Theorem lmhmlsp 19049

Description: Homomorphisms preserve spans. (Contributed by Stefan O'Rear, 1-Jan-2015.)

Hypotheses

Ref	Expression
lmhmlsp.v	⊢ 𝑉 = (Base‘𝑆)
lmhmlsp.k	⊢ 𝐾 = (LSpan‘𝑆)
lmhmlsp.l	⊢ 𝐿 = (LSpan‘𝑇)

Assertion

Ref	Expression
lmhmlsp	⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑈 ⊆ 𝑉) → (𝐹 “ (𝐾‘𝑈)) = (𝐿‘(𝐹 “ 𝑈)))

Proof of Theorem lmhmlsp

Step	Hyp	Ref	Expression
1		lmhmlsp.v	. . . . . 6 ⊢ 𝑉 = (Base‘𝑆)
2		eqid 2622	. . . . . 6 ⊢ (Base‘𝑇) = (Base‘𝑇)
3	1, 2	lmhmf 19034	. . . . 5 ⊢ (𝐹 ∈ (𝑆 LMHom 𝑇) → 𝐹:𝑉⟶(Base‘𝑇))
4	3	adantr 481	. . . 4 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑈 ⊆ 𝑉) → 𝐹:𝑉⟶(Base‘𝑇))
5		ffun 6048	. . . 4 ⊢ (𝐹:𝑉⟶(Base‘𝑇) → Fun 𝐹)
6	4, 5	syl 17	. . 3 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑈 ⊆ 𝑉) → Fun 𝐹)
7		lmhmlmod1 19033	. . . . 5 ⊢ (𝐹 ∈ (𝑆 LMHom 𝑇) → 𝑆 ∈ LMod)
8	7	adantr 481	. . . 4 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑈 ⊆ 𝑉) → 𝑆 ∈ LMod)
9		lmhmlmod2 19032	. . . . . . 7 ⊢ (𝐹 ∈ (𝑆 LMHom 𝑇) → 𝑇 ∈ LMod)
10	9	adantr 481	. . . . . 6 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑈 ⊆ 𝑉) → 𝑇 ∈ LMod)
11		imassrn 5477	. . . . . . 7 ⊢ (𝐹 “ 𝑈) ⊆ ran 𝐹
12		frn 6053	. . . . . . . 8 ⊢ (𝐹:𝑉⟶(Base‘𝑇) → ran 𝐹 ⊆ (Base‘𝑇))
13	4, 12	syl 17	. . . . . . 7 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑈 ⊆ 𝑉) → ran 𝐹 ⊆ (Base‘𝑇))
14	11, 13	syl5ss 3614	. . . . . 6 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑈 ⊆ 𝑉) → (𝐹 “ 𝑈) ⊆ (Base‘𝑇))
15		eqid 2622	. . . . . . 7 ⊢ (LSubSp‘𝑇) = (LSubSp‘𝑇)
16		lmhmlsp.l	. . . . . . 7 ⊢ 𝐿 = (LSpan‘𝑇)
17	2, 15, 16	lspcl 18976	. . . . . 6 ⊢ ((𝑇 ∈ LMod ∧ (𝐹 “ 𝑈) ⊆ (Base‘𝑇)) → (𝐿‘(𝐹 “ 𝑈)) ∈ (LSubSp‘𝑇))
18	10, 14, 17	syl2anc 693	. . . . 5 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑈 ⊆ 𝑉) → (𝐿‘(𝐹 “ 𝑈)) ∈ (LSubSp‘𝑇))
19		eqid 2622	. . . . . 6 ⊢ (LSubSp‘𝑆) = (LSubSp‘𝑆)
20	19, 15	lmhmpreima 19048	. . . . 5 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ (𝐿‘(𝐹 “ 𝑈)) ∈ (LSubSp‘𝑇)) → (◡𝐹 “ (𝐿‘(𝐹 “ 𝑈))) ∈ (LSubSp‘𝑆))
21	18, 20	syldan 487	. . . 4 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑈 ⊆ 𝑉) → (◡𝐹 “ (𝐿‘(𝐹 “ 𝑈))) ∈ (LSubSp‘𝑆))
22		incom 3805	. . . . . . 7 ⊢ (dom 𝐹 ∩ 𝑈) = (𝑈 ∩ dom 𝐹)
23		simpr 477	. . . . . . . . 9 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑈 ⊆ 𝑉) → 𝑈 ⊆ 𝑉)
24		fdm 6051	. . . . . . . . . 10 ⊢ (𝐹:𝑉⟶(Base‘𝑇) → dom 𝐹 = 𝑉)
25	4, 24	syl 17	. . . . . . . . 9 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑈 ⊆ 𝑉) → dom 𝐹 = 𝑉)
26	23, 25	sseqtr4d 3642	. . . . . . . 8 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑈 ⊆ 𝑉) → 𝑈 ⊆ dom 𝐹)
27		df-ss 3588	. . . . . . . 8 ⊢ (𝑈 ⊆ dom 𝐹 ↔ (𝑈 ∩ dom 𝐹) = 𝑈)
