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Mirrors > Home > MPE Home > Th. List > mpfpf1 | Structured version Visualization version GIF version |
Description: Convert a multivariate polynomial function to univariate. (Contributed by Mario Carneiro, 12-Jun-2015.) |
Ref | Expression |
---|---|
pf1rcl.q | ⊢ 𝑄 = ran (eval1‘𝑅) |
pf1f.b | ⊢ 𝐵 = (Base‘𝑅) |
mpfpf1.q | ⊢ 𝐸 = ran (1o eval 𝑅) |
Ref | Expression |
---|---|
mpfpf1 | ⊢ (𝐹 ∈ 𝐸 → (𝐹 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))) ∈ 𝑄) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mpfpf1.q | . . . . 5 ⊢ 𝐸 = ran (1o eval 𝑅) | |
2 | eqid 2736 | . . . . . . 7 ⊢ (1o eval 𝑅) = (1o eval 𝑅) | |
3 | pf1f.b | . . . . . . 7 ⊢ 𝐵 = (Base‘𝑅) | |
4 | 2, 3 | evlval 21009 | . . . . . 6 ⊢ (1o eval 𝑅) = ((1o evalSub 𝑅)‘𝐵) |
5 | 4 | rneqi 5791 | . . . . 5 ⊢ ran (1o eval 𝑅) = ran ((1o evalSub 𝑅)‘𝐵) |
6 | 1, 5 | eqtri 2759 | . . . 4 ⊢ 𝐸 = ran ((1o evalSub 𝑅)‘𝐵) |
7 | 6 | mpfrcl 20999 | . . 3 ⊢ (𝐹 ∈ 𝐸 → (1o ∈ V ∧ 𝑅 ∈ CRing ∧ 𝐵 ∈ (SubRing‘𝑅))) |
8 | 7 | simp2d 1145 | . 2 ⊢ (𝐹 ∈ 𝐸 → 𝑅 ∈ CRing) |
9 | id 22 | . . . 4 ⊢ (𝐹 ∈ 𝐸 → 𝐹 ∈ 𝐸) | |
10 | 9, 1 | eleqtrdi 2841 | . . 3 ⊢ (𝐹 ∈ 𝐸 → 𝐹 ∈ ran (1o eval 𝑅)) |
11 | 1on 8187 | . . . . 5 ⊢ 1o ∈ On | |
12 | eqid 2736 | . . . . . 6 ⊢ (1o mPoly 𝑅) = (1o mPoly 𝑅) | |
13 | eqid 2736 | . . . . . 6 ⊢ (𝑅 ↑s (𝐵 ↑m 1o)) = (𝑅 ↑s (𝐵 ↑m 1o)) | |
14 | 2, 3, 12, 13 | evlrhm 21010 | . . . . 5 ⊢ ((1o ∈ On ∧ 𝑅 ∈ CRing) → (1o eval 𝑅) ∈ ((1o mPoly 𝑅) RingHom (𝑅 ↑s (𝐵 ↑m 1o)))) |
15 | 11, 8, 14 | sylancr 590 | . . . 4 ⊢ (𝐹 ∈ 𝐸 → (1o eval 𝑅) ∈ ((1o mPoly 𝑅) RingHom (𝑅 ↑s (𝐵 ↑m 1o)))) |
16 | eqid 2736 | . . . . . 6 ⊢ (Poly1‘𝑅) = (Poly1‘𝑅) | |
17 | eqid 2736 | . . . . . 6 ⊢ (PwSer1‘𝑅) = (PwSer1‘𝑅) | |
18 | eqid 2736 | . . . . . 6 ⊢ (Base‘(Poly1‘𝑅)) = (Base‘(Poly1‘𝑅)) | |
19 | 16, 17, 18 | ply1bas 21070 | . . . . 5 ⊢ (Base‘(Poly1‘𝑅)) = (Base‘(1o mPoly 𝑅)) |
20 | eqid 2736 | . . . . 5 ⊢ (Base‘(𝑅 ↑s (𝐵 ↑m 1o))) = (Base‘(𝑅 ↑s (𝐵 ↑m 1o))) | |
21 | 19, 20 | rhmf 19700 | . . . 4 ⊢ ((1o eval 𝑅) ∈ ((1o mPoly 𝑅) RingHom (𝑅 ↑s (𝐵 ↑m 1o))) → (1o eval 𝑅):(Base‘(Poly1‘𝑅))⟶(Base‘(𝑅 ↑s (𝐵 ↑m 1o)))) |
22 | ffn 6523 | . . . 4 ⊢ ((1o eval 𝑅):(Base‘(Poly1‘𝑅))⟶(Base‘(𝑅 ↑s (𝐵 ↑m 1o))) → (1o eval 𝑅) Fn (Base‘(Poly1‘𝑅))) | |
23 | fvelrnb 6751 | . . . 4 ⊢ ((1o eval 𝑅) Fn (Base‘(Poly1‘𝑅)) → (𝐹 ∈ ran (1o eval 𝑅) ↔ ∃𝑥 ∈ (Base‘(Poly1‘𝑅))((1o eval 𝑅)‘𝑥) = 𝐹)) | |
24 | 15, 21, 22, 23 | 4syl 19 | . . 3 ⊢ (𝐹 ∈ 𝐸 → (𝐹 ∈ ran (1o eval 𝑅) ↔ ∃𝑥 ∈ (Base‘(Poly1‘𝑅))((1o eval 𝑅)‘𝑥) = 𝐹)) |
25 | 10, 24 | mpbid 235 | . 2 ⊢ (𝐹 ∈ 𝐸 → ∃𝑥 ∈ (Base‘(Poly1‘𝑅))((1o eval 𝑅)‘𝑥) = 𝐹) |
26 | eqid 2736 | . . . . . 6 ⊢ (eval1‘𝑅) = (eval1‘𝑅) | |
27 | 26, 2, 3, 12, 19 | evl1val 21199 | . . . . 5 ⊢ ((𝑅 ∈ CRing ∧ 𝑥 ∈ (Base‘(Poly1‘𝑅))) → ((eval1‘𝑅)‘𝑥) = (((1o eval 𝑅)‘𝑥) ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})))) |
