mapdin - Mathbox for Norm Megill

	Mathbox for Norm Megill		< Previous Next > Nearby theorems
Mirrors > Home > MPE Home > Th. List > Mathboxes > mapdin		Structured version Visualization version GIF version

Theorem mapdin 41663

Description: Subspace intersection is preserved by the map defined by df-mapd 41626. Part of property (e) in [Baer] p. 40. (Contributed by NM, 12-Apr-2015.)

**Hypotheses**
Ref	Expression
mapdin.h	⊢ 𝐻 = (LHyp‘𝐾)
mapdin.m	⊢ 𝑀 = ((mapd‘𝐾)‘𝑊)
mapdin.u	⊢ 𝑈 = ((DVecH‘𝐾)‘𝑊)
mapdin.s	⊢ 𝑆 = (LSubSp‘𝑈)
mapdin.k	⊢ (𝜑 → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
mapdin.x	⊢ (𝜑 → 𝑋 ∈ 𝑆)
mapdin.y	⊢ (𝜑 → 𝑌 ∈ 𝑆)

**Assertion**
Ref	Expression
mapdin	⊢ (𝜑 → (𝑀‘(𝑋 ∩ 𝑌)) = ((𝑀‘𝑋) ∩ (𝑀‘𝑌)))

**Proof of Theorem mapdin**
Step	Hyp	Ref	Expression
1		inss1 4203	. . . 4 ⊢ (𝑋 ∩ 𝑌) ⊆ 𝑋
2		mapdin.h	. . . . 5 ⊢ 𝐻 = (LHyp‘𝐾)
3		mapdin.u	. . . . 5 ⊢ 𝑈 = ((DVecH‘𝐾)‘𝑊)
4		mapdin.s	. . . . 5 ⊢ 𝑆 = (LSubSp‘𝑈)
5		mapdin.m	. . . . 5 ⊢ 𝑀 = ((mapd‘𝐾)‘𝑊)
6		mapdin.k	. . . . 5 ⊢ (𝜑 → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
7	2, 3, 6	dvhlmod 41111	. . . . . 6 ⊢ (𝜑 → 𝑈 ∈ LMod)
8		mapdin.x	. . . . . 6 ⊢ (𝜑 → 𝑋 ∈ 𝑆)
9		mapdin.y	. . . . . 6 ⊢ (𝜑 → 𝑌 ∈ 𝑆)
10	4	lssincl 20878	. . . . . 6 ⊢ ((𝑈 ∈ LMod ∧ 𝑋 ∈ 𝑆 ∧ 𝑌 ∈ 𝑆) → (𝑋 ∩ 𝑌) ∈ 𝑆)
11	7, 8, 9, 10	syl3anc 1373	. . . . 5 ⊢ (𝜑 → (𝑋 ∩ 𝑌) ∈ 𝑆)
12	2, 3, 4, 5, 6, 11, 8	mapdord 41639	. . . 4 ⊢ (𝜑 → ((𝑀‘(𝑋 ∩ 𝑌)) ⊆ (𝑀‘𝑋) ↔ (𝑋 ∩ 𝑌) ⊆ 𝑋))
13	1, 12	mpbiri 258	. . 3 ⊢ (𝜑 → (𝑀‘(𝑋 ∩ 𝑌)) ⊆ (𝑀‘𝑋))
