Theorem resmhm2 13481

Description: One direction of resmhm2b 13482. (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 13456	. . 3 ⊢ (𝐹 ∈ (𝑆 MndHom 𝑈) → 𝑆 ∈ Mnd)
2		submrcl 13464	. . 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 2207	. . . . 5 ⊢ (Base‘𝑆) = (Base‘𝑆)
5		eqid 2207	. . . . 5 ⊢ (Base‘𝑈) = (Base‘𝑈)
6	4, 5	mhmf 13458	. . . 4 ⊢ (𝐹 ∈ (𝑆 MndHom 𝑈) → 𝐹:(Base‘𝑆)⟶(Base‘𝑈))
7		resmhm2.u	. . . . . 6 ⊢ 𝑈 = (𝑇 ↾s 𝑋)
8	7	submbas 13474	. . . . 5 ⊢ (𝑋 ∈ (SubMnd‘𝑇) → 𝑋 = (Base‘𝑈))
9		eqid 2207	. . . . . 6 ⊢ (Base‘𝑇) = (Base‘𝑇)
10	9	submss 13469	. . . . 5 ⊢ (𝑋 ∈ (SubMnd‘𝑇) → 𝑋 ⊆ (Base‘𝑇))
11	8, 10	eqsstrrd 3239	. . . 4 ⊢ (𝑋 ∈ (SubMnd‘𝑇) → (Base‘𝑈) ⊆ (Base‘𝑇))
12		fss 5458	. . . 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 2207	. . . . . . . 8 ⊢ (+g‘𝑆) = (+g‘𝑆)
15		eqid 2207	. . . . . . . 8 ⊢ (+g‘𝑈) = (+g‘𝑈)
16	4, 14, 15	mhmlin 13460	. . . . . . 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 1207	. . . . . 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 477	. . . . 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 2208	. . . . . . . 8 ⊢ (𝑋 ∈ (SubMnd‘𝑇) → (+g‘𝑇) = (+g‘𝑇))
21		id 19	. . . . . . . 8 ⊢ (𝑋 ∈ (SubMnd‘𝑇) → 𝑋 ∈ (SubMnd‘𝑇))
22	19, 20, 21, 2	ressplusgd 13122	. . . . . . 7 ⊢ (𝑋 ∈ (SubMnd‘𝑇) → (+g‘𝑇) = (+g‘𝑈))
23	22	ad2antlr 489	. . . . . 6 ⊢ (((𝐹 ∈ (𝑆 MndHom 𝑈) ∧ 𝑋 ∈ (SubMnd‘𝑇)) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (Base‘𝑆))) → (+g‘𝑇) = (+g‘𝑈))
24	23	oveqd 5986	. . . . 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 2243	. . . 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 2590	. . 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 2207	. . . . . 6 ⊢ (0g‘𝑆) = (0g‘𝑆)
28		eqid 2207	. . . . . 6 ⊢ (0g‘𝑈) = (0g‘𝑈)
29	27, 28	mhm0 13461	. . . . 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 2207	. . . . . 6 ⊢ (0g‘𝑇) = (0g‘𝑇)
32	7, 31	subm0 13475	. . . . 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 2243	. . 3 ⊢ ((𝐹 ∈ (𝑆 MndHom 𝑈) ∧ 𝑋 ∈ (SubMnd‘𝑇)) → (𝐹‘(0g‘𝑆)) = (0g‘𝑇))
35	13, 26, 34	3jca 1180	. 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 2207	. . 3 ⊢ (+g‘𝑇) = (+g‘𝑇)
37	4, 9, 14, 36, 27, 31	ismhm 13454	. 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 417	1 ⊢ ((𝐹 ∈ (𝑆 MndHom 𝑈) ∧ 𝑋 ∈ (SubMnd‘𝑇)) → 𝐹 ∈ (𝑆 MndHom 𝑇))

Syntax hints:   → wi 4   ∧ wa 104   ∧ w3a 981   = wceq 1373   ∈ wcel 2178  ∀wral 2486   ⊆ wss 3175  ⟶wf 5287  ‘cfv 5291  (class class class)co 5969  Basecbs 12993   ↾_s cress 12994  +_gcplusg 13070  0_gc0g 13249  Mndcmnd 13409   MndHom cmhm 13450  SubMndcsubmnd 13451

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 615  ax-in2 616  ax-io 711  ax-5 1471  ax-7 1472  ax-gen 1473  ax-ie1 1517  ax-ie2 1518  ax-8 1528  ax-10 1529  ax-11 1530  ax-i12 1531  ax-bndl 1533  ax-4 1534  ax-17 1550  ax-i9 1554  ax-ial 1558  ax-i5r 1559  ax-13 2180  ax-14 2181  ax-ext 2189  ax-sep 4179  ax-pow 4235  ax-pr 4270  ax-un 4499  ax-setind 4604  ax-cnex 8053  ax-resscn 8054  ax-1cn 8055  ax-1re 8056  ax-icn 8057  ax-addcl 8058  ax-addrcl 8059  ax-mulcl 8060  ax-addcom 8062  ax-addass 8064  ax-i2m1 8067  ax-0lt1 8068  ax-0id 8070  ax-rnegex 8071  ax-pre-ltirr 8074  ax-pre-ltadd 8078

This theorem depends on definitions:  df-bi 117  df-3an 983  df-tru 1376  df-fal 1379  df-nf 1485  df-sb 1787  df-eu 2058  df-mo 2059  df-clab 2194  df-cleq 2200  df-clel 2203  df-nfc 2339  df-ne 2379  df-nel 2474  df-ral 2491  df-rex 2492  df-reu 2493  df-rmo 2494  df-rab 2495  df-v 2779  df-sbc 3007  df-csb 3103  df-dif 3177  df-un 3179  df-in 3181  df-ss 3188  df-nul 3470  df-pw 3629  df-sn 3650  df-pr 3651  df-op 3653  df-uni 3866  df-int 3901  df-iun 3944  df-br 4061  df-opab 4123  df-mpt 4124  df-id 4359  df-xp 4700  df-rel 4701  df-cnv 4702  df-co 4703  df-dm 4704  df-rn 4705  df-res 4706  df-ima 4707  df-iota 5252  df-fun 5293  df-fn 5294  df-f 5295  df-fv 5299  df-riota 5924  df-ov 5972  df-oprab 5973  df-mpo 5974  df-1st 6251  df-2nd 6252  df-map 6762  df-pnf 8146  df-mnf 8147  df-ltxr 8149  df-inn 9074  df-2 9132  df-ndx 12996  df-slot 12997  df-base 12999  df-sets 13000  df-iress 13001  df-plusg 13083  df-0g 13251  df-mgm 13349  df-sgrp 13395  df-mnd 13410  df-mhm 13452  df-submnd 13453

This theorem is referenced by:  resmhm2b  13482  resghm2  13758  lgseisenlem4  15711