28	26, 27	sylib 208	. . . . . . 7 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑈 ⊆ 𝑉) → (𝑈 ∩ dom 𝐹) = 𝑈)
29	22, 28	syl5req 2669	. . . . . 6 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑈 ⊆ 𝑉) → 𝑈 = (dom 𝐹 ∩ 𝑈))
30		dminss 5547	. . . . . 6 ⊢ (dom 𝐹 ∩ 𝑈) ⊆ (◡𝐹 “ (𝐹 “ 𝑈))
31	29, 30	syl6eqss 3655	. . . . 5 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑈 ⊆ 𝑉) → 𝑈 ⊆ (◡𝐹 “ (𝐹 “ 𝑈)))
32	2, 16	lspssid 18985	. . . . . . 7 ⊢ ((𝑇 ∈ LMod ∧ (𝐹 “ 𝑈) ⊆ (Base‘𝑇)) → (𝐹 “ 𝑈) ⊆ (𝐿‘(𝐹 “ 𝑈)))
33	10, 14, 32	syl2anc 693	. . . . . 6 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑈 ⊆ 𝑉) → (𝐹 “ 𝑈) ⊆ (𝐿‘(𝐹 “ 𝑈)))
34		imass2 5501	. . . . . 6 ⊢ ((𝐹 “ 𝑈) ⊆ (𝐿‘(𝐹 “ 𝑈)) → (◡𝐹 “ (𝐹 “ 𝑈)) ⊆ (◡𝐹 “ (𝐿‘(𝐹 “ 𝑈))))
35	33, 34	syl 17	. . . . 5 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑈 ⊆ 𝑉) → (◡𝐹 “ (𝐹 “ 𝑈)) ⊆ (◡𝐹 “ (𝐿‘(𝐹 “ 𝑈))))
36	31, 35	sstrd 3613	. . . 4 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑈 ⊆ 𝑉) → 𝑈 ⊆ (◡𝐹 “ (𝐿‘(𝐹 “ 𝑈))))
37		lmhmlsp.k	. . . . 5 ⊢ 𝐾 = (LSpan‘𝑆)
38	19, 37	lspssp 18988	. . . 4 ⊢ ((𝑆 ∈ LMod ∧ (◡𝐹 “ (𝐿‘(𝐹 “ 𝑈))) ∈ (LSubSp‘𝑆) ∧ 𝑈 ⊆ (◡𝐹 “ (𝐿‘(𝐹 “ 𝑈)))) → (𝐾‘𝑈) ⊆ (◡𝐹 “ (𝐿‘(𝐹 “ 𝑈))))
39	8, 21, 36, 38	syl3anc 1326	. . 3 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑈 ⊆ 𝑉) → (𝐾‘𝑈) ⊆ (◡𝐹 “ (𝐿‘(𝐹 “ 𝑈))))
40		funimass2 5972	. . 3 ⊢ ((Fun 𝐹 ∧ (𝐾‘𝑈) ⊆ (◡𝐹 “ (𝐿‘(𝐹 “ 𝑈)))) → (𝐹 “ (𝐾‘𝑈)) ⊆ (𝐿‘(𝐹 “ 𝑈)))
41	6, 39, 40	syl2anc 693	. 2 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑈 ⊆ 𝑉) → (𝐹 “ (𝐾‘𝑈)) ⊆ (𝐿‘(𝐹 “ 𝑈)))
42	1, 19, 37	lspcl 18976	. . . . 5 ⊢ ((𝑆 ∈ LMod ∧ 𝑈 ⊆ 𝑉) → (𝐾‘𝑈) ∈ (LSubSp‘𝑆))
43	8, 23, 42	syl2anc 693	. . . 4 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑈 ⊆ 𝑉) → (𝐾‘𝑈) ∈ (LSubSp‘𝑆))
44	19, 15	lmhmima 19047	. . . 4 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ (𝐾‘𝑈) ∈ (LSubSp‘𝑆)) → (𝐹 “ (𝐾‘𝑈)) ∈ (LSubSp‘𝑇))
45	43, 44	syldan 487	. . 3 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑈 ⊆ 𝑉) → (𝐹 “ (𝐾‘𝑈)) ∈ (LSubSp‘𝑇))
46	1, 37	lspssid 18985	. . . . 5 ⊢ ((𝑆 ∈ LMod ∧ 𝑈 ⊆ 𝑉) → 𝑈 ⊆ (𝐾‘𝑈))
47	8, 23, 46	syl2anc 693	. . . 4 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑈 ⊆ 𝑉) → 𝑈 ⊆ (𝐾‘𝑈))
48		imass2 5501	. . . 4 ⊢ (𝑈 ⊆ (𝐾‘𝑈) → (𝐹 “ 𝑈) ⊆ (𝐹 “ (𝐾‘𝑈)))
49	47, 48	syl 17	. . 3 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑈 ⊆ 𝑉) → (𝐹 “ 𝑈) ⊆ (𝐹 “ (𝐾‘𝑈)))
50	15, 16	lspssp 18988	. . 3 ⊢ ((𝑇 ∈ LMod ∧ (𝐹 “ (𝐾‘𝑈)) ∈ (LSubSp‘𝑇) ∧ (𝐹 “ 𝑈) ⊆ (𝐹 “ (𝐾‘𝑈))) → (𝐿‘(𝐹 “ 𝑈)) ⊆ (𝐹 “ (𝐾‘𝑈)))
51	10, 45, 49, 50	syl3anc 1326	. 2 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑈 ⊆ 𝑉) → (𝐿‘(𝐹 “ 𝑈)) ⊆ (𝐹 “ (𝐾‘𝑈)))
52	41, 51	eqssd 3620	1 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑈 ⊆ 𝑉) → (𝐹 “ (𝐾‘𝑈)) = (𝐿‘(𝐹 “ 𝑈)))