14		inss2 4204	. . . 4 ⊢ (𝑋 ∩ 𝑌) ⊆ 𝑌
15	2, 3, 4, 5, 6, 11, 9	mapdord 41639	. . . 4 ⊢ (𝜑 → ((𝑀‘(𝑋 ∩ 𝑌)) ⊆ (𝑀‘𝑌) ↔ (𝑋 ∩ 𝑌) ⊆ 𝑌))
16	14, 15	mpbiri 258	. . 3 ⊢ (𝜑 → (𝑀‘(𝑋 ∩ 𝑌)) ⊆ (𝑀‘𝑌))
17	13, 16	ssind 4207	. 2 ⊢ (𝜑 → (𝑀‘(𝑋 ∩ 𝑌)) ⊆ ((𝑀‘𝑋) ∩ (𝑀‘𝑌)))
18		eqid 2730	. . . . 5 ⊢ ((LCDual‘𝐾)‘𝑊) = ((LCDual‘𝐾)‘𝑊)
19		eqid 2730	. . . . . . 7 ⊢ (LSubSp‘((LCDual‘𝐾)‘𝑊)) = (LSubSp‘((LCDual‘𝐾)‘𝑊))
20	2, 5, 3, 4, 18, 19, 6, 8	mapdcl2 41657	. . . . . 6 ⊢ (𝜑 → (𝑀‘𝑋) ∈ (LSubSp‘((LCDual‘𝐾)‘𝑊)))
21	2, 5, 18, 19, 6	mapdrn2 41652	. . . . . 6 ⊢ (𝜑 → ran 𝑀 = (LSubSp‘((LCDual‘𝐾)‘𝑊)))
22	20, 21	eleqtrrd 2832	. . . . 5 ⊢ (𝜑 → (𝑀‘𝑋) ∈ ran 𝑀)
23	2, 5, 3, 4, 18, 19, 6, 9	mapdcl2 41657	. . . . . 6 ⊢ (𝜑 → (𝑀‘𝑌) ∈ (LSubSp‘((LCDual‘𝐾)‘𝑊)))
24	23, 21	eleqtrrd 2832	. . . . 5 ⊢ (𝜑 → (𝑀‘𝑌) ∈ ran 𝑀)
25	2, 5, 3, 18, 6, 22, 24	mapdincl 41662	. . . 4 ⊢ (𝜑 → ((𝑀‘𝑋) ∩ (𝑀‘𝑌)) ∈ ran 𝑀)
26	2, 5, 6, 25	mapdcnvid2 41658	. . 3 ⊢ (𝜑 → (𝑀‘(^◡𝑀‘((𝑀‘𝑋) ∩ (𝑀‘𝑌)))) = ((𝑀‘𝑋) ∩ (𝑀‘𝑌)))
27		inss1 4203	. . . . . . 7 ⊢ ((𝑀‘𝑋) ∩ (𝑀‘𝑌)) ⊆ (𝑀‘𝑋)
28	26, 27	eqsstrdi 3994	. . . . . 6 ⊢ (𝜑 → (𝑀‘(^◡𝑀‘((𝑀‘𝑋) ∩ (𝑀‘𝑌)))) ⊆ (𝑀‘𝑋))
29	2, 18, 6	lcdlmod 41593	. . . . . . . . . 10 ⊢ (𝜑 → ((LCDual‘𝐾)‘𝑊) ∈ LMod)
30	19	lssincl 20878	. . . . . . . . . 10 ⊢ ((((LCDual‘𝐾)‘𝑊) ∈ LMod ∧ (𝑀‘𝑋) ∈ (LSubSp‘((LCDual‘𝐾)‘𝑊)) ∧ (𝑀‘𝑌) ∈ (LSubSp‘((LCDual‘𝐾)‘𝑊))) → ((𝑀‘𝑋) ∩ (𝑀‘𝑌)) ∈ (LSubSp‘((LCDual‘𝐾)‘𝑊)))
31	29, 20, 23, 30	syl3anc 1373	. . . . . . . . 9 ⊢ (𝜑 → ((𝑀‘𝑋) ∩ (𝑀‘𝑌)) ∈ (LSubSp‘((LCDual‘𝐾)‘𝑊)))
