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| Mirrors > Home > MPE Home > Th. List > tdeglem1 | Structured version Visualization version GIF version | ||
| Description: Functionality of the total degree helper function. (Contributed by Stefan O'Rear, 19-Mar-2015.) (Proof shortened by AV, 27-Jul-2019.) Remove sethood antecedent. (Revised by SN, 7-Aug-2024.) |
| Ref | Expression |
|---|---|
| tdeglem.a | ⊢ 𝐴 = {𝑚 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑚 “ ℕ) ∈ Fin} |
| tdeglem.h | ⊢ 𝐻 = (ℎ ∈ 𝐴 ↦ (ℂfld Σg ℎ)) |
| Ref | Expression |
|---|---|
| tdeglem1 | ⊢ 𝐻:𝐴⟶ℕ0 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | tdeglem.h | . 2 ⊢ 𝐻 = (ℎ ∈ 𝐴 ↦ (ℂfld Σg ℎ)) | |
| 2 | cnfld0 21385 | . . 3 ⊢ 0 = (0g‘ℂfld) | |
| 3 | cnring 21383 | . . . 4 ⊢ ℂfld ∈ Ring | |
| 4 | ringcmn 20257 | . . . 4 ⊢ (ℂfld ∈ Ring → ℂfld ∈ CMnd) | |
| 5 | 3, 4 | mp1i 13 | . . 3 ⊢ (ℎ ∈ 𝐴 → ℂfld ∈ CMnd) |
| 6 | id 22 | . . . 4 ⊢ (ℎ ∈ 𝐴 → ℎ ∈ 𝐴) | |
| 7 | tdeglem.a | . . . . . 6 ⊢ 𝐴 = {𝑚 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑚 “ ℕ) ∈ Fin} | |
| 8 | 7 | psrbagf 21911 | . . . . 5 ⊢ (ℎ ∈ 𝐴 → ℎ:𝐼⟶ℕ0) |
| 9 | 8 | ffnd 6664 | . . . 4 ⊢ (ℎ ∈ 𝐴 → ℎ Fn 𝐼) |
| 10 | 6, 9 | fndmexd 7849 | . . 3 ⊢ (ℎ ∈ 𝐴 → 𝐼 ∈ V) |
| 11 | nn0subm 21415 | . . . 4 ⊢ ℕ0 ∈ (SubMnd‘ℂfld) | |
| 12 | 11 | a1i 11 | . . 3 ⊢ (ℎ ∈ 𝐴 → ℕ0 ∈ (SubMnd‘ℂfld)) |
| 13 | 7 | psrbagfsupp 21912 | . . 3 ⊢ (ℎ ∈ 𝐴 → ℎ finSupp 0) |
| 14 | 2, 5, 10, 12, 8, 13 | gsumsubmcl 19888 | . 2 ⊢ (ℎ ∈ 𝐴 → (ℂfld Σg ℎ) ∈ ℕ0) |
| 15 | 1, 14 | fmpti 7059 | 1 ⊢ 𝐻:𝐴⟶ℕ0 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 ∈ wcel 2114 {crab 3390 Vcvv 3430 ↦ cmpt 5167 ◡ccnv 5624 “ cima 5628 ⟶wf 6489 ‘cfv 6493 (class class class)co 7361 ↑m cmap 8767 Fincfn 8887 0cc0 11032 ℕcn 12168 ℕ0cn0 12431 Σg cgsu 17397 SubMndcsubmnd 18744 CMndccmn 19749 Ringcrg 20208 ℂfldccnfld 21347 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5213 ax-sep 5232 ax-nul 5242 ax-pow 5303 ax-pr 5371 ax-un 7683 ax-cnex 11088 ax-resscn 11089 ax-1cn 11090 ax-icn 11091 ax-addcl 11092 ax-addrcl 11093 ax-mulcl 11094 ax-mulrcl 11095 ax-mulcom 11096 ax-addass 11097 ax-mulass 11098 ax-distr 11099 ax-i2m1 11100 ax-1ne0 11101 ax-1rid 11102 ax-rnegex 11103 ax-rrecex 11104 ax-cnre 11105 ax-pre-lttri 11106 ax-pre-lttrn 11107 ax-pre-ltadd 11108 ax-pre-mulgt0 11109 ax-addf 11111 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-tp 4573 df-op 4575 df-uni 4852 df-int 4891 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-se 5579 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6260 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-isom 6502 df-riota 7318 df-ov 7364 df-oprab 7365 df-mpo 7366 df-om 7812 df-1st 7936 df-2nd 7937 df-supp 8105 df-frecs 8225 df-wrecs 8256 df-recs 8305 df-rdg 8343 df-1o 8399 df-er 8637 df-map 8769 df-en 8888 df-dom 8889 df-sdom 8890 df-fin 8891 df-fsupp 9269 df-oi 9419 df-card 9857 df-pnf 11175 df-mnf 11176 df-xr 11177 df-ltxr 11178 df-le 11179 df-sub 11373 df-neg 11374 df-nn 12169 df-2 12238 df-3 12239 df-4 12240 df-5 12241 df-6 12242 df-7 12243 df-8 12244 df-9 12245 df-n0 12432 df-z 12519 df-dec 12639 df-uz 12783 df-fz 13456 df-fzo 13603 df-seq 13958 df-hash 14287 df-struct 17111 df-sets 17128 df-slot 17146 df-ndx 17158 df-base 17174 df-ress 17195 df-plusg 17227 df-mulr 17228 df-starv 17229 df-tset 17233 df-ple 17234 df-ds 17236 df-unif 17237 df-0g 17398 df-gsum 17399 df-mgm 18602 df-sgrp 18681 df-mnd 18697 df-submnd 18746 df-grp 18906 df-minusg 18907 df-cntz 19286 df-cmn 19751 df-abl 19752 df-mgp 20116 df-ur 20157 df-ring 20210 df-cring 20211 df-cnfld 21348 |
| This theorem is referenced by: mdegleb 26042 mdeglt 26043 mdegldg 26044 mdegxrcl 26045 mdegcl 26047 mdegnn0cl 26049 mdegaddle 26052 mdegle0 26055 mdegmullem 26056 |
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