lkrss2N - Mathbox for Norm Megill

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Theorem lkrss2N 38673

Description: Two functionals with kernels in a subset relationship. (Contributed by NM, 17-Feb-2015.) (New usage is discouraged.)

**Hypotheses**
Ref	Expression
lkrss2.s	⊢ 𝑆 = (Scalar‘𝑊)
lkrss2.r	⊢ 𝑅 = (Base‘𝑆)
lkrss2.f	⊢ 𝐹 = (LFnl‘𝑊)
lkrss2.k	⊢ 𝐾 = (LKer‘𝑊)
lkrss2.d	⊢ 𝐷 = (LDual‘𝑊)
lkrss2.t	⊢ · = ( ·_𝑠 ‘𝐷)
lkrss2.w	⊢ (𝜑 → 𝑊 ∈ LVec)
lkrss2.g	⊢ (𝜑 → 𝐺 ∈ 𝐹)
lkrss2.h	⊢ (𝜑 → 𝐻 ∈ 𝐹)

**Assertion**
Ref	Expression
lkrss2N	⊢ (𝜑 → ((𝐾‘𝐺) ⊆ (𝐾‘𝐻) ↔ ∃𝑟 ∈ 𝑅 𝐻 = (𝑟 · 𝐺)))

Distinct variable groups: 𝐹,𝑟 𝐺,𝑟 𝐻,𝑟 𝐾,𝑟 𝑅,𝑟 𝑆,𝑟 𝑊,𝑟 𝜑,𝑟 · ,𝑟 Allowed substitution hint: 𝐷(𝑟)

