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Mirrors > Home > MPE Home > Th. List > evl1sca | Structured version Visualization version GIF version |
Description: Polynomial evaluation maps scalars to constant functions. (Contributed by Mario Carneiro, 12-Jun-2015.) |
Ref | Expression |
---|---|
evl1sca.o | ⊢ 𝑂 = (eval1‘𝑅) |
evl1sca.p | ⊢ 𝑃 = (Poly1‘𝑅) |
evl1sca.b | ⊢ 𝐵 = (Base‘𝑅) |
evl1sca.a | ⊢ 𝐴 = (algSc‘𝑃) |
Ref | Expression |
---|---|
evl1sca | ⊢ ((𝑅 ∈ CRing ∧ 𝑋 ∈ 𝐵) → (𝑂‘(𝐴‘𝑋)) = (𝐵 × {𝑋})) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | crngring 19795 | . . . . . 6 ⊢ (𝑅 ∈ CRing → 𝑅 ∈ Ring) | |
2 | 1 | adantr 481 | . . . . 5 ⊢ ((𝑅 ∈ CRing ∧ 𝑋 ∈ 𝐵) → 𝑅 ∈ Ring) |
3 | evl1sca.p | . . . . . 6 ⊢ 𝑃 = (Poly1‘𝑅) | |
4 | evl1sca.a | . . . . . 6 ⊢ 𝐴 = (algSc‘𝑃) | |
5 | evl1sca.b | . . . . . 6 ⊢ 𝐵 = (Base‘𝑅) | |
6 | eqid 2738 | . . . . . 6 ⊢ (Base‘𝑃) = (Base‘𝑃) | |
7 | 3, 4, 5, 6 | ply1sclf 21456 | . . . . 5 ⊢ (𝑅 ∈ Ring → 𝐴:𝐵⟶(Base‘𝑃)) |
8 | 2, 7 | syl 17 | . . . 4 ⊢ ((𝑅 ∈ CRing ∧ 𝑋 ∈ 𝐵) → 𝐴:𝐵⟶(Base‘𝑃)) |
9 | ffvelrn 6959 | . . . 4 ⊢ ((𝐴:𝐵⟶(Base‘𝑃) ∧ 𝑋 ∈ 𝐵) → (𝐴‘𝑋) ∈ (Base‘𝑃)) | |
10 | 8, 9 | sylancom 588 | . . 3 ⊢ ((𝑅 ∈ CRing ∧ 𝑋 ∈ 𝐵) → (𝐴‘𝑋) ∈ (Base‘𝑃)) |
11 | evl1sca.o | . . . 4 ⊢ 𝑂 = (eval1‘𝑅) | |
12 | eqid 2738 | . . . 4 ⊢ (1o eval 𝑅) = (1o eval 𝑅) | |
13 | eqid 2738 | . . . 4 ⊢ (1o mPoly 𝑅) = (1o mPoly 𝑅) | |
14 | eqid 2738 | . . . . 5 ⊢ (PwSer1‘𝑅) = (PwSer1‘𝑅) | |
15 | 3, 14, 6 | ply1bas 21366 | . . . 4 ⊢ (Base‘𝑃) = (Base‘(1o mPoly 𝑅)) |
16 | 11, 12, 5, 13, 15 | evl1val 21495 | . . 3 ⊢ ((𝑅 ∈ CRing ∧ (𝐴‘𝑋) ∈ (Base‘𝑃)) → (𝑂‘(𝐴‘𝑋)) = (((1o eval 𝑅)‘(𝐴‘𝑋)) ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})))) |
17 | 10, 16 | syldan 591 | . 2 ⊢ ((𝑅 ∈ CRing ∧ 𝑋 ∈ 𝐵) → (𝑂‘(𝐴‘𝑋)) = (((1o eval 𝑅)‘(𝐴‘𝑋)) ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})))) |
18 | 3, 4 | ply1ascl 21429 | . . . . . . 7 ⊢ 𝐴 = (algSc‘(1o mPoly 𝑅)) |
19 | 5 | ressid 16954 | . . . . . . . . . 10 ⊢ (𝑅 ∈ CRing → (𝑅 ↾s 𝐵) = 𝑅) |
20 | 19 | adantr 481 | . . . . . . . . 9 ⊢ ((𝑅 ∈ CRing ∧ 𝑋 ∈ 𝐵) → (𝑅 ↾s 𝐵) = 𝑅) |
21 | 20 | oveq2d 7291 | . . . . . . . 8 ⊢ ((𝑅 ∈ CRing ∧ 𝑋 ∈ 𝐵) → (1o mPoly (𝑅 ↾s 𝐵)) = (1o mPoly 𝑅)) |
22 | 21 | fveq2d 6778 | . . . . . . 7 ⊢ ((𝑅 ∈ CRing ∧ 𝑋 ∈ 𝐵) → (algSc‘(1o mPoly (𝑅 ↾s 𝐵))) = (algSc‘(1o mPoly 𝑅))) |
23 | 18, 22 | eqtr4id 2797 | . . . . . 6 ⊢ ((𝑅 ∈ CRing ∧ 𝑋 ∈ 𝐵) → 𝐴 = (algSc‘(1o mPoly (𝑅 ↾s 𝐵)))) |
24 | 23 | fveq1d 6776 | . . . . 5 ⊢ ((𝑅 ∈ CRing ∧ 𝑋 ∈ 𝐵) → (𝐴‘𝑋) = ((algSc‘(1o mPoly (𝑅 ↾s 𝐵)))‘𝑋)) |
25 | 24 | fveq2d 6778 | . . . 4 ⊢ ((𝑅 ∈ CRing ∧ 𝑋 ∈ 𝐵) → ((1o eval 𝑅)‘(𝐴‘𝑋)) = ((1o eval 𝑅)‘((algSc‘(1o mPoly (𝑅 ↾s 𝐵)))‘𝑋))) |
