mapdpglem23 - Mathbox for Norm Megill

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Theorem mapdpglem23 39304

Description: Lemma for mapdpg 39316. Baer p. 45, line 10: "and so y' meets all our requirements." Our ℎ is Baer's y'. (Contributed by NM, 20-Mar-2015.)

**Hypotheses**
Ref	Expression
mapdpglem.h	⊢ 𝐻 = (LHyp‘𝐾)
mapdpglem.m	⊢ 𝑀 = ((mapd‘𝐾)‘𝑊)
mapdpglem.u	⊢ 𝑈 = ((DVecH‘𝐾)‘𝑊)
mapdpglem.v	⊢ 𝑉 = (Base‘𝑈)
mapdpglem.s	⊢ − = (-_g‘𝑈)
mapdpglem.n	⊢ 𝑁 = (LSpan‘𝑈)
mapdpglem.c	⊢ 𝐶 = ((LCDual‘𝐾)‘𝑊)
mapdpglem.k	⊢ (𝜑 → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
mapdpglem.x	⊢ (𝜑 → 𝑋 ∈ 𝑉)
mapdpglem.y	⊢ (𝜑 → 𝑌 ∈ 𝑉)
mapdpglem1.p	⊢ ⊕ = (LSSum‘𝐶)
mapdpglem2.j	⊢ 𝐽 = (LSpan‘𝐶)
mapdpglem3.f	⊢ 𝐹 = (Base‘𝐶)
mapdpglem3.te	⊢ (𝜑 → 𝑡 ∈ ((𝑀‘(𝑁‘{𝑋})) ⊕ (𝑀‘(𝑁‘{𝑌}))))
mapdpglem3.a	⊢ 𝐴 = (Scalar‘𝑈)
mapdpglem3.b	⊢ 𝐵 = (Base‘𝐴)
mapdpglem3.t	⊢ · = ( ·_𝑠 ‘𝐶)
mapdpglem3.r	⊢ 𝑅 = (-_g‘𝐶)
mapdpglem3.g	⊢ (𝜑 → 𝐺 ∈ 𝐹)
mapdpglem3.e	⊢ (𝜑 → (𝑀‘(𝑁‘{𝑋})) = (𝐽‘{𝐺}))
mapdpglem4.q	⊢ 𝑄 = (0_g‘𝑈)
mapdpglem.ne	⊢ (𝜑 → (𝑁‘{𝑋}) ≠ (𝑁‘{𝑌}))
mapdpglem4.jt	⊢ (𝜑 → (𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐽‘{𝑡}))
mapdpglem4.z	⊢ 0 = (0_g‘𝐴)
mapdpglem4.g4	⊢ (𝜑 → 𝑔 ∈ 𝐵)
mapdpglem4.z4	⊢ (𝜑 → 𝑧 ∈ (𝑀‘(𝑁‘{𝑌})))
mapdpglem4.t4	⊢ (𝜑 → 𝑡 = ((𝑔 · 𝐺)𝑅𝑧))
mapdpglem4.xn	⊢ (𝜑 → 𝑋 ≠ 𝑄)
mapdpglem12.yn	⊢ (𝜑 → 𝑌 ≠ 𝑄)
mapdpglem17.ep	⊢ 𝐸 = (((inv_r‘𝐴)‘𝑔) · 𝑧)

**Assertion**
Ref	Expression
mapdpglem23	⊢ (𝜑 → ∃ℎ ∈ 𝐹 ((𝑀‘(𝑁‘{𝑌})) = (𝐽‘{ℎ}) ∧ (𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐽‘{(𝐺𝑅ℎ)})))

Distinct variable groups: 𝑡, − 𝑡,𝐶 𝑡,𝐽 𝑡,𝑀 𝑡,𝑁 𝑡,𝑋 𝑡,𝑌 𝐵,𝑔 𝑧,𝑔,𝐶 𝑔,𝐹 𝑔,𝐺,𝑧 𝑔,𝐽,𝑧 𝑔,𝑀,𝑧 𝑔,𝑁,𝑧 𝑅,𝑔,𝑧 · ,𝑔,𝑧 𝑔,𝑌,𝑧,𝑡 ℎ,𝐸 ℎ,𝐹 ℎ,𝐺 ℎ,𝐽 ℎ,𝑀 ℎ,𝑁 𝑅,ℎ − ,ℎ ℎ,𝑋 ℎ,𝑌 Allowed substitution hints: 𝜑(𝑧,𝑡,𝑔,ℎ) 𝐴(𝑧,𝑡,𝑔,ℎ) 𝐵(𝑧,𝑡,ℎ) 𝐶(ℎ) ⊕ (𝑧,𝑡,𝑔,ℎ) 𝑄(𝑧,𝑡,𝑔,ℎ) 𝑅(𝑡) · (𝑡,ℎ) 𝑈(𝑧,𝑡,𝑔,ℎ) 𝐸(𝑧,𝑡,𝑔) 𝐹(𝑧,𝑡) 𝐺(𝑡) 𝐻(𝑧,𝑡,𝑔,ℎ) 𝐾(𝑧,𝑡,𝑔,ℎ) − (𝑧,𝑔) 𝑉(𝑧,𝑡,𝑔,ℎ) 𝑊(𝑧,𝑡,𝑔,ℎ) 𝑋(𝑧,𝑔) 0 (𝑧,𝑡,𝑔,ℎ)