32	31, 21	eleqtrrd 2832	. . . . . . . 8 ⊢ (𝜑 → ((𝑀‘𝑋) ∩ (𝑀‘𝑌)) ∈ ran 𝑀)
33	2, 5, 3, 4, 6, 32	mapdcnvcl 41653	. . . . . . 7 ⊢ (𝜑 → (^◡𝑀‘((𝑀‘𝑋) ∩ (𝑀‘𝑌))) ∈ 𝑆)
34	2, 3, 4, 5, 6, 33, 8	mapdord 41639	. . . . . 6 ⊢ (𝜑 → ((𝑀‘(^◡𝑀‘((𝑀‘𝑋) ∩ (𝑀‘𝑌)))) ⊆ (𝑀‘𝑋) ↔ (^◡𝑀‘((𝑀‘𝑋) ∩ (𝑀‘𝑌))) ⊆ 𝑋))
35	28, 34	mpbid 232	. . . . 5 ⊢ (𝜑 → (^◡𝑀‘((𝑀‘𝑋) ∩ (𝑀‘𝑌))) ⊆ 𝑋)
36	2, 5, 6, 32	mapdcnvid2 41658	. . . . . . 7 ⊢ (𝜑 → (𝑀‘(^◡𝑀‘((𝑀‘𝑋) ∩ (𝑀‘𝑌)))) = ((𝑀‘𝑋) ∩ (𝑀‘𝑌)))
37		inss2 4204	. . . . . . 7 ⊢ ((𝑀‘𝑋) ∩ (𝑀‘𝑌)) ⊆ (𝑀‘𝑌)
38	36, 37	eqsstrdi 3994	. . . . . 6 ⊢ (𝜑 → (𝑀‘(^◡𝑀‘((𝑀‘𝑋) ∩ (𝑀‘𝑌)))) ⊆ (𝑀‘𝑌))
39	2, 3, 4, 5, 6, 33, 9	mapdord 41639	. . . . . 6 ⊢ (𝜑 → ((𝑀‘(^◡𝑀‘((𝑀‘𝑋) ∩ (𝑀‘𝑌)))) ⊆ (𝑀‘𝑌) ↔ (^◡𝑀‘((𝑀‘𝑋) ∩ (𝑀‘𝑌))) ⊆ 𝑌))
40	38, 39	mpbid 232	. . . . 5 ⊢ (𝜑 → (^◡𝑀‘((𝑀‘𝑋) ∩ (𝑀‘𝑌))) ⊆ 𝑌)
41	35, 40	ssind 4207	. . . 4 ⊢ (𝜑 → (^◡𝑀‘((𝑀‘𝑋) ∩ (𝑀‘𝑌))) ⊆ (𝑋 ∩ 𝑌))
42	2, 3, 4, 5, 6, 33, 11	mapdord 41639	. . . 4 ⊢ (𝜑 → ((𝑀‘(^◡𝑀‘((𝑀‘𝑋) ∩ (𝑀‘𝑌)))) ⊆ (𝑀‘(𝑋 ∩ 𝑌)) ↔ (^◡𝑀‘((𝑀‘𝑋) ∩ (𝑀‘𝑌))) ⊆ (𝑋 ∩ 𝑌)))
43	41, 42	mpbird 257	. . 3 ⊢ (𝜑 → (𝑀‘(^◡𝑀‘((𝑀‘𝑋) ∩ (𝑀‘𝑌)))) ⊆ (𝑀‘(𝑋 ∩ 𝑌)))
44	26, 43	eqsstrrd 3985	. 2 ⊢ (𝜑 → ((𝑀‘𝑋) ∩ (𝑀‘𝑌)) ⊆ (𝑀‘(𝑋 ∩ 𝑌)))
45	17, 44	eqssd 3967	1 ⊢ (𝜑 → (𝑀‘(𝑋 ∩ 𝑌)) = ((𝑀‘𝑋) ∩ (𝑀‘𝑌)))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 395 = wceq 1540 ∈ wcel 2109 ∩ cin 3916 ⊆ wss 3917 ^◡ccnv 5640 ran crn 5642 ‘cfv 6514 LModclmod 20773 LSubSpclss 20844 HLchlt 39350 LHypclh 39985 DVecHcdvh 41079 LCDualclcd 41587 mapdcmpd 41625

