Theorem evls1val 22238

Description: Value of the univariate polynomial evaluation map. (Contributed by AV, 10-Sep-2019.)

Hypotheses

Ref	Expression
evls1fval.q	⊢ 𝑄 = (𝑆 evalSub1 𝑅)
evls1fval.e	⊢ 𝐸 = (1o evalSub 𝑆)
evls1fval.b	⊢ 𝐵 = (Base‘𝑆)
evls1val.m	⊢ 𝑀 = (1o mPoly (𝑆 ↾s 𝑅))
evls1val.k	⊢ 𝐾 = (Base‘𝑀)

Assertion

Ref	Expression
evls1val	⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆) ∧ 𝐴 ∈ 𝐾) → (𝑄‘𝐴) = (((𝐸‘𝑅)‘𝐴) ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))))

Distinct variable group:   𝑦,𝐵

Allowed substitution hints:   𝐴(𝑦)   𝑄(𝑦)   𝑅(𝑦)   𝑆(𝑦)   𝐸(𝑦)   𝐾(𝑦)   𝑀(𝑦)

Proof of Theorem evls1val

Dummy variable 𝑥 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		evls1fval.b	. . . . . . . 8 ⊢ 𝐵 = (Base‘𝑆)
2	1	subrgss 20491	. . . . . . 7 ⊢ (𝑅 ∈ (SubRing‘𝑆) → 𝑅 ⊆ 𝐵)
3	2	adantl 481	. . . . . 6 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆)) → 𝑅 ⊆ 𝐵)
4		elpwg 4554	. . . . . . 7 ⊢ (𝑅 ∈ (SubRing‘𝑆) → (𝑅 ∈ 𝒫 𝐵 ↔ 𝑅 ⊆ 𝐵))
5	4	adantl 481	. . . . . 6 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆)) → (𝑅 ∈ 𝒫 𝐵 ↔ 𝑅 ⊆ 𝐵))
6	3, 5	mpbird 257	. . . . 5 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆)) → 𝑅 ∈ 𝒫 𝐵)
7		evls1fval.q	. . . . . 6 ⊢ 𝑄 = (𝑆 evalSub1 𝑅)
8		evls1fval.e	. . . . . 6 ⊢ 𝐸 = (1o evalSub 𝑆)
9	7, 8, 1	evls1fval 22237	. . . . 5 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ 𝒫 𝐵) → 𝑄 = ((𝑥 ∈ (𝐵 ↑m (𝐵 ↑m 1o)) ↦ (𝑥 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})))) ∘ (𝐸‘𝑅)))
10	6, 9	syldan 591	. . . 4 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆)) → 𝑄 = ((𝑥 ∈ (𝐵 ↑m (𝐵 ↑m 1o)) ↦ (𝑥 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})))) ∘ (𝐸‘𝑅)))
11	10	fveq1d 6832	. . 3 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆)) → (𝑄‘𝐴) = (((𝑥 ∈ (𝐵 ↑m (𝐵 ↑m 1o)) ↦ (𝑥 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})))) ∘ (𝐸‘𝑅))‘𝐴))
12	11	3adant3 1132	. 2 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆) ∧ 𝐴 ∈ 𝐾) → (𝑄‘𝐴) = (((𝑥 ∈ (𝐵 ↑m (𝐵 ↑m 1o)) ↦ (𝑥 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})))) ∘ (𝐸‘𝑅))‘𝐴))
13		1on 8405	. . . . 5 ⊢ 1o ∈ On
14		simp1 1136	. . . . 5 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆) ∧ 𝐴 ∈ 𝐾) → 𝑆 ∈ CRing)
15		simp2 1137	. . . . 5 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆) ∧ 𝐴 ∈ 𝐾) → 𝑅 ∈ (SubRing‘𝑆))
16	8	fveq1i 6831	. . . . . 6 ⊢ (𝐸‘𝑅) = ((1o evalSub 𝑆)‘𝑅)
17		evls1val.m	. . . . . 6 ⊢ 𝑀 = (1o mPoly (𝑆 ↾s 𝑅))
18		eqid 2733	. . . . . 6 ⊢ (𝑆 ↾s 𝑅) = (𝑆 ↾s 𝑅)
19		eqid 2733	. . . . . 6 ⊢ (𝑆 ↑s (𝐵 ↑m 1o)) = (𝑆 ↑s (𝐵 ↑m 1o))
20	16, 17, 18, 19, 1	evlsrhm 22026	. . . . 5 ⊢ ((1o ∈ On ∧ 𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆)) → (𝐸‘𝑅) ∈ (𝑀 RingHom (𝑆 ↑s (𝐵 ↑m 1o))))
21	13, 14, 15, 20	mp3an2i 1468	. . . 4 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆) ∧ 𝐴 ∈ 𝐾) → (𝐸‘𝑅) ∈ (𝑀 RingHom (𝑆 ↑s (𝐵 ↑m 1o))))
22		evls1val.k	. . . . 5 ⊢ 𝐾 = (Base‘𝑀)
