Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > ismhp3 | Structured version Visualization version GIF version |
Description: A polynomial is homogeneous iff the degree of every nonzero term is the same. (Contributed by SN, 22-Jul-2024.) |
Ref | Expression |
---|---|
mhpfval.h | ⊢ 𝐻 = (𝐼 mHomP 𝑅) |
mhpfval.p | ⊢ 𝑃 = (𝐼 mPoly 𝑅) |
mhpfval.b | ⊢ 𝐵 = (Base‘𝑃) |
mhpfval.0 | ⊢ 0 = (0g‘𝑅) |
mhpfval.d | ⊢ 𝐷 = {ℎ ∈ (ℕ0 ↑m 𝐼) ∣ (◡ℎ “ ℕ) ∈ Fin} |
mhpfval.i | ⊢ (𝜑 → 𝐼 ∈ 𝑉) |
mhpfval.r | ⊢ (𝜑 → 𝑅 ∈ 𝑊) |
mhpval.n | ⊢ (𝜑 → 𝑁 ∈ ℕ0) |
ismhp2.1 | ⊢ (𝜑 → 𝑋 ∈ 𝐵) |
Ref | Expression |
---|---|
ismhp3 | ⊢ (𝜑 → (𝑋 ∈ (𝐻‘𝑁) ↔ ∀𝑑 ∈ 𝐷 ((𝑋‘𝑑) ≠ 0 → ((ℂfld ↾s ℕ0) Σg 𝑑) = 𝑁))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mhpfval.h | . . 3 ⊢ 𝐻 = (𝐼 mHomP 𝑅) | |
2 | mhpfval.p | . . 3 ⊢ 𝑃 = (𝐼 mPoly 𝑅) | |
3 | mhpfval.b | . . 3 ⊢ 𝐵 = (Base‘𝑃) | |
4 | mhpfval.0 | . . 3 ⊢ 0 = (0g‘𝑅) | |
5 | mhpfval.d | . . 3 ⊢ 𝐷 = {ℎ ∈ (ℕ0 ↑m 𝐼) ∣ (◡ℎ “ ℕ) ∈ Fin} | |
6 | mhpfval.i | . . 3 ⊢ (𝜑 → 𝐼 ∈ 𝑉) | |
7 | mhpfval.r | . . 3 ⊢ (𝜑 → 𝑅 ∈ 𝑊) | |
8 | mhpval.n | . . 3 ⊢ (𝜑 → 𝑁 ∈ ℕ0) | |
9 | 1, 2, 3, 4, 5, 6, 7, 8 | ismhp 20889 | . 2 ⊢ (𝜑 → (𝑋 ∈ (𝐻‘𝑁) ↔ (𝑋 ∈ 𝐵 ∧ (𝑋 supp 0 ) ⊆ {𝑔 ∈ 𝐷 ∣ ((ℂfld ↾s ℕ0) Σg 𝑔) = 𝑁}))) |
10 | ismhp2.1 | . . 3 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
11 | 10 | biantrurd 536 | . 2 ⊢ (𝜑 → ((𝑋 supp 0 ) ⊆ {𝑔 ∈ 𝐷 ∣ ((ℂfld ↾s ℕ0) Σg 𝑔) = 𝑁} ↔ (𝑋 ∈ 𝐵 ∧ (𝑋 supp 0 ) ⊆ {𝑔 ∈ 𝐷 ∣ ((ℂfld ↾s ℕ0) Σg 𝑔) = 𝑁}))) |
12 | eqid 2758 | . . . . . . . . 9 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
13 | 2, 12, 3, 5, 10 | mplelf 20768 | . . . . . . . 8 ⊢ (𝜑 → 𝑋:𝐷⟶(Base‘𝑅)) |
14 | 13 | ffnd 6503 | . . . . . . 7 ⊢ (𝜑 → 𝑋 Fn 𝐷) |
15 | 4 | fvexi 6676 | . . . . . . . 8 ⊢ 0 ∈ V |
16 | 15 | a1i 11 | . . . . . . 7 ⊢ (𝜑 → 0 ∈ V) |
17 | elsuppfng 7849 | . . . . . . 7 ⊢ ((𝑋 Fn 𝐷 ∧ 𝑋 ∈ 𝐵 ∧ 0 ∈ V) → (𝑑 ∈ (𝑋 supp 0 ) ↔ (𝑑 ∈ 𝐷 ∧ (𝑋‘𝑑) ≠ 0 ))) | |
18 | 14, 10, 16, 17 | syl3anc 1368 | . . . . . 6 ⊢ (𝜑 → (𝑑 ∈ (𝑋 supp 0 ) ↔ (𝑑 ∈ 𝐷 ∧ (𝑋‘𝑑) ≠ 0 ))) |
19 | oveq2 7163 | . . . . . . . . 9 ⊢ (𝑔 = 𝑑 → ((ℂfld ↾s ℕ0) Σg 𝑔) = ((ℂfld ↾s ℕ0) Σg 𝑑)) | |