26 | 12, 5 | evlval 21305 | . . . . 5 ⊢ (1o eval 𝑅) = ((1o evalSub 𝑅)‘𝐵) |
27 | eqid 2738 | . . . . 5 ⊢ (1o mPoly (𝑅 ↾s 𝐵)) = (1o mPoly (𝑅 ↾s 𝐵)) | |
28 | eqid 2738 | . . . . 5 ⊢ (𝑅 ↾s 𝐵) = (𝑅 ↾s 𝐵) | |
29 | eqid 2738 | . . . . 5 ⊢ (algSc‘(1o mPoly (𝑅 ↾s 𝐵))) = (algSc‘(1o mPoly (𝑅 ↾s 𝐵))) | |
30 | 1on 8309 | . . . . . 6 ⊢ 1o ∈ On | |
31 | 30 | a1i 11 | . . . . 5 ⊢ ((𝑅 ∈ CRing ∧ 𝑋 ∈ 𝐵) → 1o ∈ On) |
32 | simpl 483 | . . . . 5 ⊢ ((𝑅 ∈ CRing ∧ 𝑋 ∈ 𝐵) → 𝑅 ∈ CRing) | |
33 | 5 | subrgid 20026 | . . . . . 6 ⊢ (𝑅 ∈ Ring → 𝐵 ∈ (SubRing‘𝑅)) |
34 | 2, 33 | syl 17 | . . . . 5 ⊢ ((𝑅 ∈ CRing ∧ 𝑋 ∈ 𝐵) → 𝐵 ∈ (SubRing‘𝑅)) |
35 | simpr 485 | . . . . 5 ⊢ ((𝑅 ∈ CRing ∧ 𝑋 ∈ 𝐵) → 𝑋 ∈ 𝐵) | |
36 | 26, 27, 28, 5, 29, 31, 32, 34, 35 | evlssca 21299 | . . . 4 ⊢ ((𝑅 ∈ CRing ∧ 𝑋 ∈ 𝐵) → ((1o eval 𝑅)‘((algSc‘(1o mPoly (𝑅 ↾s 𝐵)))‘𝑋)) = ((𝐵 ↑m 1o) × {𝑋})) |
37 | 25, 36 | eqtrd 2778 | . . 3 ⊢ ((𝑅 ∈ CRing ∧ 𝑋 ∈ 𝐵) → ((1o eval 𝑅)‘(𝐴‘𝑋)) = ((𝐵 ↑m 1o) × {𝑋})) |
38 | 37 | coeq1d 5770 | . 2 ⊢ ((𝑅 ∈ CRing ∧ 𝑋 ∈ 𝐵) → (((1o eval 𝑅)‘(𝐴‘𝑋)) ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))) = (((𝐵 ↑m 1o) × {𝑋}) ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})))) |
39 | df1o2 8304 | . . . . . . 7 ⊢ 1o = {∅} | |
40 | 5 | fvexi 6788 | . . . . . . 7 ⊢ 𝐵 ∈ V |
41 | 0ex 5231 | . . . . . . 7 ⊢ ∅ ∈ V | |
42 | eqid 2738 | . . . . . . 7 ⊢ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})) = (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})) | |
43 | 39, 40, 41, 42 | mapsnf1o3 8683 | . . . . . 6 ⊢ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})):𝐵–1-1-onto→(𝐵 ↑m 1o) |
44 | f1of 6716 | . . . . . 6 ⊢ ((𝑦 ∈ 𝐵 ↦ (1o × {𝑦})):𝐵–1-1-onto→(𝐵 ↑m 1o) → (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})):𝐵⟶(𝐵 ↑m 1o)) | |
45 | 43, 44 | mp1i 13 | . . . . 5 ⊢ ((𝑅 ∈ CRing ∧ 𝑋 ∈ 𝐵) → (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})):𝐵⟶(𝐵 ↑m 1o)) |
46 | 42 | fmpt 6984 | . . . . 5 ⊢ (∀𝑦 ∈ 𝐵 (1o × {𝑦}) ∈ (𝐵 ↑m 1o) ↔ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})):𝐵⟶(𝐵 ↑m 1o)) |
47 | 45, 46 | sylibr 233 | . . . 4 ⊢ ((𝑅 ∈ CRing ∧ 𝑋 ∈ 𝐵) → ∀𝑦 ∈ 𝐵 (1o × {𝑦}) ∈ (𝐵 ↑m 1o)) |
48 | eqidd 2739 | . . . 4 ⊢ ((𝑅 ∈ CRing ∧ 𝑋 ∈ 𝐵) → (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})) = (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))) | |
49 | fconstmpt 5649 | . . . . 5 ⊢ ((𝐵 ↑m 1o) × {𝑋}) = (𝑥 ∈ (𝐵 ↑m 1o) ↦ 𝑋) | |
50 | 49 | a1i 11 | . . . 4 ⊢ ((𝑅 ∈ CRing ∧ 𝑋 ∈ 𝐵) → ((𝐵 ↑m 1o) × {𝑋}) = (𝑥 ∈ (𝐵 ↑m 1o) ↦ 𝑋)) |
51 | eqidd 2739 | . . . 4 ⊢ (𝑥 = (1o × {𝑦}) → 𝑋 = 𝑋) | |
52 | 47, 48, 50, 51 | fmptcof 7002 | . . 3 ⊢ ((𝑅 ∈ CRing ∧ 𝑋 ∈ 𝐵) → (((𝐵 ↑m 1o) × {𝑋}) ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))) = (𝑦 ∈ 𝐵 ↦ 𝑋)) |