**Proof of Theorem mapdpglem23**
Step	Hyp	Ref	Expression
1		mapdpglem.h	. . . 4 ⊢ 𝐻 = (LHyp‘𝐾)
2		mapdpglem.m	. . . 4 ⊢ 𝑀 = ((mapd‘𝐾)‘𝑊)
3		mapdpglem.u	. . . 4 ⊢ 𝑈 = ((DVecH‘𝐾)‘𝑊)
4		eqid 2758	. . . 4 ⊢ (LSubSp‘𝑈) = (LSubSp‘𝑈)
5		mapdpglem.c	. . . 4 ⊢ 𝐶 = ((LCDual‘𝐾)‘𝑊)
6		eqid 2758	. . . 4 ⊢ (LSubSp‘𝐶) = (LSubSp‘𝐶)
7		mapdpglem.k	. . . 4 ⊢ (𝜑 → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
8	1, 3, 7	dvhlmod 38720	. . . . 5 ⊢ (𝜑 → 𝑈 ∈ LMod)
9		mapdpglem.y	. . . . 5 ⊢ (𝜑 → 𝑌 ∈ 𝑉)
10		mapdpglem.v	. . . . . 6 ⊢ 𝑉 = (Base‘𝑈)
11		mapdpglem.n	. . . . . 6 ⊢ 𝑁 = (LSpan‘𝑈)
12	10, 4, 11	lspsncl 19830	. . . . 5 ⊢ ((𝑈 ∈ LMod ∧ 𝑌 ∈ 𝑉) → (𝑁‘{𝑌}) ∈ (LSubSp‘𝑈))
13	8, 9, 12	syl2anc 587	. . . 4 ⊢ (𝜑 → (𝑁‘{𝑌}) ∈ (LSubSp‘𝑈))
14	1, 2, 3, 4, 5, 6, 7, 13	mapdcl2 39266	. . 3 ⊢ (𝜑 → (𝑀‘(𝑁‘{𝑌})) ∈ (LSubSp‘𝐶))
15		mapdpglem.s	. . . 4 ⊢ − = (-_g‘𝑈)
16		mapdpglem.x	. . . 4 ⊢ (𝜑 → 𝑋 ∈ 𝑉)
17		mapdpglem1.p	. . . 4 ⊢ ⊕ = (LSSum‘𝐶)
18		mapdpglem2.j	. . . 4 ⊢ 𝐽 = (LSpan‘𝐶)
19		mapdpglem3.f	. . . 4 ⊢ 𝐹 = (Base‘𝐶)
20		mapdpglem3.te	. . . 4 ⊢ (𝜑 → 𝑡 ∈ ((𝑀‘(𝑁‘{𝑋})) ⊕ (𝑀‘(𝑁‘{𝑌}))))
21		mapdpglem3.a	. . . 4 ⊢ 𝐴 = (Scalar‘𝑈)
22		mapdpglem3.b	. . . 4 ⊢ 𝐵 = (Base‘𝐴)
23		mapdpglem3.t	. . . 4 ⊢ · = ( ·_𝑠 ‘𝐶)
24		mapdpglem3.r	. . . 4 ⊢ 𝑅 = (-_g‘𝐶)
25		mapdpglem3.g	. . . 4 ⊢ (𝜑 → 𝐺 ∈ 𝐹)
26		mapdpglem3.e	. . . 4 ⊢ (𝜑 → (𝑀‘(𝑁‘{𝑋})) = (𝐽‘{𝐺}))
27		mapdpglem4.q	. . . 4 ⊢ 𝑄 = (0_g‘𝑈)
28		mapdpglem.ne	. . . 4 ⊢ (𝜑 → (𝑁‘{𝑋}) ≠ (𝑁‘{𝑌}))
29		mapdpglem4.jt	. . . 4 ⊢ (𝜑 → (𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐽‘{𝑡}))
30		mapdpglem4.z	. . . 4 ⊢ 0 = (0_g‘𝐴)
31		mapdpglem4.g4	. . . 4 ⊢ (𝜑 → 𝑔 ∈ 𝐵)
32		mapdpglem4.z4	. . . 4 ⊢ (𝜑 → 𝑧 ∈ (𝑀‘(𝑁‘{𝑌})))
33		mapdpglem4.t4	. . . 4 ⊢ (𝜑 → 𝑡 = ((𝑔 · 𝐺)𝑅𝑧))
34		mapdpglem4.xn	. . . 4 ⊢ (𝜑 → 𝑋 ≠ 𝑄)
35		mapdpglem12.yn	. . . 4 ⊢ (𝜑 → 𝑌 ≠ 𝑄)
36		mapdpglem17.ep	. . . 4 ⊢ 𝐸 = (((inv_r‘𝐴)‘𝑔) · 𝑧)
37	1, 2, 3, 10, 15, 11, 5, 7, 16, 9, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36	mapdpglem19 39300	. . 3 ⊢ (𝜑 → 𝐸 ∈ (𝑀‘(𝑁‘{𝑌})))