Syntax hints:   → wi 4   ∧ wa 384   = wceq 1483   ∈ wcel 1990   ∩ cin 3573   ⊆ wss 3574  ^◡ccnv 5113  dom cdm 5114  ran crn 5115   “ cima 5117  Fun wfun 5882  ⟶wf 5884  ‘cfv 5888  (class class class)co 6650  Basecbs 15857  LModclmod 18863  LSubSpclss 18932  LSpanclspn 18971   LMHom clmhm 19019

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-8 1992  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-rep 4771  ax-sep 4781  ax-nul 4789  ax-pow 4843  ax-pr 4906  ax-un 6949  ax-cnex 9992  ax-resscn 9993  ax-1cn 9994  ax-icn 9995  ax-addcl 9996  ax-addrcl 9997  ax-mulcl 9998  ax-mulrcl 9999  ax-mulcom 10000  ax-addass 10001  ax-mulass 10002  ax-distr 10003  ax-i2m1 10004  ax-1ne0 10005  ax-1rid 10006  ax-rnegex 10007  ax-rrecex 10008  ax-cnre 10009  ax-pre-lttri 10010  ax-pre-lttrn 10011  ax-pre-ltadd 10012  ax-pre-mulgt0 10013

This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3or 1038  df-3an 1039  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-eu 2474  df-mo 2475  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ne 2795  df-nel 2898  df-ral 2917  df-rex 2918  df-reu 2919  df-rmo 2920  df-rab 2921  df-v 3202  df-sbc 3436  df-csb 3534  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-pss 3590  df-nul 3916  df-if 4087  df-pw 4160  df-sn 4178  df-pr 4180  df-tp 4182  df-op 4184  df-uni 4437  df-int 4476  df-iun 4522  df-br 4654  df-opab 4713  df-mpt 4730  df-tr 4753  df-id 5024  df-eprel 5029  df-po 5035  df-so 5036  df-fr 5073  df-we 5075  df-xp 5120  df-rel 5121  df-cnv 5122  df-co 5123  df-dm 5124  df-rn 5125  df-res 5126  df-ima 5127  df-pred 5680  df-ord 5726  df-on 5727  df-lim 5728  df-suc 5729  df-iota 5851  df-fun 5890  df-fn 5891  df-f 5892  df-f1 5893  df-fo 5894  df-f1o 5895  df-fv 5896  df-riota 6611  df-ov 6653  df-oprab 6654  df-mpt2 6655  df-om 7066  df-1st 7168  df-2nd 7169  df-wrecs 7407  df-recs 7468  df-rdg 7506  df-er 7742  df-en 7956  df-dom 7957  df-sdom 7958  df-pnf 10076  df-mnf 10077  df-xr 10078  df-ltxr 10079  df-le 10080  df-sub 10268  df-neg 10269  df-nn 11021  df-2 11079  df-ndx 15860  df-slot 15861  df-base 15863  df-sets 15864  df-ress 15865  df-plusg 15954  df-0g 16102  df-mgm 17242  df-sgrp 17284  df-mnd 17295  df-grp 17425  df-minusg 17426  df-sbg 17427  df-subg 17591  df-ghm 17658  df-mgp 18490  df-ur 18502  df-ring 18549  df-lmod 18865  df-lss 18933  df-lsp 18972  df-lmhm 19022

This theorem is referenced by:  frlmup3  20139  lindfmm  20166  lmimlbs  20175  lmhmfgima  37654  lmhmfgsplit  37656