**Proof of Theorem lkrss2N**
Step	Hyp	Ref	Expression
1		sspss 4099	. . 3 ⊢ ((𝐾‘𝐺) ⊆ (𝐾‘𝐻) ↔ ((𝐾‘𝐺) ⊊ (𝐾‘𝐻) ∨ (𝐾‘𝐺) = (𝐾‘𝐻)))
2		lkrss2.f	. . . . . . 7 ⊢ 𝐹 = (LFnl‘𝑊)
3		lkrss2.k	. . . . . . 7 ⊢ 𝐾 = (LKer‘𝑊)
4		lkrss2.d	. . . . . . 7 ⊢ 𝐷 = (LDual‘𝑊)
5		eqid 2728	. . . . . . 7 ⊢ (0_g‘𝐷) = (0_g‘𝐷)
6		lkrss2.w	. . . . . . 7 ⊢ (𝜑 → 𝑊 ∈ LVec)
7		lkrss2.g	. . . . . . 7 ⊢ (𝜑 → 𝐺 ∈ 𝐹)
8		lkrss2.h	. . . . . . 7 ⊢ (𝜑 → 𝐻 ∈ 𝐹)
9	2, 3, 4, 5, 6, 7, 8	lkrpssN 38667	. . . . . 6 ⊢ (𝜑 → ((𝐾‘𝐺) ⊊ (𝐾‘𝐻) ↔ (𝐺 ≠ (0_g‘𝐷) ∧ 𝐻 = (0_g‘𝐷))))
10		lveclmod 20998	. . . . . . . . . . . 12 ⊢ (𝑊 ∈ LVec → 𝑊 ∈ LMod)
11	6, 10	syl 17	. . . . . . . . . . 11 ⊢ (𝜑 → 𝑊 ∈ LMod)
12		lkrss2.s	. . . . . . . . . . . 12 ⊢ 𝑆 = (Scalar‘𝑊)
13		lkrss2.r	. . . . . . . . . . . 12 ⊢ 𝑅 = (Base‘𝑆)
14		eqid 2728	. . . . . . . . . . . 12 ⊢ (0_g‘𝑆) = (0_g‘𝑆)
15	12, 13, 14	lmod0cl 20778	. . . . . . . . . . 11 ⊢ (𝑊 ∈ LMod → (0_g‘𝑆) ∈ 𝑅)
16	11, 15	syl 17	. . . . . . . . . 10 ⊢ (𝜑 → (0_g‘𝑆) ∈ 𝑅)
17	16	adantr 479	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝐻 = (0_g‘𝐷)) → (0_g‘𝑆) ∈ 𝑅)
18		simpr 483	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝐻 = (0_g‘𝐷)) → 𝐻 = (0_g‘𝐷))
19		lkrss2.t	. . . . . . . . . . . 12 ⊢ · = ( ·_𝑠 ‘𝐷)
20	2, 12, 14, 4, 19, 5, 11, 7	ldual0vs 38664	. . . . . . . . . . 11 ⊢ (𝜑 → ((0_g‘𝑆) · 𝐺) = (0_g‘𝐷))
21	20	adantr 479	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝐻 = (0_g‘𝐷)) → ((0_g‘𝑆) · 𝐺) = (0_g‘𝐷))
22	18, 21	eqtr4d 2771	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝐻 = (0_g‘𝐷)) → 𝐻 = ((0_g‘𝑆) · 𝐺))
23		oveq1 7433	. . . . . . . . . 10 ⊢ (𝑟 = (0_g‘𝑆) → (𝑟 · 𝐺) = ((0_g‘𝑆) · 𝐺))
24	23	rspceeqv 3633	. . . . . . . . 9 ⊢ (((0_g‘𝑆) ∈ 𝑅 ∧ 𝐻 = ((0_g‘𝑆) · 𝐺)) → ∃𝑟 ∈ 𝑅 𝐻 = (𝑟 · 𝐺))
25	17, 22, 24	syl2anc 582	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝐻 = (0_g‘𝐷)) → ∃𝑟 ∈ 𝑅 𝐻 = (𝑟 · 𝐺))
26	25	ex 411	. . . . . . 7 ⊢ (𝜑 → (𝐻 = (0_g‘𝐷) → ∃𝑟 ∈ 𝑅 𝐻 = (𝑟 · 𝐺)))
27	26	adantld 489	. . . . . 6 ⊢ (𝜑 → ((𝐺 ≠ (0_g‘𝐷) ∧ 𝐻 = (0_g‘𝐷)) → ∃𝑟 ∈ 𝑅 𝐻 = (𝑟 · 𝐺)))
28	9, 27	sylbid 239	. . . . 5 ⊢ (𝜑 → ((𝐾‘𝐺) ⊊ (𝐾‘𝐻) → ∃𝑟 ∈ 𝑅 𝐻 = (𝑟 · 𝐺)))
29	28	imp 405	. . . 4 ⊢ ((𝜑 ∧ (𝐾‘𝐺) ⊊ (𝐾‘𝐻)) → ∃𝑟 ∈ 𝑅 𝐻 = (𝑟 · 𝐺))
30	6	adantr 479	. . . . 5 ⊢ ((𝜑 ∧ (𝐾‘𝐺) = (𝐾‘𝐻)) → 𝑊 ∈ LVec)
31	7	adantr 479	. . . . 5 ⊢ ((𝜑 ∧ (𝐾‘𝐺) = (𝐾‘𝐻)) → 𝐺 ∈ 𝐹)
32	8	adantr 479	. . . . 5 ⊢ ((𝜑 ∧ (𝐾‘𝐺) = (𝐾‘𝐻)) → 𝐻 ∈ 𝐹)
33		simpr 483	. . . . 5 ⊢ ((𝜑 ∧ (𝐾‘𝐺) = (𝐾‘𝐻)) → (𝐾‘𝐺) = (𝐾‘𝐻))
34	12, 13, 2, 3, 4, 19, 30, 31, 32, 33	eqlkr4 38669	. . . 4 ⊢ ((𝜑 ∧ (𝐾‘𝐺) = (𝐾‘𝐻)) → ∃𝑟 ∈ 𝑅 𝐻 = (𝑟 · 𝐺))
35	29, 34	jaodan 955	. . 3 ⊢ ((𝜑 ∧ ((𝐾‘𝐺) ⊊ (𝐾‘𝐻) ∨ (𝐾‘𝐺) = (𝐾‘𝐻))) → ∃𝑟 ∈ 𝑅 𝐻 = (𝑟 · 𝐺))
36	1, 35	sylan2b 592	. 2 ⊢ ((𝜑 ∧ (𝐾‘𝐺) ⊆ (𝐾‘𝐻)) → ∃𝑟 ∈ 𝑅 𝐻 = (𝑟 · 𝐺))
37	6	adantr 479	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑟 ∈ 𝑅) → 𝑊 ∈ LVec)
38	7	adantr 479	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑟 ∈ 𝑅) → 𝐺 ∈ 𝐹)
39		simpr 483	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑟 ∈ 𝑅) → 𝑟 ∈ 𝑅)
40	12, 13, 2, 3, 4, 19, 37, 38, 39	lkrss 38672	. . . . . 6 ⊢ ((𝜑 ∧ 𝑟 ∈ 𝑅) → (𝐾‘𝐺) ⊆ (𝐾‘(𝑟 · 𝐺)))
41	40	ex 411	. . . . 5 ⊢ (𝜑 → (𝑟 ∈ 𝑅 → (𝐾‘𝐺) ⊆ (𝐾‘(𝑟 · 𝐺))))
42		fveq2 6902	. . . . . . 7 ⊢ (𝐻 = (𝑟 · 𝐺) → (𝐾‘𝐻) = (𝐾‘(𝑟 · 𝐺)))
43	42	sseq2d 4014	. . . . . 6 ⊢ (𝐻 = (𝑟 · 𝐺) → ((𝐾‘𝐺) ⊆ (𝐾‘𝐻) ↔ (𝐾‘𝐺) ⊆ (𝐾‘(𝑟 · 𝐺))))
44	43	biimprcd 249	. . . . 5 ⊢ ((𝐾‘𝐺) ⊆ (𝐾‘(𝑟 · 𝐺)) → (𝐻 = (𝑟 · 𝐺) → (𝐾‘𝐺) ⊆ (𝐾‘𝐻)))
45	41, 44	syl6 35	. . . 4 ⊢ (𝜑 → (𝑟 ∈ 𝑅 → (𝐻 = (𝑟 · 𝐺) → (𝐾‘𝐺) ⊆ (𝐾‘𝐻))))
46	45	rexlimdv 3150	. . 3 ⊢ (𝜑 → (∃𝑟 ∈ 𝑅 𝐻 = (𝑟 · 𝐺) → (𝐾‘𝐺) ⊆ (𝐾‘𝐻)))
47	46	imp 405	. 2 ⊢ ((𝜑 ∧ ∃𝑟 ∈ 𝑅 𝐻 = (𝑟 · 𝐺)) → (𝐾‘𝐺) ⊆ (𝐾‘𝐻))
48	36, 47	impbida 799	1 ⊢ (𝜑 → ((𝐾‘𝐺) ⊆ (𝐾‘𝐻) ↔ ∃𝑟 ∈ 𝑅 𝐻 = (𝑟 · 𝐺)))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 394 ∨ wo 845 = wceq 1533 ∈ wcel 2098 ≠ wne 2937 ∃wrex 3067 ⊆ wss 3949 ⊊ wpss 3950 ‘cfv 6553 (class class class)co 7426 Basecbs 17187 Scalarcsca 17243 ·_𝑠 cvsca 17244 0_gc0g 17428 LModclmod 20750 LVecclvec 20994 LFnlclfn 38561 LKerclk 38589 LDualcld 38627

