mapdordlem1a - Mathbox for Norm Megill

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Theorem mapdordlem1a 42408

Description: Lemma for mapdord 42412. (Contributed by NM, 27-Jan-2015.)

**Hypotheses**
Ref	Expression
mapdordlem1a.h	⊢ 𝐻 = (LHyp‘𝐾)
mapdordlem1a.o	⊢ 𝑂 = ((ocH‘𝐾)‘𝑊)
mapdordlem1a.u	⊢ 𝑈 = ((DVecH‘𝐾)‘𝑊)
mapdordlem1a.v	⊢ 𝑉 = (Base‘𝑈)
mapdordlem1a.y	⊢ 𝑌 = (LSHyp‘𝑈)
mapdordlem1a.f	⊢ 𝐹 = (LFnl‘𝑈)
mapdordlem1a.l	⊢ 𝐿 = (LKer‘𝑈)
mapdordlem1a.t	⊢ 𝑇 = {𝑔 ∈ 𝐹 ∣ (𝑂‘(𝑂‘(𝐿‘𝑔))) ∈ 𝑌}
mapdordlem1a.c	⊢ 𝐶 = {𝑔 ∈ 𝐹 ∣ (𝑂‘(𝑂‘(𝐿‘𝑔))) = (𝐿‘𝑔)}
mapdordlem1a.k	⊢ (𝜑 → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))

**Assertion**
Ref	Expression
mapdordlem1a	⊢ (𝜑 → (𝐽 ∈ 𝑇 ↔ (𝐽 ∈ 𝐶 ∧ (𝑂‘(𝑂‘(𝐿‘𝐽))) ∈ 𝑌)))

Distinct variable groups: 𝑔,𝐹 𝑔,𝐽 𝑔,𝐿 𝑔,𝑂 𝑔,𝑌 Allowed substitution hints: 𝜑(𝑔) 𝐶(𝑔) 𝑇(𝑔) 𝑈(𝑔) 𝐻(𝑔) 𝐾(𝑔) 𝑉(𝑔) 𝑊(𝑔)

