Theorem evls1val 19506

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 18604	. . . . . . 7 ⊢ (𝑅 ∈ (SubRing‘𝑆) → 𝑅 ⊆ 𝐵)
3	2	adantl 481	. . . . . 6 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆)) → 𝑅 ⊆ 𝐵)
4		elpwg 4116	. . . . . . 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 246	. . . . 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 19505	. . . . 5 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ 𝒫 𝐵) → 𝑄 = ((𝑥 ∈ (𝐵 ↑𝑚 (𝐵 ↑𝑚 1𝑜)) ↦ (𝑥 ∘ (𝑦 ∈ 𝐵 ↦ (1𝑜 × {𝑦})))) ∘ (𝐸‘𝑅)))
10	6, 9	syldan 486	. . . 4 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆)) → 𝑄 = ((𝑥 ∈ (𝐵 ↑𝑚 (𝐵 ↑𝑚 1𝑜)) ↦ (𝑥 ∘ (𝑦 ∈ 𝐵 ↦ (1𝑜 × {𝑦})))) ∘ (𝐸‘𝑅)))
11	10	fveq1d 6105	. . 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 1074	. 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 7454	. . . . . 6 ⊢ 1𝑜 ∈ On
14	13	a1i 11	. . . . 5 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆) ∧ 𝐴 ∈ 𝐾) → 1𝑜 ∈ On)
15		simp1 1054	. . . . 5 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆) ∧ 𝐴 ∈ 𝐾) → 𝑆 ∈ CRing)
16		simp2 1055	. . . . 5 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆) ∧ 𝐴 ∈ 𝐾) → 𝑅 ∈ (SubRing‘𝑆))
17	8	fveq1i 6104	. . . . . 6 ⊢ (𝐸‘𝑅) = ((1𝑜 evalSub 𝑆)‘𝑅)
18		evls1val.m	. . . . . 6 ⊢ 𝑀 = (1𝑜 mPoly (𝑆 ↾s 𝑅))
19		eqid 2610	. . . . . 6 ⊢ (𝑆 ↾s 𝑅) = (𝑆 ↾s 𝑅)
20		eqid 2610	. . . . . 6 ⊢ (𝑆 ↑s (𝐵 ↑𝑚 1𝑜)) = (𝑆 ↑s (𝐵 ↑𝑚 1𝑜))
21	17, 18, 19, 20, 1	evlsrhm 19342	. . . . 5 ⊢ ((1𝑜 ∈ On ∧ 𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆)) → (𝐸‘𝑅) ∈ (𝑀 RingHom (𝑆 ↑s (𝐵 ↑𝑚 1𝑜))))
22	14, 15, 16, 21	syl3anc 1318	. . . 4 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆) ∧ 𝐴 ∈ 𝐾) → (𝐸‘𝑅) ∈ (𝑀 RingHom (𝑆 ↑s (𝐵 ↑𝑚 1𝑜))))
23		evls1val.k	. . . . 5 ⊢ 𝐾 = (Base‘𝑀)
24		eqid 2610	. . . . 5 ⊢ (Base‘(𝑆 ↑s (𝐵 ↑𝑚 1𝑜))) = (Base‘(𝑆 ↑s (𝐵 ↑𝑚 1𝑜)))
