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Mirrors > Home > MPE Home > Th. List > deg1val | Structured version Visualization version GIF version |
Description: Value of the univariate degree as a supremum. (Contributed by Stefan O'Rear, 29-Mar-2015.) (Revised by AV, 25-Jul-2019.) |
Ref | Expression |
---|---|
deg1leb.d | ⊢ 𝐷 = ( deg1 ‘𝑅) |
deg1leb.p | ⊢ 𝑃 = (Poly1‘𝑅) |
deg1leb.b | ⊢ 𝐵 = (Base‘𝑃) |
deg1leb.y | ⊢ 0 = (0g‘𝑅) |
deg1leb.a | ⊢ 𝐴 = (coe1‘𝐹) |
Ref | Expression |
---|---|
deg1val | ⊢ (𝐹 ∈ 𝐵 → (𝐷‘𝐹) = sup((𝐴 supp 0 ), ℝ*, < )) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | deg1leb.d | . . . 4 ⊢ 𝐷 = ( deg1 ‘𝑅) | |
2 | 1 | deg1fval 23840 | . . 3 ⊢ 𝐷 = (1𝑜 mDeg 𝑅) |
3 | eqid 2622 | . . 3 ⊢ (1𝑜 mPoly 𝑅) = (1𝑜 mPoly 𝑅) | |
4 | deg1leb.p | . . . 4 ⊢ 𝑃 = (Poly1‘𝑅) | |
5 | eqid 2622 | . . . 4 ⊢ (PwSer1‘𝑅) = (PwSer1‘𝑅) | |
6 | deg1leb.b | . . . 4 ⊢ 𝐵 = (Base‘𝑃) | |
7 | 4, 5, 6 | ply1bas 19565 | . . 3 ⊢ 𝐵 = (Base‘(1𝑜 mPoly 𝑅)) |
8 | deg1leb.y | . . 3 ⊢ 0 = (0g‘𝑅) | |
9 | psr1baslem 19555 | . . 3 ⊢ (ℕ0 ↑𝑚 1𝑜) = {𝑦 ∈ (ℕ0 ↑𝑚 1𝑜) ∣ (◡𝑦 “ ℕ) ∈ Fin} | |
10 | tdeglem2 23821 | . . 3 ⊢ (𝑥 ∈ (ℕ0 ↑𝑚 1𝑜) ↦ (𝑥‘∅)) = (𝑥 ∈ (ℕ0 ↑𝑚 1𝑜) ↦ (ℂfld Σg 𝑥)) | |
11 | 2, 3, 7, 8, 9, 10 | mdegval 23823 | . 2 ⊢ (𝐹 ∈ 𝐵 → (𝐷‘𝐹) = sup(((𝑥 ∈ (ℕ0 ↑𝑚 1𝑜) ↦ (𝑥‘∅)) “ (𝐹 supp 0 )), ℝ*, < )) |
12 | fvex 6201 | . . . . . . . . 9 ⊢ (0g‘𝑅) ∈ V | |
13 | 8, 12 | eqeltri 2697 | . . . . . . . 8 ⊢ 0 ∈ V |
14 | suppimacnv 7306 | . . . . . . . 8 ⊢ ((𝐹 ∈ 𝐵 ∧ 0 ∈ V) → (𝐹 supp 0 ) = (◡𝐹 “ (V ∖ { 0 }))) | |
15 | 13, 14 | mpan2 707 | . . . . . . 7 ⊢ (𝐹 ∈ 𝐵 → (𝐹 supp 0 ) = (◡𝐹 “ (V ∖ { 0 }))) |
16 | 15 | imaeq2d 5466 | . . . . . 6 ⊢ (𝐹 ∈ 𝐵 → ((𝑥 ∈ (ℕ0 ↑𝑚 1𝑜) ↦ (𝑥‘∅)) “ (𝐹 supp 0 )) = ((𝑥 ∈ (ℕ0 ↑𝑚 1𝑜) ↦ (𝑥‘∅)) “ (◡𝐹 “ (V ∖ { 0 })))) |
17 | imaco 5640 | . . . . . 6 ⊢ (((𝑥 ∈ (ℕ0 ↑𝑚 1𝑜) ↦ (𝑥‘∅)) ∘ ◡𝐹) “ (V ∖ { 0 })) = ((𝑥 ∈ (ℕ0 ↑𝑚 1𝑜) ↦ (𝑥‘∅)) “ (◡𝐹 “ (V ∖ { 0 }))) | |
18 | 16, 17 | syl6eqr 2674 | . . . . 5 ⊢ (𝐹 ∈ 𝐵 → ((𝑥 ∈ (ℕ0 ↑𝑚 1𝑜) ↦ (𝑥‘∅)) “ (𝐹 supp 0 )) = (((𝑥 ∈ (ℕ0 ↑𝑚 1𝑜) ↦ (𝑥‘∅)) ∘ ◡𝐹) “ (V ∖ { 0 }))) |
19 | deg1leb.a | . . . . . . . . 9 ⊢ 𝐴 = (coe1‘𝐹) | |
20 | df1o2 7572 | . . . . . . . . . 10 ⊢ 1𝑜 = {∅} | |
21 | nn0ex 11298 | . . . . . . . . . 10 ⊢ ℕ0 ∈ V | |