38	19, 6	lssel 19790	. . 3 ⊢ (((𝑀‘(𝑁‘{𝑌})) ∈ (LSubSp‘𝐶) ∧ 𝐸 ∈ (𝑀‘(𝑁‘{𝑌}))) → 𝐸 ∈ 𝐹)
39	14, 37, 38	syl2anc 587	. 2 ⊢ (𝜑 → 𝐸 ∈ 𝐹)
40	1, 2, 3, 10, 15, 11, 5, 7, 16, 9, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36	mapdpglem20 39301	. 2 ⊢ (𝜑 → (𝑀‘(𝑁‘{𝑌})) = (𝐽‘{𝐸}))
41	1, 2, 3, 10, 15, 11, 5, 7, 16, 9, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36	mapdpglem22 39303	. 2 ⊢ (𝜑 → (𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐽‘{(𝐺𝑅𝐸)}))
42		sneq 4535	. . . . . 6 ⊢ (ℎ = 𝐸 → {ℎ} = {𝐸})
43	42	fveq2d 6667	. . . . 5 ⊢ (ℎ = 𝐸 → (𝐽‘{ℎ}) = (𝐽‘{𝐸}))
44	43	eqeq2d 2769	. . . 4 ⊢ (ℎ = 𝐸 → ((𝑀‘(𝑁‘{𝑌})) = (𝐽‘{ℎ}) ↔ (𝑀‘(𝑁‘{𝑌})) = (𝐽‘{𝐸})))
45		oveq2 7164	. . . . . . 7 ⊢ (ℎ = 𝐸 → (𝐺𝑅ℎ) = (𝐺𝑅𝐸))
46	45	sneqd 4537	. . . . . 6 ⊢ (ℎ = 𝐸 → {(𝐺𝑅ℎ)} = {(𝐺𝑅𝐸)})
47	46	fveq2d 6667	. . . . 5 ⊢ (ℎ = 𝐸 → (𝐽‘{(𝐺𝑅ℎ)}) = (𝐽‘{(𝐺𝑅𝐸)}))
48	47	eqeq2d 2769	. . . 4 ⊢ (ℎ = 𝐸 → ((𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐽‘{(𝐺𝑅ℎ)}) ↔ (𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐽‘{(𝐺𝑅𝐸)})))
49	44, 48	anbi12d 633	. . 3 ⊢ (ℎ = 𝐸 → (((𝑀‘(𝑁‘{𝑌})) = (𝐽‘{ℎ}) ∧ (𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐽‘{(𝐺𝑅ℎ)})) ↔ ((𝑀‘(𝑁‘{𝑌})) = (𝐽‘{𝐸}) ∧ (𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐽‘{(𝐺𝑅𝐸)}))))
50	49	rspcev 3543	. 2 ⊢ ((𝐸 ∈ 𝐹 ∧ ((𝑀‘(𝑁‘{𝑌})) = (𝐽‘{𝐸}) ∧ (𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐽‘{(𝐺𝑅𝐸)}))) → ∃ℎ ∈ 𝐹 ((𝑀‘(𝑁‘{𝑌})) = (𝐽‘{ℎ}) ∧ (𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐽‘{(𝐺𝑅ℎ)})))
51	39, 40, 41, 50	syl12anc 835	1 ⊢ (𝜑 → ∃ℎ ∈ 𝐹 ((𝑀‘(𝑁‘{𝑌})) = (𝐽‘{ℎ}) ∧ (𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐽‘{(𝐺𝑅ℎ)})))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 399 = wceq 1538 ∈ wcel 2111 ≠ wne 2951 ∃wrex 3071 {csn 4525 ‘cfv 6340 (class class class)co 7156 Basecbs 16554 Scalarcsca 16639 ·_𝑠 cvsca 16640 0_gc0g 16784 -_gcsg 18184 LSSumclsm 18839 inv_rcinvr 19505 LModclmod 19715 LSubSpclss 19784 LSpanclspn 19824 HLchlt 36960 LHypclh 37594 DVecHcdvh 38688 LCDualclcd 39196 mapdcmpd 39234

