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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 21754 | . . 3 ⊢ 0 = (0g‘ℂfld) | |
| 3 | cnring 21752 | . . . 4 ⊢ ℂfld ∈ Ring | |
| 4 | ringcmn 20562 | . . . 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 22281 | . . . . 5 ⊢ (ℎ ∈ 𝐴 → ℎ:𝐼⟶ℕ0) |
| 9 | 8 | ffnd 6740 | . . . 4 ⊢ (ℎ ∈ 𝐴 → ℎ Fn 𝐼) |
| 10 | 6, 9 | fndmexd 7950 | . . 3 ⊢ (ℎ ∈ 𝐴 → 𝐼 ∈ V) |
| 11 | nn0subm 21782 | . . . 4 ⊢ ℕ0 ∈ (SubMnd‘ℂfld) | |
| 12 | 11 | a1i 11 | . . 3 ⊢ (ℎ ∈ 𝐴 → ℕ0 ∈ (SubMnd‘ℂfld)) |
| 13 | 7 | psrbagfsupp 22282 | . . 3 ⊢ (ℎ ∈ 𝐴 → ℎ finSupp 0) |
| 14 | 2, 5, 10, 12, 8, 13 | gsumsubmcl 20184 | . 2 ⊢ (ℎ ∈ 𝐴 → (ℂfld Σg ℎ) ∈ ℕ0) |
| 15 | 1, 14 | fmpti 7144 | 1 ⊢ 𝐻:𝐴⟶ℕ0 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∈ wcel 2147 {crab 3416 Vcvv 3454 ↦ cmpt 5192 ◡ccnv 5657 “ cima 5661 ⟶wf 6562 ‘cfv 6566 (class class class)co 7451 ↑m cmap 8885 Fincfn 9011 0cc0 11239 ℕcn 12375 ℕ0cn0 12646 Σg cgsu 17661 SubMndcsubmnd 19027 CMndccmn 20045 Ringcrg 20510 ℂfldccnfld 21729 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5238 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 ax-cnex 11295 ax-resscn 11296 ax-1cn 11297 ax-icn 11298 ax-addcl 11299 ax-addrcl 11300 ax-mulcl 11301 ax-mulrcl 11302 ax-mulcom 11303 ax-addass 11304 ax-mulass 11305 ax-distr 11306 ax-i2m1 11307 ax-1ne0 11308 ax-1rid 11309 ax-rnegex 11310 ax-rrecex 11311 ax-cnre 11312 ax-pre-lttri 11313 ax-pre-lttrn 11314 ax-pre-ltadd 11315 ax-pre-mulgt0 11316 ax-addf 11318 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4841 df-uni 4873 df-int 4913 df-iun 4958 df-br 5109 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5553 df-eprel 5558 df-po 5566 df-so 5567 df-fr 5611 df-se 5612 df-we 5613 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-pred 6330 df-ord 6391 df-on 6392 df-lim 6393 df-suc 6394 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-isom 6575 df-riota 7408 df-ov 7454 df-oprab 7455 df-mpo 7456 df-om 7912 df-1st 8035 df-2nd 8036 df-supp 8215 df-frecs 8337 df-wrecs 8368 df-recs 8417 df-rdg 8456 df-1o 8514 df-er 8755 df-map 8887 df-en 9012 df-dom 9013 df-sdom 9014 df-fin 9015 df-fsupp 9392 df-oi 9541 df-card 10057 df-pnf 11384 df-mnf 11385 df-xr 11386 df-ltxr 11387 df-le 11388 df-sub 11582 df-neg 11583 df-nn 12376 df-2 12445 df-3 12446 df-4 12447 df-5 12448 df-6 12449 df-7 12450 df-8 12451 df-9 12452 df-n0 12647 df-z 12734 df-dec 12855 df-uz 13006 df-fz 13680 df-fzo 13829 df-seq 14185 df-hash 14516 df-struct 17369 df-sets 17386 df-slot 17404 df-ndx 17416 df-base 17432 df-ress 17453 df-plusg 17486 df-mulr 17487 df-starv 17488 df-tset 17492 df-ple 17493 df-ds 17495 df-unif 17496 df-euf 17499 df-0g 17662 df-gsum 17663 df-mgm 18866 df-sgrp 18958 df-mnd 18974 df-submnd 19029 df-grp 19197 df-minusg 19198 df-cntz 19582 df-cmn 20047 df-abl 20048 df-mgp 20412 df-ur 20459 df-ring 20512 df-cring 20513 df-cnfld 21730 |
| This theorem is used by: mdegleb 26437 mdeglt 26438 mdegldg 26439 mdegxrcl 26440 mdegcl 26442 mdegnn0cl 26444 mdegaddle 26447 mdegle0 26450 mdegmullem 26451 |
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