Theorem resmhm2 13778

Description: One direction of resmhm2b 13779. (Contributed by Mario Carneiro, 18-Jun-2015.)

Hypothesis

Ref	Expression
resmhm2.u	⊢ 𝑈 = (𝑇 ↾s 𝑋)

Assertion

Ref	Expression
resmhm2	⊢ ((𝐹 ∈ (𝑆 MndHom 𝑈) ∧ 𝑋 ∈ (SubMnd‘𝑇)) → 𝐹 ∈ (𝑆 MndHom 𝑇))

Proof of Theorem resmhm2

Dummy variables 𝑥 𝑦 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		mhmrcl1 13753	. . 3 ⊢ (𝐹 ∈ (𝑆 MndHom 𝑈) → 𝑆 ∈ Mnd)
2		submrcl 13761	. . 3 ⊢ (𝑋 ∈ (SubMnd‘𝑇) → 𝑇 ∈ Mnd)
3	1, 2	anim12i 338	. 2 ⊢ ((𝐹 ∈ (𝑆 MndHom 𝑈) ∧ 𝑋 ∈ (SubMnd‘𝑇)) → (𝑆 ∈ Mnd ∧ 𝑇 ∈ Mnd))
4		eqid 2238	. . . . 5 ⊢ (Base‘𝑆) = (Base‘𝑆)
5		eqid 2238	. . . . 5 ⊢ (Base‘𝑈) = (Base‘𝑈)
6	4, 5	mhmf 13755	. . . 4 ⊢ (𝐹 ∈ (𝑆 MndHom 𝑈) → 𝐹:(Base‘𝑆)⟶(Base‘𝑈))
7		resmhm2.u	. . . . . 6 ⊢ 𝑈 = (𝑇 ↾s 𝑋)
8	7	submbas 13771	. . . . 5 ⊢ (𝑋 ∈ (SubMnd‘𝑇) → 𝑋 = (Base‘𝑈))
9		eqid 2238	. . . . . 6 ⊢ (Base‘𝑇) = (Base‘𝑇)
10	9	submss 13766	. . . . 5 ⊢ (𝑋 ∈ (SubMnd‘𝑇) → 𝑋 ⊆ (Base‘𝑇))
11	8, 10	eqsstrrd 3285	. . . 4 ⊢ (𝑋 ∈ (SubMnd‘𝑇) → (Base‘𝑈) ⊆ (Base‘𝑇))
12		fss 5544	. . . 4 ⊢ ((𝐹:(Base‘𝑆)⟶(Base‘𝑈) ∧ (Base‘𝑈) ⊆ (Base‘𝑇)) → 𝐹:(Base‘𝑆)⟶(Base‘𝑇))
13	6, 11, 12	syl2an 289	. . 3 ⊢ ((𝐹 ∈ (𝑆 MndHom 𝑈) ∧ 𝑋 ∈ (SubMnd‘𝑇)) → 𝐹:(Base‘𝑆)⟶(Base‘𝑇))
14		eqid 2238	. . . . . . . 8 ⊢ (+g‘𝑆) = (+g‘𝑆)
15		eqid 2238	. . . . . . . 8 ⊢ (+g‘𝑈) = (+g‘𝑈)
16	4, 14, 15	mhmlin 13757	. . . . . . 7 ⊢ ((𝐹 ∈ (𝑆 MndHom 𝑈) ∧ 𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (Base‘𝑆)) → (𝐹‘(𝑥(+g‘𝑆)𝑦)) = ((𝐹‘𝑥)(+g‘𝑈)(𝐹‘𝑦)))
17	16	3expb 1235	. . . . . 6 ⊢ ((𝐹 ∈ (𝑆 MndHom 𝑈) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (Base‘𝑆))) → (𝐹‘(𝑥(+g‘𝑆)𝑦)) = ((𝐹‘𝑥)(+g‘𝑈)(𝐹‘𝑦)))
18	17	adantlr 481	. . . . 5 ⊢ (((𝐹 ∈ (𝑆 MndHom 𝑈) ∧ 𝑋 ∈ (SubMnd‘𝑇)) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (Base‘𝑆))) → (𝐹‘(𝑥(+g‘𝑆)𝑦)) = ((𝐹‘𝑥)(+g‘𝑈)(𝐹‘𝑦)))
19	7	a1i 9	. . . . . . . 8 ⊢ (𝑋 ∈ (SubMnd‘𝑇) → 𝑈 = (𝑇 ↾s 𝑋))