28 | eqid 2736 | . . . . . . . . 9 ⊢ (𝑅 ↑s 𝐵) = (𝑅 ↑s 𝐵) | |
29 | 26, 16, 28, 3 | evl1rhm 21202 | . . . . . . . 8 ⊢ (𝑅 ∈ CRing → (eval1‘𝑅) ∈ ((Poly1‘𝑅) RingHom (𝑅 ↑s 𝐵))) |
30 | eqid 2736 | . . . . . . . . 9 ⊢ (Base‘(𝑅 ↑s 𝐵)) = (Base‘(𝑅 ↑s 𝐵)) | |
31 | 18, 30 | rhmf 19700 | . . . . . . . 8 ⊢ ((eval1‘𝑅) ∈ ((Poly1‘𝑅) RingHom (𝑅 ↑s 𝐵)) → (eval1‘𝑅):(Base‘(Poly1‘𝑅))⟶(Base‘(𝑅 ↑s 𝐵))) |
32 | ffn 6523 | . . . . . . . 8 ⊢ ((eval1‘𝑅):(Base‘(Poly1‘𝑅))⟶(Base‘(𝑅 ↑s 𝐵)) → (eval1‘𝑅) Fn (Base‘(Poly1‘𝑅))) | |
33 | 29, 31, 32 | 3syl 18 | . . . . . . 7 ⊢ (𝑅 ∈ CRing → (eval1‘𝑅) Fn (Base‘(Poly1‘𝑅))) |
34 | fnfvelrn 6879 | . . . . . . 7 ⊢ (((eval1‘𝑅) Fn (Base‘(Poly1‘𝑅)) ∧ 𝑥 ∈ (Base‘(Poly1‘𝑅))) → ((eval1‘𝑅)‘𝑥) ∈ ran (eval1‘𝑅)) | |
35 | 33, 34 | sylan 583 | . . . . . 6 ⊢ ((𝑅 ∈ CRing ∧ 𝑥 ∈ (Base‘(Poly1‘𝑅))) → ((eval1‘𝑅)‘𝑥) ∈ ran (eval1‘𝑅)) |
36 | pf1rcl.q | . . . . . 6 ⊢ 𝑄 = ran (eval1‘𝑅) | |
37 | 35, 36 | eleqtrrdi 2842 | . . . . 5 ⊢ ((𝑅 ∈ CRing ∧ 𝑥 ∈ (Base‘(Poly1‘𝑅))) → ((eval1‘𝑅)‘𝑥) ∈ 𝑄) |
38 | 27, 37 | eqeltrrd 2832 | . . . 4 ⊢ ((𝑅 ∈ CRing ∧ 𝑥 ∈ (Base‘(Poly1‘𝑅))) → (((1o eval 𝑅)‘𝑥) ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))) ∈ 𝑄) |
39 | coeq1 5711 | . . . . 5 ⊢ (((1o eval 𝑅)‘𝑥) = 𝐹 → (((1o eval 𝑅)‘𝑥) ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))) = (𝐹 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})))) | |
40 | 39 | eleq1d 2815 | . . . 4 ⊢ (((1o eval 𝑅)‘𝑥) = 𝐹 → ((((1o eval 𝑅)‘𝑥) ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))) ∈ 𝑄 ↔ (𝐹 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))) ∈ 𝑄)) |
41 | 38, 40 | syl5ibcom 248 | . . 3 ⊢ ((𝑅 ∈ CRing ∧ 𝑥 ∈ (Base‘(Poly1‘𝑅))) → (((1o eval 𝑅)‘𝑥) = 𝐹 → (𝐹 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))) ∈ 𝑄)) |
42 | 41 | rexlimdva 3193 | . 2 ⊢ (𝑅 ∈ CRing → (∃𝑥 ∈ (Base‘(Poly1‘𝑅))((1o eval 𝑅)‘𝑥) = 𝐹 → (𝐹 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))) ∈ 𝑄)) |
43 | 8, 25, 42 | sylc 65 | 1 ⊢ (𝐹 ∈ 𝐸 → (𝐹 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))) ∈ 𝑄) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ wa 399 = wceq 1543 ∈ wcel 2112 ∃wrex 3052 Vcvv 3398 {csn 4527 ↦ cmpt 5120 × cxp 5534 ran crn 5537 ∘ ccom 5540 Oncon0 6191 Fn wfn 6353 ⟶wf 6354 ‘cfv 6358 (class class class)co 7191 1oc1o 8173 ↑m cmap 8486 Basecbs 16666 ↑s cpws 16905 CRingccrg 19517 RingHom crh 19686 SubRingcsubrg 19750 mPoly cmpl 20819 evalSub ces 20984 eval cevl 20985 PwSer1cps1 21050 Poly1cpl1 21052 eval1ce1 21184 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2018 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2160 ax-12 2177 ax-ext 2708 ax-rep 5164 ax-sep 5177 ax-nul 5184 ax-pow 5243 ax-pr 5307 