Theorem evls1val 22236

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 20488	. . . . . . 7 ⊢ (𝑅 ∈ (SubRing‘𝑆) → 𝑅 ⊆ 𝐵)
3	2	adantl 481	. . . . . 6 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆)) → 𝑅 ⊆ 𝐵)
4		elpwg 4553	. . . . . . 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 22235	. . . . 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 6824	. . 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 8397	. . . . 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 6823	. . . . . 6 ⊢ (𝐸‘𝑅) = ((1o evalSub 𝑆)‘𝑅)
17		evls1val.m	. . . . . 6 ⊢ 𝑀 = (1o mPoly (𝑆 ↾s 𝑅))
18		eqid 2731	. . . . . 6 ⊢ (𝑆 ↾s 𝑅) = (𝑆 ↾s 𝑅)
19		eqid 2731	. . . . . 6 ⊢ (𝑆 ↑s (𝐵 ↑m 1o)) = (𝑆 ↑s (𝐵 ↑m 1o))
20	16, 17, 18, 19, 1	evlsrhm 22024	. . . . 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 2731	. . . . 5 ⊢ (Base‘(𝑆 ↑s (𝐵 ↑m 1o))) = (Base‘(𝑆 ↑s (𝐵 ↑m 1o)))
24	22, 23	rhmf 20403	. . . 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 6921	. . 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 7018	. . . 4 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆) ∧ 𝐴 ∈ 𝐾) → ((𝐸‘𝑅)‘𝐴) ∈ (Base‘(𝑆 ↑s (𝐵 ↑m 1o))))
30		ovex 7379	. . . . 5 ⊢ (𝐵 ↑m 1o) ∈ V
31	19, 1	pwsbas 17391	. . . . 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 2834	. . 3 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆) ∧ 𝐴 ∈ 𝐾) → ((𝐸‘𝑅)‘𝐴) ∈ (𝐵 ↑m (𝐵 ↑m 1o)))
34		coeq1 5797	. . . 4 ⊢ (𝑥 = ((𝐸‘𝑅)‘𝐴) → (𝑥 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))) = (((𝐸‘𝑅)‘𝐴) ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))))
35		eqid 2731	. . . 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 6835	. . . . 5 ⊢ ((𝐸‘𝑅)‘𝐴) ∈ V
37	1	fvexi 6836	. . . . . 6 ⊢ 𝐵 ∈ V
38	37	mptex 7157	. . . . 5 ⊢ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})) ∈ V
39	36, 38	coex 7860	. . . 4 ⊢ (((𝐸‘𝑅)‘𝐴) ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))) ∈ V
40	34, 35, 39	fvmpt 6929	. . 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 2770	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 2111  Vcvv 3436   ⊆ wss 3902  𝒫 cpw 4550  {csn 4576   ↦ cmpt 5172   × cxp 5614   ∘ ccom 5620  Oncon0 6306  ⟶wf 6477  ‘cfv 6481  (class class class)co 7346  1_oc1o 8378   ↑_m cmap 8750  Basecbs 17120   ↾_s cress 17141   ↑_s cpws 17350  CRingccrg 20153   RingHom crh 20388  SubRingcsubrg 20485   mPoly cmpl 21844   evalSub ces 22008   evalSub₁ ces1 22229

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 2113  ax-9 2121  ax-10 2144  ax-11 2160  ax-12 2180  ax-ext 2703  ax-rep 5217  ax-sep 5234  ax-nul 5244  ax-pow 5303  ax-pr 5370  ax-un 7668  ax-cnex 11062  ax-resscn 11063  ax-1cn 11064  ax-icn 11065  ax-addcl 11066  ax-addrcl 11067  ax-mulcl 11068  ax-mulrcl 11069  ax-mulcom 11070  ax-addass 11071  ax-mulass 11072  ax-distr 11073  ax-i2m1 11074  ax-1ne0 11075  ax-1rid 11076  ax-rnegex 11077  ax-rrecex 11078  ax-cnre 11079  ax-pre-lttri 11080  ax-pre-lttrn 11081  ax-pre-ltadd 11082  ax-pre-mulgt0 11083

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 2535  df-eu 2564  df-clab 2710  df-cleq 2723  df-clel 2806  df-nfc 2881  df-ne 2929  df-nel 3033  df-ral 3048  df-rex 3057  df-rmo 3346  df-reu 3347  df-rab 3396  df-v 3438  df-sbc 3742  df-csb 3851  df-dif 3905  df-un 3907  df-in 3909  df-ss 3919  df-pss 3922  df-nul 4284  df-if 4476  df-pw 4552  df-sn 4577  df-pr 4579  df-tp 4581  df-op 4583  df-uni 4860  df-int 4898  df-iun 4943  df-iin 4944  df-br 5092  df-opab 5154  df-mpt 5173  df-tr 5199  df-id 5511  df-eprel 5516  df-po 5524  df-so 5525  df-fr 5569  df-se 5570  df-we 5571  df-xp 5622  df-rel 5623  df-cnv 5624  df-co 5625  df-dm 5626  df-rn 5627  df-res 5628  df-ima 5629  df-pred 6248  df-ord 6309  df-on 6310  df-lim 6311  df-suc 6312  df-iota 6437  df-fun 6483  df-fn 6484  df-f 6485  df-f1 6486  df-fo 6487  df-f1o 6488  df-fv 6489  df-isom 6490  df-riota 7303  df-ov 7349  df-oprab 7350  df-mpo 7351  df-of 7610  df-ofr 7611  df-om 7797  df-1st 7921  df-2nd 7922  df-supp 8091  df-frecs 8211  df-wrecs 8242  df-recs 8291  df-rdg 8329  df-1o 8385  df-2o 8386  df-er 8622  df-map 8752  df-pm 8753  df-ixp 8822  df-en 8870  df-dom 8871  df-sdom 8872  df-fin 8873  df-fsupp 9246  df-sup 9326  df-oi 9396  df-card 9832  df-pnf 11148  df-mnf 11149  df-xr 11150  df-ltxr 11151  df-le 11152  df-sub 11346  df-neg 11347  df-nn 12126  df-2 12188  df-3 12189  df-4 12190  df-5 12191  df-6 12192  df-7 12193  df-8 12194  df-9 12195  df-n0 12382  df-z 12469  df-dec 12589  df-uz 12733  df-fz 13408  df-fzo 13555  df-seq 13909  df-hash 14238  df-struct 17058  df-sets 17075  df-slot 17093  df-ndx 17105  df-base 17121  df-ress 17142  df-plusg 17174  df-mulr 17175  df-sca 17177  df-vsca 17178  df-ip 17179  df-tset 17180  df-ple 17181  df-ds 17183  df-hom 17185  df-cco 17186  df-0g 17345  df-gsum 17346  df-prds 17351  df-pws 17353  df-mre 17488  df-mrc 17489  df-acs 17491  df-mgm 18548  df-sgrp 18627  df-mnd 18643  df-mhm 18691  df-submnd 18692  df-grp 18849  df-minusg 18850  df-sbg 18851  df-mulg 18981  df-subg 19036  df-ghm 19126  df-cntz 19230  df-cmn 19695  df-abl 19696  df-mgp 20060  df-rng 20072  df-ur 20101  df-srg 20106  df-ring 20154  df-cring 20155  df-rhm 20391  df-subrng 20462  df-subrg 20486  df-lmod 20796  df-lss 20866  df-lsp 20906  df-assa 21791  df-asp 21792  df-ascl 21793  df-psr 21847  df-mvr 21848  df-mpl 21849  df-evls 22010  df-evls1 22231

This theorem is referenced by:  evls1var  22254