇})

Distinct variable groups:   𝑓,𝐾   𝑓,𝐹   𝑓,𝑊   𝑓,𝑔,𝐹   𝑔,𝐿   𝑔,𝑂   𝑇,𝑓   𝜑,𝑓

Allowed substitution hints:   𝜑(𝑔)   𝐶(𝑓,𝑔)   𝑆(𝑓,𝑔)   𝑇(𝑔)   𝑈(𝑓,𝑔)   𝐻(𝑓,𝑔)   𝐾(𝑔)   𝐿(𝑓)   𝑀(𝑓,𝑔)   𝑂(𝑓)   𝑊(𝑔)   𝑋(𝑓,𝑔)

Proof of Theorem mapdvalc

Step	Hyp	Ref	Expression
1		mapdval.h	. . 3 ⊢ 𝐻 = (LHyp‘𝐾)
2		mapdval.u	. . 3 ⊢ 𝑈 = ((DVecH‘𝐾)‘𝑊)
3		mapdval.s	. . 3 ⊢ 𝑆 = (LSubSp‘𝑈)
4		mapdval.f	. . 3 ⊢ 𝐹 = (LFnl‘𝑈)
5		mapdval.l	. . 3 ⊢ 𝐿 = (LKer‘𝑈)
6		mapdval.o	. . 3 ⊢ 𝑂 = ((ocH‘𝐾)‘𝑊)
7		mapdval.m	. . 3 ⊢ 𝑀 = ((mapd‘𝐾)‘𝑊)
8		mapdval.k	. . 3 ⊢ (𝜑 → (𝐾 ∈ 𝑋 ∧ 𝑊 ∈ 𝐻))
9		mapdval.t	. . 3 ⊢ (𝜑 → 𝑇 ∈ 𝑆)
10	1, 2, 3, 4, 5, 6, 7, 8, 9	mapdval 41534	. 2 ⊢ (𝜑 → (𝑀‘𝑇) = {𝑓 ∈ 𝐹 ∣ ((𝑂‘(𝑂‘(𝐿‘𝑓))) = (𝐿‘𝑓) ∧ (𝑂‘(𝐿‘𝑓)) ⊆ 𝑇)})
11		anass 468	. . . 4 ⊢ (((𝑓 ∈ 𝐹 ∧ (𝑂‘(𝑂‘(𝐿‘𝑓))) = (𝐿‘𝑓)) ∧ (𝑂‘(𝐿‘𝑓)) ⊆ 𝑇) ↔ (𝑓 ∈ 𝐹 ∧ ((𝑂‘(𝑂‘(𝐿‘𝑓))) = (𝐿‘𝑓) ∧ (𝑂‘(𝐿‘𝑓)) ⊆ 𝑇)))
12		mapdvalc.c	. . . . . . . 8 ⊢ 𝐶 = {𝑔 ∈ 𝐹 ∣ (𝑂‘(𝑂‘(𝐿‘𝑔))) = (𝐿‘𝑔)}
13	12	lcfl1lem 41397	. . . . . . 7 ⊢ (𝑓 ∈ 𝐶 ↔ (𝑓 ∈ 𝐹 ∧ (𝑂‘(𝑂‘(𝐿‘𝑓))) = (𝐿‘𝑓)))
14	13	anbi1i 623	. . . . . 6 ⊢ ((𝑓 ∈ 𝐶 ∧ (𝑂‘(𝐿‘𝑓)) ⊆ 𝑇) ↔ ((𝑓 ∈ 𝐹 ∧ (𝑂‘(𝑂‘(𝐿‘𝑓))) = (𝐿‘𝑓)) ∧ (𝑂‘(𝐿‘𝑓)) ⊆ 𝑇))
15	14	bicomi 224	. . . . 5 ⊢ (((𝑓 ∈ 𝐹 ∧ (𝑂‘(𝑂‘(𝐿‘𝑓))) = (𝐿‘𝑓)) ∧ (𝑂‘(𝐿‘𝑓)) ⊆ 𝑇) ↔ (𝑓 ∈ 𝐶 ∧ (𝑂‘(𝐿‘𝑓)) ⊆ 𝑇))
16	15	a1i 11	. . . 4 ⊢ (𝜑 → (((𝑓 ∈ 𝐹 ∧ (𝑂‘(𝑂‘(𝐿‘𝑓))) = (𝐿‘𝑓)) ∧ (𝑂‘(𝐿‘𝑓)) ⊆ 𝑇) ↔ (𝑓 ∈ 𝐶 ∧ (𝑂‘(𝐿‘𝑓)) ⊆ 𝑇)))
17	11, 16	bitr3id 285	. . 3 ⊢ (𝜑 → ((𝑓 ∈ 𝐹 ∧ ((𝑂‘(𝑂‘(𝐿‘𝑓))) = (𝐿‘𝑓) ∧ (𝑂‘(𝐿‘𝑓)) ⊆ 𝑇)) ↔ (𝑓 ∈ 𝐶 ∧ (𝑂‘(𝐿‘𝑓)) ⊆ 𝑇)))
18	17	rabbidva2 3440	. 2 ⊢ (𝜑 → {𝑓 ∈ 𝐹 ∣ ((𝑂‘(𝑂‘(𝐿‘𝑓))) = (𝐿‘𝑓) ∧ (𝑂‘(𝐿‘𝑓)) ⊆ 𝑇)} = {𝑓 ∈ 𝐶 ∣ (𝑂‘(𝐿‘𝑓)) ⊆ 𝑇})
19	10, 18	eqtrd 2774	1 ⊢ (𝜑 → (𝑀‘𝑇) = {𝑓 ∈ 𝐶 ∣ (𝑂‘(𝐿‘𝑓)) ⊆ 𝑇})

Syntax hints:   → wi 4   ↔ wb 206   ∧ wa 395   = wceq 1537   ∈ wcel 2103  {crab 3438   ⊆ wss 3970  ‘cfv 6572  LSubSpclss 20947  LFnlclfn 38962  LKerclk 38990  LHypclh 39890  DVecHcdvh 40984  ocHcoch 41253  mapdcmpd 41530

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1793  ax-4 1807  ax-5 1909  ax-6 1967  ax-7 2007  ax-8 2105  ax-9 2113  ax-10 2136  ax-11 2153  ax-12 2173  ax-ext 2705  ax-rep 5306  ax-sep 5320  ax-nul 5327  ax-pr 5450

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 847  df-3an 1089  df-tru 1540  df-fal 1550  df-ex 1778  df-nf 1782  df-sb 2065  df-mo 2537  df-eu 2566  df-clab 2712  df-cleq 2726  df-clel 2813  df-nfc 2890  df-ne 2943  df-ral 3064  df-rex 3073  df-reu 3384  df-rab 3439  df-v 3484  df-sbc 3799  df-csb 3916  df-dif 3973  df-un 3975  df-in 3977  df-ss 3987  df-nul 4348  df-if 4549  df-pw 4624  df-sn 4649  df-pr 4651  df-op 4655  df-uni 4932  df-iun 5021  df-br 5170  df-opab 5232  df-mpt 5253  df-id 5597  df-xp 5705  df-rel 5706  df-cnv 5707  df-co 5708  df-dm 5709  df-rn 5710  df-res 5711  df-ima 5712  df-iota 6524  df-fun 6574  df-fn 6575  df-f 6576  df-f1 6577  df-fo 6578  df-f1o 6579  df-fv 6580  df-mapd 41531

This theorem is referenced by:  mapdval2N  41536  mapdordlem2  41543  mapdrval  41553