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2166 ax-ext 2699 ax-rep 5289 ax-sep 5303 ax-nul 5310 ax-pow 5369 ax-pr 5433 ax-un 7746 ax-cnex 11202 ax-resscn 11203 ax-1cn 11204 ax-icn 11205 ax-addcl 11206 ax-addrcl 11207 ax-mulcl 11208 ax-mulrcl 11209 ax-mulcom 11210 ax-addass 11211 ax-mulass 11212 ax-distr 11213 ax-i2m1 11214 ax-1ne0 11215 ax-1rid 11216 ax-rnegex 11217 ax-rrecex 11218 ax-cnre 11219 ax-pre-lttri 11220 ax-pre-lttrn 11221 ax-pre-ltadd 11222 ax-pre-mulgt0 11223

This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2529 df-eu 2558 df-clab 2706 df-cleq 2720 df-clel 2806 df-nfc 2881 df-ne 2938 df-nel 3044 df-ral 3059 df-rex 3068 df-rmo 3374 df-reu 3375 df-rab 3431 df-v 3475 df-sbc 3779 df-csb 3895 df-dif 3952 df-un 3954 df-in 3956 df-ss 3966 df-pss 3968 df-nul 4327 df-if 4533 df-pw 4608 df-sn 4633 df-pr 4635 df-tp 4637 df-op 4639 df-uni 4913 df-int 4954 df-iun 5002 df-br 5153 df-opab 5215 df-mpt 5236 df-tr 5270 df-id 5580 df-eprel 5586 df-po 5594 df-so 5595 df-fr 5637 df-we 5639 df-xp 5688 df-rel 5689 df-cnv 5690 df-co 5691 df-dm 5692 df-rn 5693 df-res 5694 df-ima 5695 df-pred 6310 df-ord 6377 df-on 6378 df-lim 6379 df-suc 6380 df-iota 6505 df-fun 6555 df-fn 6556 df-f 6557 df-f1 6558 df-fo 6559 df-f1o 6560 df-fv 6561 df-riota 7382 df-ov 7429 df-oprab 7430 df-mpo 7431 df-of 7691 df-om 7877 df-1st 7999 df-2nd 8000 df-tpos 8238 df-frecs 8293 df-wrecs 8324 df-recs 8398 df-rdg 8437 df-1o 8493 df-er 8731 df-map 8853 df-en 8971 df-dom 8972 df-sdom 8973 df-fin 8974 df-pnf 11288 df-mnf 11289 df-xr 11290 df-ltxr 11291 df-le 11292 df-sub 11484 df-neg 11485 df-nn 12251 df-2 12313 df-3 12314 df-4 12315 df-5 12316 df-6 12317 df-n0 12511 df-z 12597 df-uz 12861 df-fz 13525 df-struct 17123 df-sets 17140 df-slot 17158 df-ndx 17170 df-base 17188 df-ress 17217 df-plusg 17253 df-mulr 17254 df-sca 17256 df-vsca 17257 df-0g 17430 df-mgm 18607 df-sgrp 18686 df-mnd 18702 df-submnd 18748 df-grp 18900 df-minusg 18901 df-sbg 18902 df-subg 19085 df-cntz 19275 df-lsm 19598 df-cmn 19744 df-abl 19745 df-mgp 20082 df-rng 20100 df-ur 20129 df-ring 20182 df-oppr 20280 df-dvdsr 20303 df-unit 20304 df-invr 20334 df-drng 20633 df-lmod 20752 df-lss 20823 df-lsp 20863 df-lvec 20995 df-lshyp 38481 df-lfl 38562 df-lkr 38590 df-ldual 38628

This theorem is referenced by: lcfrvalsnN 41046

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