**Proof of Theorem mapdordlem1a**
Step	Hyp	Ref	Expression
1		simprr 784	. . . . . 6 ⊢ ((𝜑 ∧ (𝐽 ∈ 𝐹 ∧ (𝑂‘(𝑂‘(𝐿‘𝐽))) ∈ 𝑌)) → (𝑂‘(𝑂‘(𝐿‘𝐽))) ∈ 𝑌)
2		mapdordlem1a.h	. . . . . . 7 ⊢ 𝐻 = (LHyp‘𝐾)
3		mapdordlem1a.o	. . . . . . 7 ⊢ 𝑂 = ((ocH‘𝐾)‘𝑊)
4		mapdordlem1a.u	. . . . . . 7 ⊢ 𝑈 = ((DVecH‘𝐾)‘𝑊)
5		mapdordlem1a.f	. . . . . . 7 ⊢ 𝐹 = (LFnl‘𝑈)
6		mapdordlem1a.y	. . . . . . 7 ⊢ 𝑌 = (LSHyp‘𝑈)
7		mapdordlem1a.l	. . . . . . 7 ⊢ 𝐿 = (LKer‘𝑈)
8		mapdordlem1a.k	. . . . . . . 8 ⊢ (𝜑 → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
9	8	adantr 485	. . . . . . 7 ⊢ ((𝜑 ∧ (𝐽 ∈ 𝐹 ∧ (𝑂‘(𝑂‘(𝐿‘𝐽))) ∈ 𝑌)) → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
10		simprl 782	. . . . . . 7 ⊢ ((𝜑 ∧ (𝐽 ∈ 𝐹 ∧ (𝑂‘(𝑂‘(𝐿‘𝐽))) ∈ 𝑌)) → 𝐽 ∈ 𝐹)
11	2, 3, 4, 5, 6, 7, 9, 10	dochlkr 42159	. . . . . 6 ⊢ ((𝜑 ∧ (𝐽 ∈ 𝐹 ∧ (𝑂‘(𝑂‘(𝐿‘𝐽))) ∈ 𝑌)) → ((𝑂‘(𝑂‘(𝐿‘𝐽))) ∈ 𝑌 ↔ ((𝑂‘(𝑂‘(𝐿‘𝐽))) = (𝐿‘𝐽) ∧ (𝐿‘𝐽) ∈ 𝑌)))
12	1, 11	mpbid 235	. . . . 5 ⊢ ((𝜑 ∧ (𝐽 ∈ 𝐹 ∧ (𝑂‘(𝑂‘(𝐿‘𝐽))) ∈ 𝑌)) → ((𝑂‘(𝑂‘(𝐿‘𝐽))) = (𝐿‘𝐽) ∧ (𝐿‘𝐽) ∈ 𝑌))
13	12	simpld 499	. . . 4 ⊢ ((𝜑 ∧ (𝐽 ∈ 𝐹 ∧ (𝑂‘(𝑂‘(𝐿‘𝐽))) ∈ 𝑌)) → (𝑂‘(𝑂‘(𝐿‘𝐽))) = (𝐿‘𝐽))
14	13	ex 417	. . 3 ⊢ (𝜑 → ((𝐽 ∈ 𝐹 ∧ (𝑂‘(𝑂‘(𝐿‘𝐽))) ∈ 𝑌) → (𝑂‘(𝑂‘(𝐿‘𝐽))) = (𝐿‘𝐽)))
15	14	pm4.71rd 571	. 2 ⊢ (𝜑 → ((𝐽 ∈ 𝐹 ∧ (𝑂‘(𝑂‘(𝐿‘𝐽))) ∈ 𝑌) ↔ ((𝑂‘(𝑂‘(𝐿‘𝐽))) = (𝐿‘𝐽) ∧ (𝐽 ∈ 𝐹 ∧ (𝑂‘(𝑂‘(𝐿‘𝐽))) ∈ 𝑌))))
16		2fveq3 6886	. . . . 5 ⊢ (𝑔 = 𝐽 → (𝑂‘(𝐿‘𝑔)) = (𝑂‘(𝐿‘𝐽)))
17	16	fveq2d 6885	. . . 4 ⊢ (𝑔 = 𝐽 → (𝑂‘(𝑂‘(𝐿‘𝑔))) = (𝑂‘(𝑂‘(𝐿‘𝐽))))
18	17	eleq1d 2848	. . 3 ⊢ (𝑔 = 𝐽 → ((𝑂‘(𝑂‘(𝐿‘𝑔))) ∈ 𝑌 ↔ (𝑂‘(𝑂‘(𝐿‘𝐽))) ∈ 𝑌))
19		mapdordlem1a.t	. . 3 ⊢ 𝑇 = {𝑔 ∈ 𝐹 ∣ (𝑂‘(𝑂‘(𝐿‘𝑔))) ∈ 𝑌}
20	18, 19	elrab2 3654	. 2 ⊢ (𝐽 ∈ 𝑇 ↔ (𝐽 ∈ 𝐹 ∧ (𝑂‘(𝑂‘(𝐿‘𝐽))) ∈ 𝑌))
21		mapdordlem1a.c	. . . . 5 ⊢ 𝐶 = {𝑔 ∈ 𝐹 ∣ (𝑂‘(𝑂‘(𝐿‘𝑔))) = (𝐿‘𝑔)}
22	21	lcfl1lem 42265	. . . 4 ⊢ (𝐽 ∈ 𝐶 ↔ (𝐽 ∈ 𝐹 ∧ (𝑂‘(𝑂‘(𝐿‘𝐽))) = (𝐿‘𝐽)))
23	22	anbi1i 635	. . 3 ⊢ ((𝐽 ∈ 𝐶 ∧ (𝑂‘(𝑂‘(𝐿‘𝐽))) ∈ 𝑌) ↔ ((𝐽 ∈ 𝐹 ∧ (𝑂‘(𝑂‘(𝐿‘𝐽))) = (𝐿‘𝐽)) ∧ (𝑂‘(𝑂‘(𝐿‘𝐽))) ∈ 𝑌))
24		anass 473	. . 3 ⊢ (((𝐽 ∈ 𝐹 ∧ (𝑂‘(𝑂‘(𝐿‘𝐽))) = (𝐿‘𝐽)) ∧ (𝑂‘(𝑂‘(𝐿‘𝐽))) ∈ 𝑌) ↔ (𝐽 ∈ 𝐹 ∧ ((𝑂‘(𝑂‘(𝐿‘𝐽))) = (𝐿‘𝐽) ∧ (𝑂‘(𝑂‘(𝐿‘𝐽))) ∈ 𝑌)))
25		an12 657	. . 3 ⊢ ((𝐽 ∈ 𝐹 ∧ ((𝑂‘(𝑂‘(𝐿‘𝐽))) = (𝐿‘𝐽) ∧ (𝑂‘(𝑂‘(𝐿‘𝐽))) ∈ 𝑌)) ↔ ((𝑂‘(𝑂‘(𝐿‘𝐽))) = (𝐿‘𝐽) ∧ (𝐽 ∈ 𝐹 ∧ (𝑂‘(𝑂‘(𝐿‘𝐽))) ∈ 𝑌)))
26	23, 24, 25	3bitri 300	. 2 ⊢ ((𝐽 ∈ 𝐶 ∧ (𝑂‘(𝑂‘(𝐿‘𝐽))) ∈ 𝑌) ↔ ((𝑂‘(𝑂‘(𝐿‘𝐽))) = (𝐿‘𝐽) ∧ (𝐽 ∈ 𝐹 ∧ (𝑂‘(𝑂‘(𝐿‘𝐽))) ∈ 𝑌)))
27	15, 20, 26	3bitr4g 317	1 ⊢ (𝜑 → (𝐽 ∈ 𝑇 ↔ (𝐽 ∈ 𝐶 ∧ (𝑂‘(𝑂‘(𝐿‘𝐽))) ∈ 𝑌)))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 209 ∧ wa 400 = wceq 1570 ∈ wcel 2143 {crab 3416 ‘cfv 6536 Basecbs 17264 LSHypclsh 39749 LFnlclfn 39831 LKerclk 39859 HLchlt 40124 LHypclh 40758 DVecHcdvh 41852 ocHcoch 42121