23		eqid 2733	. . . . 5 ⊢ (Base‘(𝑆 ↑s (𝐵 ↑m 1o))) = (Base‘(𝑆 ↑s (𝐵 ↑m 1o)))
24	22, 23	rhmf 20406	. . . 4 ⊢ ((𝐸‘𝑅) ∈ (𝑀 RingHom (𝑆 ↑s (𝐵 ↑m 1o))) → (𝐸‘𝑅):𝐾⟶(Base‘(𝑆 ↑s (𝐵 ↑m 1o))))
25	21, 24	syl 17	. . 3 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆) ∧ 𝐴 ∈ 𝐾) → (𝐸‘𝑅):𝐾⟶(Base‘(𝑆 ↑s (𝐵 ↑m 1o))))
26		simp3 1138	. . 3 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆) ∧ 𝐴 ∈ 𝐾) → 𝐴 ∈ 𝐾)
27		fvco3 6929	. . 3 ⊢ (((𝐸‘𝑅):𝐾⟶(Base‘(𝑆 ↑s (𝐵 ↑m 1o))) ∧ 𝐴 ∈ 𝐾) → (((𝑥 ∈ (𝐵 ↑m (𝐵 ↑m 1o)) ↦ (𝑥 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})))) ∘ (𝐸‘𝑅))‘𝐴) = ((𝑥 ∈ (𝐵 ↑m (𝐵 ↑m 1o)) ↦ (𝑥 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))))‘((𝐸‘𝑅)‘𝐴)))
28	25, 26, 27	syl2anc 584	. 2 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆) ∧ 𝐴 ∈ 𝐾) → (((𝑥 ∈ (𝐵 ↑m (𝐵 ↑m 1o)) ↦ (𝑥 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})))) ∘ (𝐸‘𝑅))‘𝐴) = ((𝑥 ∈ (𝐵 ↑m (𝐵 ↑m 1o)) ↦ (𝑥 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))))‘((𝐸‘𝑅)‘𝐴)))
29	25, 26	ffvelcdmd 7026	. . . 4 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆) ∧ 𝐴 ∈ 𝐾) → ((𝐸‘𝑅)‘𝐴) ∈ (Base‘(𝑆 ↑s (𝐵 ↑m 1o))))
30		ovex 7387	. . . . 5 ⊢ (𝐵 ↑m 1o) ∈ V
31	19, 1	pwsbas 17395	. . . . 5 ⊢ ((𝑆 ∈ CRing ∧ (𝐵 ↑m 1o) ∈ V) → (𝐵 ↑m (𝐵 ↑m 1o)) = (Base‘(𝑆 ↑s (𝐵 ↑m 1o))))
32	14, 30, 31	sylancl 586	. . . 4 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆) ∧ 𝐴 ∈ 𝐾) → (𝐵 ↑m (𝐵 ↑m 1o)) = (Base‘(𝑆 ↑s (𝐵 ↑m 1o))))
33	29, 32	eleqtrrd 2836	. . 3 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆) ∧ 𝐴 ∈ 𝐾) → ((𝐸‘𝑅)‘𝐴) ∈ (𝐵 ↑m (𝐵 ↑m 1o)))
34		coeq1 5803	. . . 4 ⊢ (𝑥 = ((𝐸‘𝑅)‘𝐴) → (𝑥 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))) = (((𝐸‘𝑅)‘𝐴) ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))))
35		eqid 2733	. . . 4 ⊢ (𝑥 ∈ (𝐵 ↑m (𝐵 ↑m 1o)) ↦ (𝑥 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})))) = (𝑥 ∈ (𝐵 ↑m (𝐵 ↑m 1o)) ↦ (𝑥 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))))
36		fvex 6843	. . . . 5 ⊢ ((𝐸‘𝑅)‘𝐴) ∈ V
37	1	fvexi 6844	. . . . . 6 ⊢ 𝐵 ∈ V
38	37	mptex 7165	. . . . 5 ⊢ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})) ∈ V
39	36, 38	coex 7868	. . . 4 ⊢ (((𝐸‘𝑅)‘𝐴) ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))) ∈ V
40	34, 35, 39	fvmpt 6937	. . 3 ⊢ (((𝐸‘𝑅)‘𝐴) ∈ (𝐵 ↑m (𝐵 ↑m 1o)) → ((𝑥 ∈ (𝐵 ↑m (𝐵 ↑m 1o)) ↦ (𝑥 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))))‘((𝐸‘𝑅)‘𝐴)) = (((𝐸‘𝑅)‘𝐴) ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))))
41	33, 40	syl 17	. 2 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆) ∧ 𝐴 ∈ 𝐾) → ((𝑥 ∈ (𝐵 ↑m (𝐵 ↑m 1o)) ↦ (𝑥 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))))‘((𝐸‘𝑅)‘𝐴)) = (((𝐸‘𝑅)‘𝐴) ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))))
42	12, 28, 41	3eqtrd 2772	1 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆) ∧ 𝐴 ∈ 𝐾) → (𝑄‘𝐴) = (((𝐸‘𝑅)‘𝐴) ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))))