25	23, 24	rhmf 18549	. . . 4 ⊢ ((𝐸‘𝑅) ∈ (𝑀 RingHom (𝑆 ↑s (𝐵 ↑𝑚 1𝑜))) → (𝐸‘𝑅):𝐾⟶(Base‘(𝑆 ↑s (𝐵 ↑𝑚 1𝑜))))
26	22, 25	syl 17	. . 3 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆) ∧ 𝐴 ∈ 𝐾) → (𝐸‘𝑅):𝐾⟶(Base‘(𝑆 ↑s (𝐵 ↑𝑚 1𝑜))))
27		simp3 1056	. . 3 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆) ∧ 𝐴 ∈ 𝐾) → 𝐴 ∈ 𝐾)
28		fvco3 6185	. . 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)))
29	26, 27, 28	syl2anc 691	. 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)))
30	26, 27	ffvelrnd 6268	. . . 4 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆) ∧ 𝐴 ∈ 𝐾) → ((𝐸‘𝑅)‘𝐴) ∈ (Base‘(𝑆 ↑s (𝐵 ↑𝑚 1𝑜))))
31		ovex 6577	. . . . 5 ⊢ (𝐵 ↑𝑚 1𝑜) ∈ V
32	20, 1	pwsbas 15970	. . . . 5 ⊢ ((𝑆 ∈ CRing ∧ (𝐵 ↑𝑚 1𝑜) ∈ V) → (𝐵 ↑𝑚 (𝐵 ↑𝑚 1𝑜)) = (Base‘(𝑆 ↑s (𝐵 ↑𝑚 1𝑜))))
33	15, 31, 32	sylancl 693	. . . 4 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆) ∧ 𝐴 ∈ 𝐾) → (𝐵 ↑𝑚 (𝐵 ↑𝑚 1𝑜)) = (Base‘(𝑆 ↑s (𝐵 ↑𝑚 1𝑜))))
34	30, 33	eleqtrrd 2691	. . 3 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆) ∧ 𝐴 ∈ 𝐾) → ((𝐸‘𝑅)‘𝐴) ∈ (𝐵 ↑𝑚 (𝐵 ↑𝑚 1𝑜)))
35		coeq1 5201	. . . 4 ⊢ (𝑥 = ((𝐸‘𝑅)‘𝐴) → (𝑥 ∘ (𝑦 ∈ 𝐵 ↦ (1𝑜 × {𝑦}))) = (((𝐸‘𝑅)‘𝐴) ∘ (𝑦 ∈ 𝐵 ↦ (1𝑜 × {𝑦}))))
36		eqid 2610	. . . 4 ⊢ (𝑥 ∈ (𝐵 ↑𝑚 (𝐵 ↑𝑚 1𝑜)) ↦ (𝑥 ∘ (𝑦 ∈ 𝐵 ↦ (1𝑜 × {𝑦})))) = (𝑥 ∈ (𝐵 ↑𝑚 (𝐵 ↑𝑚 1𝑜)) ↦ (𝑥 ∘ (𝑦 ∈ 𝐵 ↦ (1𝑜 × {𝑦}))))
37		fvex 6113	. . . . 5 ⊢ ((𝐸‘𝑅)‘𝐴) ∈ V
38		fvex 6113	. . . . . . 7 ⊢ (Base‘𝑆) ∈ V
39	1, 38	eqeltri 2684	. . . . . 6 ⊢ 𝐵 ∈ V
40	39	mptex 6390	. . . . 5 ⊢ (𝑦 ∈ 𝐵 ↦ (1𝑜 × {𝑦})) ∈ V
41	37, 40	coex 7011	. . . 4 ⊢ (((𝐸‘𝑅)‘𝐴) ∘ (𝑦 ∈ 𝐵 ↦ (1𝑜 × {𝑦}))) ∈ V
42	35, 36, 41	fvmpt 6191	. . 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}))))
43	34, 42	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}))))
44	12, 29, 43	3eqtrd 2648	1 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆) ∧ 𝐴 ∈ 𝐾) → (𝑄‘𝐴) = (((𝐸‘𝑅)‘𝐴) ∘ (𝑦 ∈ 𝐵 ↦ (1𝑜 × {𝑦}))))