22 | 0ex 4790 | . . . . . . . . . 10 ⊢ ∅ ∈ V | |
23 | eqid 2622 | . . . . . . . . . 10 ⊢ (𝑥 ∈ (ℕ0 ↑𝑚 1𝑜) ↦ (𝑥‘∅)) = (𝑥 ∈ (ℕ0 ↑𝑚 1𝑜) ↦ (𝑥‘∅)) | |
24 | 20, 21, 22, 23 | mapsncnv 7904 | . . . . . . . . 9 ⊢ ◡(𝑥 ∈ (ℕ0 ↑𝑚 1𝑜) ↦ (𝑥‘∅)) = (𝑦 ∈ ℕ0 ↦ (1𝑜 × {𝑦})) |
25 | 19, 6, 4, 24 | coe1fval2 19580 | . . . . . . . 8 ⊢ (𝐹 ∈ 𝐵 → 𝐴 = (𝐹 ∘ ◡(𝑥 ∈ (ℕ0 ↑𝑚 1𝑜) ↦ (𝑥‘∅)))) |
26 | 25 | cnveqd 5298 | . . . . . . 7 ⊢ (𝐹 ∈ 𝐵 → ◡𝐴 = ◡(𝐹 ∘ ◡(𝑥 ∈ (ℕ0 ↑𝑚 1𝑜) ↦ (𝑥‘∅)))) |
27 | cnvco 5308 | . . . . . . . 8 ⊢ ◡(𝐹 ∘ ◡(𝑥 ∈ (ℕ0 ↑𝑚 1𝑜) ↦ (𝑥‘∅))) = (◡◡(𝑥 ∈ (ℕ0 ↑𝑚 1𝑜) ↦ (𝑥‘∅)) ∘ ◡𝐹) | |
28 | cocnvcnv1 5646 | . . . . . . . 8 ⊢ (◡◡(𝑥 ∈ (ℕ0 ↑𝑚 1𝑜) ↦ (𝑥‘∅)) ∘ ◡𝐹) = ((𝑥 ∈ (ℕ0 ↑𝑚 1𝑜) ↦ (𝑥‘∅)) ∘ ◡𝐹) | |
29 | 27, 28 | eqtri 2644 | . . . . . . 7 ⊢ ◡(𝐹 ∘ ◡(𝑥 ∈ (ℕ0 ↑𝑚 1𝑜) ↦ (𝑥‘∅))) = ((𝑥 ∈ (ℕ0 ↑𝑚 1𝑜) ↦ (𝑥‘∅)) ∘ ◡𝐹) |
30 | 26, 29 | syl6req 2673 | . . . . . 6 ⊢ (𝐹 ∈ 𝐵 → ((𝑥 ∈ (ℕ0 ↑𝑚 1𝑜) ↦ (𝑥‘∅)) ∘ ◡𝐹) = ◡𝐴) |
31 | 30 | imaeq1d 5465 | . . . . 5 ⊢ (𝐹 ∈ 𝐵 → (((𝑥 ∈ (ℕ0 ↑𝑚 1𝑜) ↦ (𝑥‘∅)) ∘ ◡𝐹) “ (V ∖ { 0 })) = (◡𝐴 “ (V ∖ { 0 }))) |
32 | 18, 31 | eqtrd 2656 | . . . 4 ⊢ (𝐹 ∈ 𝐵 → ((𝑥 ∈ (ℕ0 ↑𝑚 1𝑜) ↦ (𝑥‘∅)) “ (𝐹 supp 0 )) = (◡𝐴 “ (V ∖ { 0 }))) |
33 | fvex 6201 | . . . . . 6 ⊢ (coe1‘𝐹) ∈ V | |
34 | 19, 33 | eqeltri 2697 | . . . . 5 ⊢ 𝐴 ∈ V |
35 | suppimacnv 7306 | . . . . . 6 ⊢ ((𝐴 ∈ V ∧ 0 ∈ V) → (𝐴 supp 0 ) = (◡𝐴 “ (V ∖ { 0 }))) | |
36 | 35 | eqcomd 2628 | . . . . 5 ⊢ ((𝐴 ∈ V ∧ 0 ∈ V) → (◡𝐴 “ (V ∖ { 0 })) = (𝐴 supp 0 )) |
37 | 34, 13, 36 | mp2an 708 | . . . 4 ⊢ (◡𝐴 “ (V ∖ { 0 })) = (𝐴 supp 0 ) |
38 | 32, 37 | syl6eq 2672 | . . 3 ⊢ (𝐹 ∈ 𝐵 → ((𝑥 ∈ (ℕ0 ↑𝑚 1𝑜) ↦ (𝑥‘∅)) “ (𝐹 supp 0 )) = (𝐴 supp 0 )) |
39 | 38 | supeq1d 8352 | . 2 ⊢ (𝐹 ∈ 𝐵 → sup(((𝑥 ∈ (ℕ0 ↑𝑚 1𝑜) ↦ (𝑥‘∅)) “ (𝐹 supp 0 )), ℝ*, < ) = sup((𝐴 supp 0 ), ℝ*, < )) |
40 | 11, 39 | eqtrd 2656 | 1 ⊢ (𝐹 ∈ 𝐵 → (𝐷‘𝐹) = sup((𝐴 supp 0 ), ℝ*, < )) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 384 = wceq 1483 ∈ wcel 1990 Vcvv 3200 ∖ cdif 3571 ∅c0 3915 {csn 4177 ↦ cmpt 4729 ◡ccnv 5113 “ cima 5117 ∘ ccom 5118 ‘cfv 5888 (class class class)co 6650 supp csupp 7295 1𝑜c1o 7553 ↑𝑚 cmap 7857 supcsup 8346 ℝ*cxr 10073 < clt 10074 ℕ0cn0 11292 Basecbs 15857 0gc0g 16100 mPoly cmpl 19353 PwSer1cps1 19545 Poly1cpl1 19547 coe1cco1 19548 deg1 