ax-un 7501 ax-cnex 10750 ax-resscn 10751 ax-1cn 10752 ax-icn 10753 ax-addcl 10754 ax-addrcl 10755 ax-mulcl 10756 ax-mulrcl 10757 ax-mulcom 10758 ax-addass 10759 ax-mulass 10760 ax-distr 10761 ax-i2m1 10762 ax-1ne0 10763 ax-1rid 10764 ax-rnegex 10765 ax-rrecex 10766 ax-cnre 10767 ax-pre-lttri 10768 ax-pre-lttrn 10769 ax-pre-ltadd 10770 ax-pre-mulgt0 10771 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2073 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2728 df-clel 2809 df-nfc 2879 df-ne 2933 df-nel 3037 df-ral 3056 df-rex 3057 df-reu 3058 df-rmo 3059 df-rab 3060 df-v 3400 df-sbc 3684 df-csb 3799 df-dif 3856 df-un 3858 df-in 3860 df-ss 3870 df-pss 3872 df-nul 4224 df-if 4426 df-pw 4501 df-sn 4528 df-pr 4530 df-tp 4532 df-op 4534 df-uni 4806 df-int 4846 df-iun 4892 df-iin 4893 df-br 5040 df-opab 5102 df-mpt 5121 df-tr 5147 df-id 5440 df-eprel 5445 df-po 5453 df-so 5454 df-fr 5494 df-se 5495 df-we 5496 df-xp 5542 df-rel 5543 df-cnv 5544 df-co 5545 df-dm 5546 df-rn 5547 df-res 5548 df-ima 5549 df-pred 6140 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 df-iota 6316 df-fun 6360 df-fn 6361 df-f 6362 df-f1 6363 df-fo 6364 df-f1o 6365 df-fv 6366 df-isom 6367 df-riota 7148 df-ov 7194 df-oprab 7195 df-mpo 7196 df-of 7447 df-ofr 7448 df-om 7623 df-1st 7739 df-2nd 7740 df-supp 7882 df-wrecs 8025 df-recs 8086 df-rdg 8124 df-1o 8180 df-er 8369 df-map 8488 df-pm 8489 df-ixp 8557 df-en 8605 df-dom 8606 df-sdom 8607 df-fin 8608 df-fsupp 8964 df-sup 9036 df-oi 9104 df-card 9520 df-pnf 10834 df-mnf 10835 df-xr 10836 df-ltxr 10837 df-le 10838 df-sub 11029 df-neg 11030 df-nn 11796 df-2 11858 df-3 11859 df-4 11860 df-5 11861 df-6 11862 df-7 11863 df-8 11864 df-9 11865 df-n0 12056 df-z 12142 df-dec 12259 df-uz 12404 df-fz 13061 df-fzo 13204 df-seq 13540 df-hash 13862 df-struct 16668 df-ndx 16669 df-slot 16670 df-base 16672 df-sets 16673 df-ress 16674 df-plusg 16762 df-mulr 16763 df-sca 16765 df-vsca 16766 df-ip 16767 df-tset 16768 df-ple 16769 df-ds 16771 df-hom 16773 df-cco 16774 df-0g 16900 df-gsum 16901 df-prds 16906 df-pws 16908 df-mre 17043 df-mrc 17044 df-acs 17046 df-mgm 18068 df-sgrp 18117 df-mnd 18128 df-mhm 18172 df-submnd 18173 df-grp 18322 df-minusg 18323 df-sbg 18324 df-mulg 18443 df-subg 18494 df-ghm 18574 df-cntz 18665 df-cmn 19126 df-abl 19127 df-mgp 19459 df-ur 19471 df-srg 19475 df-ring 19518 df-cring 19519 df-rnghom 19689 df-subrg 19752 df-lmod 19855 df-lss 19923 df-lsp 19963 df-assa 20769 df-asp 20770 df-ascl 20771 df-psr 20822 df-mvr 20823 df-mpl 20824 df-opsr 20826 df-evls 20986 df-evl 20987 df-psr1 21055 df-ply1 21057 df-evl1 21186 |
This theorem is referenced by: pf1ind 21225 |
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