20 | 19 | eqeq1d 2760 | . . . . . . . 8 ⊢ (𝑔 = 𝑑 → (((ℂfld ↾s ℕ0) Σg 𝑔) = 𝑁 ↔ ((ℂfld ↾s ℕ0) Σg 𝑑) = 𝑁)) |
21 | 20 | elrab 3604 | . . . . . . 7 ⊢ (𝑑 ∈ {𝑔 ∈ 𝐷 ∣ ((ℂfld ↾s ℕ0) Σg 𝑔) = 𝑁} ↔ (𝑑 ∈ 𝐷 ∧ ((ℂfld ↾s ℕ0) Σg 𝑑) = 𝑁)) |
22 | 21 | a1i 11 | . . . . . 6 ⊢ (𝜑 → (𝑑 ∈ {𝑔 ∈ 𝐷 ∣ ((ℂfld ↾s ℕ0) Σg 𝑔) = 𝑁} ↔ (𝑑 ∈ 𝐷 ∧ ((ℂfld ↾s ℕ0) Σg 𝑑) = 𝑁))) |
23 | 18, 22 | imbi12d 348 | . . . . 5 ⊢ (𝜑 → ((𝑑 ∈ (𝑋 supp 0 ) → 𝑑 ∈ {𝑔 ∈ 𝐷 ∣ ((ℂfld ↾s ℕ0) Σg 𝑔) = 𝑁}) ↔ ((𝑑 ∈ 𝐷 ∧ (𝑋‘𝑑) ≠ 0 ) → (𝑑 ∈ 𝐷 ∧ ((ℂfld ↾s ℕ0) Σg 𝑑) = 𝑁)))) |
24 | imdistan 571 | . . . . 5 ⊢ ((𝑑 ∈ 𝐷 → ((𝑋‘𝑑) ≠ 0 → ((ℂfld ↾s ℕ0) Σg 𝑑) = 𝑁)) ↔ ((𝑑 ∈ 𝐷 ∧ (𝑋‘𝑑) ≠ 0 ) → (𝑑 ∈ 𝐷 ∧ ((ℂfld ↾s ℕ0) Σg 𝑑) = 𝑁))) | |
25 | 23, 24 | bitr4di 292 | . . . 4 ⊢ (𝜑 → ((𝑑 ∈ (𝑋 supp 0 ) → 𝑑 ∈ {𝑔 ∈ 𝐷 ∣ ((ℂfld ↾s ℕ0) Σg 𝑔) = 𝑁}) ↔ (𝑑 ∈ 𝐷 → ((𝑋‘𝑑) ≠ 0 → ((ℂfld ↾s ℕ0) Σg 𝑑) = 𝑁)))) |
26 | 25 | albidv 1921 | . . 3 ⊢ (𝜑 → (∀𝑑(𝑑 ∈ (𝑋 supp 0 ) → 𝑑 ∈ {𝑔 ∈ 𝐷 ∣ ((ℂfld ↾s ℕ0) Σg 𝑔) = 𝑁}) ↔ ∀𝑑(𝑑 ∈ 𝐷 → ((𝑋‘𝑑) ≠ 0 → ((ℂfld ↾s ℕ0) Σg 𝑑) = 𝑁)))) |
27 | dfss2 3880 | . . 3 ⊢ ((𝑋 supp 0 ) ⊆ {𝑔 ∈ 𝐷 ∣ ((ℂfld ↾s ℕ0) Σg 𝑔) = 𝑁} ↔ ∀𝑑(𝑑 ∈ (𝑋 supp 0 ) → 𝑑 ∈ {𝑔 ∈ 𝐷 ∣ ((ℂfld ↾s ℕ0) Σg 𝑔) = 𝑁})) | |
28 | df-ral 3075 | . . 3 ⊢ (∀𝑑 ∈ 𝐷 ((𝑋‘𝑑) ≠ 0 → ((ℂfld ↾s ℕ0) Σg 𝑑) = 𝑁) ↔ ∀𝑑(𝑑 ∈ 𝐷 → ((𝑋‘𝑑) ≠ 0 → ((ℂfld ↾s ℕ0) Σg 𝑑) = 𝑁))) | |
29 | 26, 27, 28 | 3bitr4g 317 | . 2 ⊢ (𝜑 → ((𝑋 supp 0 ) ⊆ {𝑔 ∈ 𝐷 ∣ ((ℂfld ↾s ℕ0) Σg 𝑔) = 𝑁} ↔ ∀𝑑 ∈ 𝐷 ((𝑋‘𝑑) ≠ 0 → ((ℂfld ↾s ℕ0) Σg 𝑑) = 𝑁))) |
30 | 9, 11, 29 | 3bitr2d 310 | 1 ⊢ (𝜑 → (𝑋 ∈ (𝐻‘𝑁) ↔ ∀𝑑 ∈ 𝐷 ((𝑋‘𝑑) ≠ 0 → ((ℂfld ↾s ℕ0) Σg 𝑑) = 𝑁))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ wa 399 ∀wal 1536 = wceq 1538 ∈ wcel 2111 ≠ wne 2951 ∀wral 3070 {crab 3074 Vcvv 3409 ⊆ wss 3860 ◡ccnv 5526 “ cima 5530 Fn wfn 6334 ‘cfv 6339 (class class class)co 7155 supp csupp 7840 ↑m cmap 8421 Fincfn 8532 ℕcn 11679 ℕ0cn0 11939 Basecbs 16546 ↾s cress 16547 0gc0g 16776 Σg cgsu 16777 ℂfldccnfld 20171 mPoly cmpl 20673 mHomP cmhp 20877 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2729 ax-rep 5159 ax-sep 5172 ax-nul 