20		eqidd 2239	. . . . . . . 8 ⊢ (𝑋 ∈ (SubMnd‘𝑇) → (+g‘𝑇) = (+g‘𝑇))
21		id 19	. . . . . . . 8 ⊢ (𝑋 ∈ (SubMnd‘𝑇) → 𝑋 ∈ (SubMnd‘𝑇))
22	19, 20, 21, 2	ressplusgd 13466	. . . . . . 7 ⊢ (𝑋 ∈ (SubMnd‘𝑇) → (+g‘𝑇) = (+g‘𝑈))
23	22	ad2antlr 493	. . . . . 6 ⊢ (((𝐹 ∈ (𝑆 MndHom 𝑈) ∧ 𝑋 ∈ (SubMnd‘𝑇)) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (Base‘𝑆))) → (+g‘𝑇) = (+g‘𝑈))
24	23	oveqd 6096	. . . . 5 ⊢ (((𝐹 ∈ (𝑆 MndHom 𝑈) ∧ 𝑋 ∈ (SubMnd‘𝑇)) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (Base‘𝑆))) → ((𝐹‘𝑥)(+g‘𝑇)(𝐹‘𝑦)) = ((𝐹‘𝑥)(+g‘𝑈)(𝐹‘𝑦)))
25	18, 24	eqtr4d 2274	. . . 4 ⊢ (((𝐹 ∈ (𝑆 MndHom 𝑈) ∧ 𝑋 ∈ (SubMnd‘𝑇)) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (Base‘𝑆))) → (𝐹‘(𝑥(+g‘𝑆)𝑦)) = ((𝐹‘𝑥)(+g‘𝑇)(𝐹‘𝑦)))
26	25	ralrimivva 2632	. . 3 ⊢ ((𝐹 ∈ (𝑆 MndHom 𝑈) ∧ 𝑋 ∈ (SubMnd‘𝑇)) → ∀𝑥 ∈ (Base‘𝑆)∀𝑦 ∈ (Base‘𝑆)(𝐹‘(𝑥(+g‘𝑆)𝑦)) = ((𝐹‘𝑥)(+g‘𝑇)(𝐹‘𝑦)))
27		eqid 2238	. . . . . 6 ⊢ (0g‘𝑆) = (0g‘𝑆)
28		eqid 2238	. . . . . 6 ⊢ (0g‘𝑈) = (0g‘𝑈)
29	27, 28	mhm0 13758	. . . . 5 ⊢ (𝐹 ∈ (𝑆 MndHom 𝑈) → (𝐹‘(0g‘𝑆)) = (0g‘𝑈))
30	29	adantr 276	. . . 4 ⊢ ((𝐹 ∈ (𝑆 MndHom 𝑈) ∧ 𝑋 ∈ (SubMnd‘𝑇)) → (𝐹‘(0g‘𝑆)) = (0g‘𝑈))
31		eqid 2238	. . . . . 6 ⊢ (0g‘𝑇) = (0g‘𝑇)
32	7, 31	subm0 13772	. . . . 5 ⊢ (𝑋 ∈ (SubMnd‘𝑇) → (0g‘𝑇) = (0g‘𝑈))
33	32	adantl 277	. . . 4 ⊢ ((𝐹 ∈ (𝑆 MndHom 𝑈) ∧ 𝑋 ∈ (SubMnd‘𝑇)) → (0g‘𝑇) = (0g‘𝑈))
34	30, 33	eqtr4d 2274	. . 3 ⊢ ((𝐹 ∈ (𝑆 MndHom 𝑈) ∧ 𝑋 ∈ (SubMnd‘𝑇)) → (𝐹‘(0g‘𝑆)) = (0g‘𝑇))
35	13, 26, 34	3jca 1208	. 2 ⊢ ((𝐹 ∈ (𝑆 MndHom 𝑈) ∧ 𝑋 ∈ (SubMnd‘𝑇)) → (𝐹:(Base‘𝑆)⟶(Base‘𝑇) ∧ ∀𝑥 ∈ (Base‘𝑆)∀𝑦 ∈ (Base‘𝑆)(𝐹‘(𝑥(+g‘𝑆)𝑦)) = ((𝐹‘𝑥)(+g‘𝑇)(𝐹‘𝑦)) ∧ (𝐹‘(0g‘𝑆)) = (0g‘𝑇)))
36		eqid 2238	. . 3 ⊢ (+g‘𝑇) = (+g‘𝑇)
37	4, 9, 14, 36, 27, 31	ismhm 13751	. 2 ⊢ (𝐹 ∈ (𝑆 MndHom 𝑇) ↔ ((𝑆 ∈ Mnd ∧ 𝑇 ∈ Mnd) ∧ (𝐹:(Base‘𝑆)⟶(Base‘𝑇) ∧ ∀𝑥 ∈ (Base‘𝑆)∀𝑦 ∈ (Base‘𝑆)(𝐹‘(𝑥(+g‘𝑆)𝑦)) = ((𝐹‘𝑥)(+g‘𝑇)(𝐹‘𝑦)) ∧ (𝐹‘(0g‘𝑆)) = (0g‘𝑇))))
38	3, 35, 37	sylanbrc 421	1 ⊢ ((𝐹 ∈ (𝑆 MndHom 𝑈) ∧ 𝑋 ∈ (SubMnd‘𝑇)) → 𝐹 ∈ (𝑆 MndHom 𝑇))