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-rep 5238 ax-sep 5257 ax-nul 5269 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-cnex 11151 ax-resscn 11152 ax-1cn 11153 ax-icn 11154 ax-addcl 11155 ax-addrcl 11156 ax-mulcl 11157 ax-mulrcl 11158 ax-mulcom 11159 ax-addass 11160 ax-mulass 11161 ax-distr 11162 ax-i2m1 11163 ax-1ne0 11164 ax-1rid 11165 ax-rnegex 11166 ax-rrecex 11167 ax-cnre 11168 ax-pre-lttri 11169 ax-pre-lttrn 11170 ax-pre-ltadd 11171 ax-pre-mulgt0 11172 ax-riotaBAD 39727

This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-tp 4594 df-op 4596 df-uni 4873 df-int 4913 df-iun 4958 df-iin 4959 df-br 5110 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5556 df-eprel 5561 df-po 5569 df-so 5570 df-fr 5614 df-we 5616 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7367 df-ov 7413 df-oprab 7414 df-mpo 7415 df-om 7859 df-1st 7982 df-2nd 7983 df-tpos 8218 df-undef 8265 df-frecs 8274 df-wrecs 8305 df-recs 8354 df-rdg 8393 df-1o 8449 df-er 8690 df-map 8822 df-en 8940 df-dom 8941 df-sdom 8942 df-fin 8943 df-pnf 11240 df-mnf 11241 df-xr 11242 df-ltxr 11243 df-le 11244 df-sub 11438 df-neg 11439 df-nn 12229 df-2 12298 df-3 12299 df-4 12300 df-5 12301 df-6 12302 df-n0 12500 df-z 12587 df-uz 12858 df-fz 13531 df-struct 17202 df-sets 17219 df-slot 17237 df-ndx 17249 df-base 17265 df-ress 17286 df-plusg 17318 df-mulr 17319 df-sca 17321 df-vsca 17322 df-0g 17489 df-proset 18345 df-poset 18364 df-plt 18379 df-lub 18395 df-glb 18396 df-join 18397 df-meet 18398 df-p0 18474 df-p1 18475 df-lat 18483 df-clat 18550 df-mgm 18693 df-sgrp 18772 df-mnd 18788 df-submnd 18837 df-grp 18998 df-minusg 18999 df-sbg 19000 df-subg 19184 df-cntz 19382 df-lsm 19701 df-cmn 19847 df-abl 19848 df-mgp 20212 df-rng 20226 df-ur 20259 df-ring 20312 df-oppr 20415 df-dvdsr 20435 df-unit 20436 df-invr 20466 df-dvr 20479 df-drng 20829 df-lmod 20983 df-lss 21053 df-lsp 21093 df-lvec 21224 df-lsatoms 39750 df-lshyp 39751 df-lfl 39832 df-lkr 39860 df-oposet 39950 df-ol 39952 df-oml 39953 df-covers 40040 df-ats 40041 df-atl 40072 df-cvlat 40096 df-hlat 40125 df-llines 40272 df-lplanes 40273 df-lvols 40274 df-lines 40275 df-psubsp 40277 df-pmap 40278 df-padd 40570 df-lhyp 40762 df-laut 40763 df-ldil 40878 df-ltrn 40879 df-trl 40933 df-tendo 41529 df-edring 41531 df-disoa 41803 df-dvech 41853 df-dib 41913 df-dic 41947 df-dih 42003 df-doch 42122

This theorem is referenced by: mapdordlem2 42411

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