cdg1 23814 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-rep 4771 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 ax-inf2 8538 ax-cnex 9992 ax-resscn 9993 ax-1cn 9994 ax-icn 9995 ax-addcl 9996 ax-addrcl 9997 ax-mulcl 9998 ax-mulrcl 9999 ax-mulcom 10000 ax-addass 10001 ax-mulass 10002 ax-distr 10003 ax-i2m1 10004 ax-1ne0 10005 ax-1rid 10006 ax-rnegex 10007 ax-rrecex 10008 ax-cnre 10009 ax-pre-lttri 10010 ax-pre-lttrn 10011 ax-pre-ltadd 10012 ax-pre-mulgt0 10013 ax-addf 10015 ax-mulf 10016 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-nel 2898 df-ral 2917 df-rex 2918 df-reu 2919 df-rmo 2920 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-int 4476 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-tr 4753 df-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-se 5074 df-we 5075 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-pred 5680 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-isom 5897 df-riota 6611 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-of 6897 df-om 7066 df-1st 7168 df-2nd 7169 df-supp 7296 df-wrecs 7407 df-recs 7468 df-rdg 7506 df-1o 7560 df-oadd 7564 df-er 7742 df-map 7859 df-en 7956 df-dom 7957 df-sdom 7958 df-fin 7959 df-fsupp 8276 df-sup 8348 df-oi 8415 df-card 8765 df-pnf 10076 df-mnf 10077 df-xr 10078 df-ltxr 10079 df-le 10080 df-sub 10268 df-neg 10269 df-nn 11021 df-2 11079 df-3 11080 df-4 11081 df-5 11082 df-6 11083 df-7 11084 df-8 11085 df-9 11086 df-n0 11293 df-z 11378 df-dec 11494 df-uz 11688 df-fz 12327 df-fzo 12466 df-seq 12802 df-hash 13118 df-struct 15859 df-ndx 15860 df-slot 15861 df-base 15863 df-sets 15864 df-ress 15865 df-plusg 15954 df-mulr 15955 df-starv 15956 df-sca 15957 df-vsca 15958 df-tset 15960 df-ple 15961 df-ds 15964 df-unif 15965 df-0g 16102 df-gsum 16103 df-mgm 17242 df-sgrp 17284 df-mnd 17295 df-grp 17425 df-mulg 17541 df-cntz 17750 df-cmn 18195 df-mgp 18490 df-ring 18549 df-cring 18550 df-psr 19356 df-mpl 19358 df-opsr 19360 df-psr1 19550 df-ply1 19552 df-coe1 19553 df-cnfld 19747 df-mdeg 23815 df-deg1 23816 |
This theorem is referenced by: deg1mul3 23875 deg1mul3le 23876 |
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