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 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2702 ax-rep 5237 ax-sep 5254 ax-nul 5264 ax-pow 5323 ax-pr 5390 ax-un 7714 ax-cnex 11131 ax-resscn 11132 ax-1cn 11133 ax-icn 11134 ax-addcl 11135 ax-addrcl 11136 ax-mulcl 11137 ax-mulrcl 11138 ax-mulcom 11139 ax-addass 11140 ax-mulass 11141 ax-distr 11142 ax-i2m1 11143 ax-1ne0 11144 ax-1rid 11145 ax-rnegex 11146 ax-rrecex 11147 ax-cnre 11148 ax-pre-lttri 11149 ax-pre-lttrn 11150 ax-pre-ltadd 11151 ax-pre-mulgt0 11152 ax-riotaBAD 38953

This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2534 df-eu 2563 df-clab 2709 df-cleq 2722 df-clel 2804 df-nfc 2879 df-ne 2927 df-nel 3031 df-ral 3046 df-rex 3055 df-rmo 3356 df-reu 3357 df-rab 3409 df-v 3452 df-sbc 3757 df-csb 3866 df-dif 3920 df-un 3922 df-in 3924 df-ss 3934 df-pss 3937 df-nul 4300 df-if 4492 df-pw 4568 df-sn 4593 df-pr 4595 df-tp 4597 df-op 4599 df-uni 4875 df-int 4914 df-iun 4960 df-iin 4961 df-br 5111 df-opab 5173 df-mpt 5192 df-tr 5218 df-id 5536 df-eprel 5541 df-po 5549 df-so 5550 df-fr 5594 df-we 5596 df-xp 5647 df-rel 5648 df-cnv 5649 df-co 5650 df-dm 5651 df-rn 5652 df-res 5653 df-ima 5654 df-pred 6277 df-ord 6338 df-on 6339 df-lim 6340 df-suc 6341 df-iota 6467 df-fun 6516 df-fn 6517 df-f 6518 df-f1 6519 df-fo 6520 df-f1o 6521 df-fv 6522 df-riota 7347 df-ov 7393 df-oprab 7394 df-mpo 7395 df-of 7656 df-om 7846 df-1st 7971 df-2nd 7972 df-tpos 8208 df-undef 8255 df-frecs 8263 df-wrecs 8294 df-recs 8343 df-rdg 8381 df-1o 8437 df-2o 8438 df-er 8674 df-map 8804 df-en 8922 df-dom 8923 df-sdom 8924 df-fin 8925 df-pnf 11217 df-mnf 11218 df-xr 11219 df-ltxr 11220 df-le 11221 df-sub 11414 df-neg 11415 df-nn 12194 df-2 12256 df-3 12257 df-4 12258 df-5 12259 df-6 12260 df-n0 12450 df-z 12537 df-uz 12801 df-fz 13476 df-struct 17124 df-sets 17141 df-slot 17159 df-ndx 17171 df-base 17187 df-ress 17208 df-plusg 17240 df-mulr 17241 df-sca 17243 df-vsca 17244 df-0g 17411 df-mre 17554 df-mrc 17555 df-acs 17557 df-proset 18262 df-poset 18281 df-plt 18296 df-lub 18312 df-glb 18313 df-join 18314 df-meet 18315 df-p0 18391 df-p1 18392 df-lat 18398 df-clat 18465 df-mgm 18574 df-sgrp 18653 df-mnd 18669 df-submnd 18718 df-grp 18875 df-minusg 18876 df-sbg 18877 df-subg 19062 df-cntz 19256 df-oppg 19285 df-lsm 19573 df-cmn 19719 df-abl 19720 df-mgp 20057 df-rng 20069 df-ur 20098 df-ring 20151 df-oppr 20253 df-dvdsr 20273 df-unit 20274 df-invr 20304 df-dvr 20317 df-nzr 20429 df-rlreg 20610 df-domn 20611 df-drng 20647 df-lmod 20775 df-lss 20845 df-lsp 20885 df-lvec 21017 df-lsatoms 38976 df-lshyp 38977 df-lcv 39019 df-lfl 39058 df-lkr 39086 df-ldual 39124 df-oposet 39176 df-ol 39178 df-oml 39179 df-covers 39266 df-ats 39267 df-atl 39298 df-cvlat 39322 df-hlat 39351 df-llines 39499 df-lplanes 39500 df-lvols 39501 df-lines 39502 df-psubsp 39504 df-pmap 39505 df-padd 39797 df-lhyp 39989 df-laut 39990 df-ldil 40105 df-ltrn 40106 df-trl 40160 df-tgrp 40744 df-tendo 40756 df-edring 40758 df-dveca 41004 df-disoa 41030 df-dvech 41080 df-dib 41140 df-dic 41174 df-dih 41230 df-doch 41349 df-djh 41396 df-lcdual 41588 df-mapd 41626

This theorem is referenced by: mapdheq4lem 41732 mapdh6lem1N 41734 mapdh6lem2N 41735 hdmap1l6lem1 41808 hdmap1l6lem2 41809

W3C validator