Syntax hints:   → wi 4   ∧ wa 104   ∧ w3a 1009   = wceq 1402   ∈ wcel 2209  ∀wral 2528   ⊆ wss 3220  ⟶wf 5371  ‘cfv 5375  (class class class)co 6079  Basecbs 13335   ↾_s cress 13336  +_gcplusg 13414  0_gc0g 13593  Mndcmnd 13712   MndHom cmhm 13747  SubMndcsubmnd 13748

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 623  ax-in2 624  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-14 2212  ax-ext 2220  ax-sep 4247  ax-pow 4309  ax-pr 4344  ax-un 4576  ax-setind 4682  ax-cnex 8264  ax-resscn 8265  ax-1cn 8266  ax-1re 8267  ax-icn 8268  ax-addcl 8269  ax-addrcl 8270  ax-mulcl 8271  ax-addcom 8273  ax-addass 8275  ax-i2m1 8278  ax-0lt1 8279  ax-0id 8281  ax-rnegex 8282  ax-pre-ltirr 8285  ax-pre-ltadd 8289

This theorem depends on definitions:  df-bi 117  df-3an 1011  df-tru 1405  df-fal 1408  df-nf 1514  df-sb 1816  df-eu 2089  df-mo 2090  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ne 2421  df-nel 2516  df-ral 2533  df-rex 2534  df-reu 2535  df-rmo 2536  df-rab 2537  df-v 2823  df-sbc 3052  df-csb 3148  df-dif 3222  df-un 3224  df-in 3226  df-ss 3233  df-nul 3521  df-pw 3690  df-sn 3714  df-pr 3715  df-op 3717  df-uni 3934  df-int 3969  df-iun 4012  df-br 4129  df-opab 4191  df-mpt 4192  df-id 4436  df-xp 4778  df-rel 4779  df-cnv 4780  df-co 4781  df-dm 4782  df-rn 4783  df-res 4784  df-ima 4785  df-iota 5335  df-fun 5377  df-fn 5378  df-f 5379  df-fv 5383  df-riota 6032  df-ov 6082  df-oprab 6083  df-mpo 6084  df-1st 6368  df-2nd 6369  df-map 6918  df-pnf 8356  df-mnf 8357  df-ltxr 8359  df-inn 9288  df-2 9346  df-ndx 13338  df-slot 13339  df-base 13341  df-sets 13342  df-iress 13343  df-plusg 13427  df-0g 13595  df-mgm 13659  df-sgrp 13700  df-mnd 13713  df-mhm 13749  df-submnd 13750

This theorem is referenced by:  resmhm2b  13779  resghm2  14047  lgseisenlem4  16175