Syntax hints:   → wi 4   ↔ wb 206   ∧ wa 395   ∧ w3a 1086   = wceq 1541   ∈ wcel 2113  Vcvv 3437   ⊆ wss 3898  𝒫 cpw 4551  {csn 4577   ↦ cmpt 5176   × cxp 5619   ∘ ccom 5625  Oncon0 6313  ⟶wf 6484  ‘cfv 6488  (class class class)co 7354  1_oc1o 8386   ↑_m cmap 8758  Basecbs 17124   ↾_s cress 17145   ↑_s cpws 17354  CRingccrg 20156   RingHom crh 20391  SubRingcsubrg 20488   mPoly cmpl 21847   evalSub ces 22010   evalSub₁ ces1 22231

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1968  ax-7 2009  ax-8 2115  ax-9 2123  ax-10 2146  ax-11 2162  ax-12 2182  ax-ext 2705  ax-rep 5221  ax-sep 5238  ax-nul 5248  ax-pow 5307  ax-pr 5374  ax-un 7676  ax-cnex 11071  ax-resscn 11072  ax-1cn 11073  ax-icn 11074  ax-addcl 11075  ax-addrcl 11076  ax-mulcl 11077  ax-mulrcl 11078  ax-mulcom 11079  ax-addass 11080  ax-mulass 11081  ax-distr 11082  ax-i2m1 11083  ax-1ne0 11084  ax-1rid 11085  ax-rnegex 11086  ax-rrecex 11087  ax-cnre 11088  ax-pre-lttri 11089  ax-pre-lttrn 11090  ax-pre-ltadd 11091  ax-pre-mulgt0 11092

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-nf 1785  df-sb 2068  df-mo 2537  df-eu 2566  df-clab 2712  df-cleq 2725  df-clel 2808  df-nfc 2882  df-ne 2930  df-nel 3034  df-ral 3049  df-rex 3058  df-rmo 3347  df-reu 3348  df-rab 3397  df-v 3439  df-sbc 3738  df-csb 3847  df-dif 3901  df-un 3903  df-in 3905  df-ss 3915  df-pss 3918  df-nul 4283  df-if 4477  df-pw 4553  df-sn 4578  df-pr 4580  df-tp 4582  df-op 4584  df-uni 4861  df-int 4900  df-iun 4945  df-iin 4946  df-br 5096  df-opab 5158  df-mpt 5177  df-tr 5203  df-id 5516  df-eprel 5521  df-po 5529  df-so 5530  df-fr 5574  df-se 5575  df-we 5576  df-xp 5627  df-rel 5628  df-cnv 5629  df-co 5630  df-dm 5631  df-rn 5632  df-res 5633  df-ima 5634  df-pred 6255  df-ord 6316  df-on 6317  df-lim 6318  df-suc 6319  df-iota 6444  df-fun 6490  df-fn 6491  df-f 6492  df-f1 6493  df-fo 6494  df-f1o 6495  df-fv 6496  df-isom 6497  df-riota 7311  df-ov 7357  df-oprab 7358  df-mpo 7359  df-of 7618  df-ofr 7619  df-om 7805  df-1st 7929  df-2nd 7930  df-supp 8099  df-frecs 8219  df-wrecs 8250  df-recs 8299  df-rdg 8337  df-1o 8393  df-2o 8394  df-er 8630  df-map 8760  df-pm 8761  df-ixp 8830  df-en 8878  df-dom 8879  df-sdom 8880  df-fin 8881  df-fsupp 9255  df-sup 9335  df-oi 9405  df-card 9841  df-pnf 11157  df-mnf 11158  df-xr 11159  df-ltxr 11160  df-le 11161  df-sub 11355  df-neg 11356  df-nn 12135  df-2 12197  df-3 12198  df-4 12199  df-5 12200  df-6 12201  df-7 12202  df-8 12203  df-9 12204  df-n0 12391  df-z 12478  df-dec 12597  df-uz 12741  df-fz 13412  df-fzo 13559  df-seq 13913  df-hash 14242  df-struct 17062  df-sets 17079  df-slot 17097  df-ndx 17109  df-base 17125  df-ress 17146  df-plusg 17178  df-mulr 17179  df-sca 17181  df-vsca 17182  df-ip 17183  df-tset 17184  df-ple 17185  df-ds 17187  df-hom 17189  df-cco 17190  df-0g 17349  df-gsum 17350  df-prds 17355  df-pws 17357  df-mre 17492  df-mrc 17493  df-acs 17495  df-mgm 18552  df-sgrp 18631  df-mnd 18647  df-mhm 18695  df-submnd 18696  df-grp 18853  df-minusg 18854  df-sbg 18855  df-mulg 18985  df-subg 19040  df-ghm 19129  df-cntz 19233  df-cmn 19698  df-abl 19699  df-mgp 20063  df-rng 20075  df-ur 20104  df-srg 20109  df-ring 20157  df-cring 20158  df-rhm 20394  df-subrng 20465  df-subrg 20489  df-lmod 20799  df-lss 20869  df-lsp 20909  df-assa 21794  df-asp 21795  df-ascl 21796  df-psr 21850  df-mvr 21851  df-mpl 21852  df-evls 22012  df-evls1 22233

This theorem is referenced by:  evls1var  22256