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 2729 ax-rep 5160 ax-sep 5173 ax-nul 5180 ax-pow 5238 ax-pr 5302 ax-un 7465 ax-cnex 10644 ax-resscn 10645 ax-1cn 10646 ax-icn 10647 ax-addcl 10648 ax-addrcl 10649 ax-mulcl 10650 ax-mulrcl 10651 ax-mulcom 10652 ax-addass 10653 ax-mulass 10654 ax-distr 10655 ax-i2m1 10656 ax-1ne0 10657 ax-1rid 10658 ax-rnegex 10659 ax-rrecex 10660 ax-cnre 10661 ax-pre-lttri 10662 ax-pre-lttrn 10663 ax-pre-ltadd 10664 ax-pre-mulgt0 10665 ax-riotaBAD 36563

This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-fal 1551 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2557 df-eu 2588 df-clab 2736 df-cleq 2750 df-clel 2830 df-nfc 2901 df-ne 2952 df-nel 3056 df-ral 3075 df-rex 3076 df-reu 3077 df-rmo 3078 df-rab 3079 df-v 3411 df-sbc 3699 df-csb 3808 df-dif 3863 df-un 3865 df-in 3867 df-ss 3877 df-pss 3879 df-nul 4228 df-if 4424 df-pw 4499 df-sn 4526 df-pr 4528 df-tp 4530 df-op 4532 df-uni 4802 df-int 4842 df-iun 4888 df-iin 4889 df-br 5037 df-opab 5099 df-mpt 5117 df-tr 5143 df-id 5434 df-eprel 5439 df-po 5447 df-so 5448 df-fr 5487 df-we 5489 df-xp 5534 df-rel 5535 df-cnv 5536 df-co 5537 df-dm 5538 df-rn 5539 df-res 5540 df-ima 5541 df-pred 6131 df-ord 6177 df-on 6178 df-lim 6179 df-suc 6180 df-iota 6299 df-fun 6342 df-fn 6343 df-f 6344 df-f1 6345 df-fo 6346 df-f1o 6347 df-fv 6348 df-riota 7114 df-ov 7159 df-oprab 7160 df-mpo 7161 df-of 7411 df-om 7586 df-1st 7699 df-2nd 7700 df-tpos 7908 df-undef 7955 df-wrecs 7963 df-recs 8024 df-rdg 8062 df-1o 8118 df-er 8305 df-map 8424 df-en 8541 df-dom 8542 df-sdom 8543 df-fin 8544 df-pnf 10728 df-mnf 10729 df-xr 10730 df-ltxr 10731 df-le 10732 df-sub 10923 df-neg 10924 df-nn 11688 df-2 11750 df-3 11751 df-4 11752 df-5 11753 df-6 11754 df-n0 11948 df-z 12034 df-uz 12296 df-fz 12953 df-struct 16556 df-ndx 16557 df-slot 16558 df-base 16560 df-sets 16561 df-ress 16562 df-plusg 16649 df-mulr 16650 df-sca 16652 df-vsca 16653 df-0g 16786 df-mre 16928 df-mrc 16929 df-acs 16931 df-proset 17617 df-poset 17635 df-plt 17647 df-lub 17663 df-glb 17664 df-join 17665 df-meet 17666 df-p0 17728 df-p1 17729 df-lat 17735 df-clat 17797 df-mgm 17931 df-sgrp 17980 df-mnd 17991 df-submnd 18036 df-grp 18185 df-minusg 18186 df-sbg 18187 df-subg 18356 df-cntz 18527 df-oppg 18554 df-lsm 18841 df-cmn 18988 df-abl 18989 df-mgp 19321 df-ur 19333 df-ring 19380 df-oppr 19457 df-dvdsr 19475 df-unit 19476 df-invr 19506 df-dvr 19517 df-drng 19585 df-lmod 19717 df-lss 19785 df-lsp 19825 df-lvec 19956 df-lsatoms 36586 df-lshyp 36587 df-lcv 36629 df-lfl 36668 df-lkr 36696 df-ldual 36734 df-oposet 36786 df-ol 36788 df-oml 36789 df-covers 36876 df-ats 36877 df-atl 36908 df-cvlat 36932 df-hlat 36961 df-llines 37108 df-lplanes 37109 df-lvols 37110 df-lines 37111 df-psubsp 37113 df-pmap 37114 df-padd 37406 df-lhyp 37598 df-laut 37599 df-ldil 37714 df-ltrn 37715 df-trl 37769 df-tgrp 38353 df-tendo 38365 df-edring 38367 df-dveca 38613 df-disoa 38639 df-dvech 38689 df-dib 38749 df-dic 38783 df-dih 38839 df-doch 38958 df-djh 39005 df-lcdual 39197 df-mapd 39235

This theorem is referenced by: mapdpglem24 39314

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