53 | fconstmpt 5649 | . . 3 ⊢ (𝐵 × {𝑋}) = (𝑦 ∈ 𝐵 ↦ 𝑋) | |
54 | 52, 53 | eqtr4di 2796 | . 2 ⊢ ((𝑅 ∈ CRing ∧ 𝑋 ∈ 𝐵) → (((𝐵 ↑m 1o) × {𝑋}) ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦}))) = (𝐵 × {𝑋})) |
55 | 17, 38, 54 | 3eqtrd 2782 | 1 ⊢ ((𝑅 ∈ CRing ∧ 𝑋 ∈ 𝐵) → (𝑂‘(𝐴‘𝑋)) = (𝐵 × {𝑋})) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 = wceq 1539 ∈ wcel 2106 ∀wral 3064 ∅c0 4256 {csn 4561 ↦ cmpt 5157 × cxp 5587 ∘ ccom 5593 Oncon0 6266 ⟶wf 6429 –1-1-onto→wf1o 6432 ‘cfv 6433 (class class class)co 7275 1oc1o 8290 ↑m cmap 8615 Basecbs 16912 ↾s cress 16941 Ringcrg 19783 CRingccrg 19784 SubRingcsubrg 20020 algSccascl 21059 mPoly cmpl 21109 eval cevl 21281 PwSer1cps1 21346 Poly1cpl1 21348 eval1ce1 21480 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-rmo 3071 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-tp 4566 df-op 4568 df-uni 4840 df-int 4880 df-iun 4926 df-iin 4927 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-se 5545 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-isom 6442 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-of 7533 df-ofr 7534 df-om 7713 df-1st 7831 df-2nd 7832 df-supp 7978 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-1o 8297 df-er 8498 df-map 8617 df-pm 8618 df-ixp 8686 df-en 8734 df-dom 8735 df-sdom 8736 df-fin 8737 df-fsupp 9129 df-sup 9201 df-oi 9269 df-card 9697 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-nn 11974 df-2 12036 df-3 12037 df-4 12038 df-5 12039 df-6 12040 df-7 12041 df-8 12042 df-9 12043 df-n0 12234 df-z 12320 df-dec 12438 df-uz 12583 df-fz 13240 df-fzo 13383 df-seq 13722 df-hash 14045 df-struct 16848 df-sets 16865 df-slot 16883 df-ndx 16895 df-base 16913 df-ress 16942 df-plusg 16975 df-mulr 16976 df-sca 16978 df-vsca 16979 df-ip 16980 df-tset 16981 df-ple 16982 df-ds 16984 df-hom 16986 df-cco 16987 df-0g 17152 df-gsum 17153 df-prds 17158 df-pws 17160 df-mre 17295 df-mrc 17296 df-acs 17298 df-mgm 18326 df-sgrp 18375 df-mnd 18386 df-mhm 18430 df-submnd 18431 df-grp 18580 df-minusg 18581 df-sbg 18582 df-mulg 18701 df-subg 18752 df-ghm 18832 df-cntz 18923 df-cmn 19388 df-abl 19389 df-mgp 19721 df-ur 19738 df-srg 19742 df-ring 19785 df-cring 19786 df-rnghom 19959 df-subrg 20022 df-lmod 20125 df-lss 20194 df-lsp 20234 df-assa 21060 df-asp 21061 df-ascl 21062 df-psr 21112 df-mvr 21113 df-mpl 21114 df-opsr 21116 df-evls 21282 df-evl 21283 df-psr1 21351 df-ply1 21353 df-evl1 21482 |
This theorem is referenced by: evl1scad 21501 pf1const 21512 pf1ind 21521 evl1scvarpw 21529 ply1rem 25328 fta1g 25332 fta1blem 25333 plypf1 25373 |
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