Syntax hints:   → wi 4   ↔ wb 195   ∧ wa 383   ∧ w3a 1031   = wceq 1475   ∈ wcel 1977  Vcvv 3173   ⊆ wss 3540  𝒫 cpw 4108  {csn 4125   ↦ cmpt 4643   × cxp 5036   ∘ ccom 5042  Oncon0 5640  ⟶wf 5800  ‘cfv 5804  (class class class)co 6549  1_𝑜c1o 7440   ↑_𝑚 cmap 7744  Basecbs 15695   ↾_s cress 15696   ↑_s cpws 15930  CRingccrg 18371   RingHom crh 18535  SubRingcsubrg 18599   mPoly cmpl 19174   evalSub ces 19325   evalSub₁ ces1 19499

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1713  ax-4 1728  ax-5 1827  ax-6 1875  ax-7 1922  ax-8 1979  ax-9 1986  ax-10 2006  ax-11 2021  ax-12 2034  ax-13 2234  ax-ext 2590  ax-rep 4699  ax-sep 4709  ax-nul 4717  ax-pow 4769  ax-pr 4833  ax-un 6847  ax-inf2 8421  ax-cnex 9871  ax-resscn 9872  ax-1cn 9873  ax-icn 9874  ax-addcl 9875  ax-addrcl 9876  ax-mulcl 9877  ax-mulrcl 9878  ax-mulcom 9879  ax-addass 9880  ax-mulass 9881  ax-distr 9882  ax-i2m1 9883  ax-1ne0 9884  ax-1rid 9885  ax-rnegex 9886  ax-rrecex 9887  ax-cnre 9888  ax-pre-lttri 9889  ax-pre-lttrn 9890  ax-pre-ltadd 9891  ax-pre-mulgt0 9892

This theorem depends on definitions:  df-bi 196  df-or 384  df-an 385  df-3or 1032  df-3an 1033  df-tru 1478  df-ex 1696  df-nf 1701  df-sb 1868  df-eu 2462  df-mo 2463  df-clab 2597  df-cleq 2603  df-clel 2606  df-nfc 2740  df-ne 2782  df-nel 2783  df-ral 2901  df-rex 2902  df-reu 2903  df-rmo 2904  df-rab 2905  df-v 3175  df-sbc 3403  df-csb 3500  df-dif 3543  df-un 3545  df-in 3547  df-ss 3554  df-pss 3556  df-nul 3875  df-if 4037  df-pw 4110  df-sn 4126  df-pr 4128  df-tp 4130  df-op 4132  df-uni 4373  df-int 4411  df-iun 4457  df-iin 4458  df-br 4584  df-opab 4644  df-mpt 4645  df-tr 4681  df-eprel 4949  df-id 4953  df-po 4959  df-so 4960  df-fr 4997  df-se 4998  df-we 4999  df-xp 5044  df-rel 5045  df-cnv 5046  df-co 5047  df-dm 5048  df-rn 5049  df-res 5050  df-ima 5051  df-pred 5597  df-ord 5643  df-on 5644  df-lim 5645  df-suc 5646  df-iota 5768  df-fun 5806  df-fn 5807  df-f 5808  df-f1 5809  df-fo 5810  df-f1o 5811  df-fv 5812  df-isom 5813  df-riota 6511  df-ov 6552  df-oprab 6553  df-mpt2 6554  df-of 6795  df-ofr 6796  df-om 6958  df-1st 7059  df-2nd 7060  df-supp 7183  df-wrecs 7294  df-recs 7355  df-rdg 7393  df-1o 7447  df-2o 7448  df-oadd 7451  df-er 7629  df-map 7746  df-pm 7747  df-ixp 7795  df-en 7842  df-dom 7843  df-sdom 7844  df-fin 7845  df-fsupp 8159  df-sup 8231  df-oi 8298  df-card 8648  df-pnf 9955  df-mnf 9956  df-xr 9957  df-ltxr 9958  df-le 9959  df-sub 10147  df-neg 10148  df-nn 10898  df-2 10956  df-3 10957  df-4 10958  df-5 10959  df-6 10960  df-7 10961  df-8 10962  df-9 10963  df-n0 11170  df-z 11255  df-dec 11370  df-uz 11564  df-fz 12198  df-fzo 12335  df-seq 12664  df-hash 12980  df-struct 15697  df-ndx 15698  df-slot 15699  df-base 15700  df-sets 15701  df-ress 15702  df-plusg 15781  df-mulr 15782  df-sca 15784  df-vsca 15785  df-ip 15786  df-tset 15787  df-ple 15788  df-ds 15791  df-hom 15793  df-cco 15794  df-0g 15925  df-gsum 15926  df-prds 15931  df-pws 15933  df-mre 16069  df-mrc 16070  df-acs 16072  df-mgm 17065  df-sgrp 17107  df-mnd 17118  df-mhm 17158  df-submnd 17159  df-grp 17248  df-minusg 17249  df-sbg 17250  df-mulg 17364  df-subg 17414  df-ghm 17481  df-cntz 17573  df-cmn 18018  df-abl 18019  df-mgp 18313  df-ur 18325  df-srg 18329  df-ring 18372  df-cring 18373  df-rnghom 18538  df-subrg 18601  df-lmod 18688  df-lss 18754  df-lsp 18793  df-assa 19133  df-asp 19134  df-ascl 19135  df-psr 19177  df-mvr 19178  df-mpl 19179  df-evls 19327  df-evls1 19501

This theorem is referenced by:  evls1var  19523