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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 21546 | . . 3 ⊢ 0 = (0g‘ℂfld) | |
| 3 | cnring 21544 | . . . 4 ⊢ ℂfld ∈ Ring | |
| 4 | ringcmn 20361 | . . . 4 ⊢ (ℂfld ∈ Ring → ℂfld ∈ CMnd) | |
| 5 | 3, 4 | mp1i 14 | . . 3 ⊢ (ℎ ∈ 𝐴 → ℂfld ∈ CMnd) |
| 6 | id 23 | . . . 4 ⊢ (ℎ ∈ 𝐴 → ℎ ∈ 𝐴) | |
| 7 | tdeglem.a | . . . . . 6 ⊢ 𝐴 = {𝑚 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑚 “ ℕ) ∈ Fin} | |
| 8 | 7 | psrbagf 22068 | . . . . 5 ⊢ (ℎ ∈ 𝐴 → ℎ:𝐼⟶ℕ0) |
| 9 | 8 | ffnd 6706 | . . . 4 ⊢ (ℎ ∈ 𝐴 → ℎ Fn 𝐼) |
| 10 | 6, 9 | fndmexd 7897 | . . 3 ⊢ (ℎ ∈ 𝐴 → 𝐼 ∈ V) |
| 11 | nn0subm 21572 | . . . 4 ⊢ ℕ0 ∈ (SubMnd‘ℂfld) | |
| 12 | 11 | a1i 11 | . . 3 ⊢ (ℎ ∈ 𝐴 → ℕ0 ∈ (SubMnd‘ℂfld)) |
| 13 | 7 | psrbagfsupp 22069 | . . 3 ⊢ (ℎ ∈ 𝐴 → ℎ finSupp 0) |
| 14 | 2, 5, 10, 12, 8, 13 | gsumsubmcl 19984 | . 2 ⊢ (ℎ ∈ 𝐴 → (ℂfld Σg ℎ) ∈ ℕ0) |
| 15 | 1, 14 | fmpti 7107 | 1 ⊢ 𝐻:𝐴⟶ℕ0 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1570 ∈ wcel 2143 {crab 3416 Vcvv 3455 ↦ cmpt 5192 ◡ccnv 5660 “ cima 5664 ⟶wf 6532 ‘cfv 6536 (class class class)co 7410 ↑m cmap 8820 Fincfn 8939 0cc0 11095 ℕcn 12228 ℕ0cn0 12499 Σg cgsu 17488 SubMndcsubmnd 18835 CMndccmn 19845 Ringcrg 20310 ℂfldccnfld 21522 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-rep 5238 ax-sep 5257 ax-nul 5269 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-cnex 11151 ax-resscn 11152 ax-1cn 11153 ax-icn 11154 ax-addcl 11155 ax-addrcl 11156 ax-mulcl 11157 ax-mulrcl 11158 ax-mulcom 11159 ax-addass 11160 ax-mulass 11161 ax-distr 11162 ax-i2m1 11163 ax-1ne0 11164 ax-1rid 11165 ax-rnegex 11166 ax-rrecex 11167 ax-cnre 11168 ax-pre-lttri 11169 ax-pre-lttrn 11170 ax-pre-ltadd 11171 ax-pre-mulgt0 11172 ax-addf 11174 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-tp 4594 df-op 4596 df-uni 4873 df-int 4913 df-iun 4958 df-br 5110 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5556 df-eprel 5561 df-po 5569 df-so 5570 df-fr 5614 df-se 5615 df-we 5616 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-isom 6545 df-riota 7367 df-ov 7413 df-oprab 7414 df-mpo 7415 df-om 7859 df-1st 7982 df-2nd 7983 df-supp 8153 df-frecs 8274 df-wrecs 8305 df-recs 8354 df-rdg 8393 df-1o 8449 df-er 8690 df-map 8822 df-en 8940 df-dom 8941 df-sdom 8942 df-fin 8943 df-fsupp 9318 df-oi 9468 df-card 9921 df-pnf 11240 df-mnf 11241 df-xr 11242 df-ltxr 11243 df-le 11244 df-sub 11438 df-neg 11439 df-nn 12229 df-2 12298 df-3 12299 df-4 12300 df-5 12301 df-6 12302 df-7 12303 df-8 12304 df-9 12305 df-n0 12500 df-z 12587 df-dec 12707 df-uz 12858 df-fz 13531 df-fzo 13679 df-seq 14034 df-hash 14363 df-struct 17202 df-sets 17219 df-slot 17237 df-ndx 17249 df-base 17265 df-ress 17286 df-plusg 17318 df-mulr 17319 df-starv 17320 df-tset 17324 df-ple 17325 df-ds 17327 df-unif 17328 df-0g 17489 df-gsum 17490 df-mgm 18693 df-sgrp 18772 df-mnd 18788 df-submnd 18837 df-grp 18998 df-minusg 18999 df-cntz 19382 df-cmn 19847 df-abl 19848 df-mgp 20212 df-ur 20259 df-ring 20312 df-cring 20313 df-cnfld 21523 |
| This theorem is referenced by: mdegleb 26221 mdeglt 26222 mdegldg 26223 mdegxrcl 26224 mdegcl 26226 mdegnn0cl 26228 mdegaddle 26231 mdegle0 26234 mdegmullem 26235 |
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