5179 ax-pow 5237 ax-pr 5301 ax-un 7464 ax-cnex 10636 ax-resscn 10637 ax-1cn 10638 ax-icn 10639 ax-addcl 10640 ax-addrcl 10641 ax-mulcl 10642 ax-mulrcl 10643 ax-mulcom 10644 ax-addass 10645 ax-mulass 10646 ax-distr 10647 ax-i2m1 10648 ax-1ne0 10649 ax-1rid 10650 ax-rnegex 10651 ax-rrecex 10652 ax-cnre 10653 ax-pre-lttri 10654 ax-pre-lttrn 10655 ax-pre-ltadd 10656 ax-pre-mulgt0 10657 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-fal 1551 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2557 df-eu 2588 df-clab 2736 df-cleq 2750 df-clel 2830 df-nfc 2901 df-ne 2952 df-nel 3056 df-ral 3075 df-rex 3076 df-reu 3077 df-rab 3079 df-v 3411 df-sbc 3699 df-csb 3808 df-dif 3863 df-un 3865 df-in 3867 df-ss 3877 df-pss 3879 df-nul 4228 df-if 4424 df-pw 4499 df-sn 4526 df-pr 4528 df-tp 4530 df-op 4532 df-uni 4802 df-iun 4888 df-br 5036 df-opab 5098 df-mpt 5116 df-tr 5142 df-id 5433 df-eprel 5438 df-po 5446 df-so 5447 df-fr 5486 df-we 5488 df-xp 5533 df-rel 5534 df-cnv 5535 df-co 5536 df-dm 5537 df-rn 5538 df-res 5539 df-ima 5540 df-pred 6130 df-ord 6176 df-on 6177 df-lim 6178 df-suc 6179 df-iota 6298 df-fun 6341 df-fn 6342 df-f 6343 df-f1 6344 df-fo 6345 df-f1o 6346 df-fv 6347 df-riota 7113 df-ov 7158 df-oprab 7159 df-mpo 7160 df-of 7410 df-om 7585 df-1st 7698 df-2nd 7699 df-supp 7841 df-wrecs 7962 df-recs 8023 df-rdg 8061 df-1o 8117 df-er 8304 df-map 8423 df-en 8533 df-dom 8534 df-sdom 8535 df-fin 8536 df-fsupp 8872 df-pnf 10720 df-mnf 10721 df-xr 10722 df-ltxr 10723 df-le 10724 df-sub 10915 df-neg 10916 df-nn 11680 df-2 11742 df-3 11743 df-4 11744 df-5 11745 df-6 11746 df-7 11747 df-8 11748 df-9 11749 df-n0 11940 df-z 12026 df-uz 12288 df-fz 12945 df-struct 16548 df-ndx 16549 df-slot 16550 df-base 16552 df-sets 16553 df-ress 16554 df-plusg 16641 df-mulr 16642 df-sca 16644 df-vsca 16645 df-tset 16647 df-psr 20676 df-mpl 20678 df-mhp 20881 |
This theorem is referenced by: mhpsclcl 20895 mhpvarcl 20896 mhpmulcl 20897 |
Copyright terms: Public domain | W3C validator |