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Mirrors > Home > MPE Home > Th. List > Mathboxes > mplmapghm | Structured version Visualization version GIF version |
Description: The function 𝐻 mapping polynomials 𝑝 to their coefficient given a bag of variables 𝐹 is a group homomorphism. (Contributed by SN, 15-Mar-2025.) |
Ref | Expression |
---|---|
mplmapghm.p | ⊢ 𝑃 = (𝐼 mPoly 𝑅) |
mplmapghm.b | ⊢ 𝐵 = (Base‘𝑃) |
mplmapghm.d | ⊢ 𝐷 = {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} |
mplmapghm.h | ⊢ 𝐻 = (𝑝 ∈ 𝐵 ↦ (𝑝‘𝐹)) |
mplmapghm.i | ⊢ (𝜑 → 𝐼 ∈ 𝑉) |
mplmapghm.r | ⊢ (𝜑 → 𝑅 ∈ Grp) |
mplmapghm.f | ⊢ (𝜑 → 𝐹 ∈ 𝐷) |
Ref | Expression |
---|---|
mplmapghm | ⊢ (𝜑 → 𝐻 ∈ (𝑃 GrpHom 𝑅)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mplmapghm.b | . 2 ⊢ 𝐵 = (Base‘𝑃) | |
2 | eqid 2735 | . 2 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
3 | eqid 2735 | . 2 ⊢ (+g‘𝑃) = (+g‘𝑃) | |
4 | eqid 2735 | . 2 ⊢ (+g‘𝑅) = (+g‘𝑅) | |
5 | mplmapghm.i | . . 3 ⊢ (𝜑 → 𝐼 ∈ 𝑉) | |
6 | mplmapghm.r | . . 3 ⊢ (𝜑 → 𝑅 ∈ Grp) | |
7 | mplmapghm.p | . . . 4 ⊢ 𝑃 = (𝐼 mPoly 𝑅) | |
8 | 7 | mplgrp 22055 | . . 3 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑅 ∈ Grp) → 𝑃 ∈ Grp) |
9 | 5, 6, 8 | syl2anc 584 | . 2 ⊢ (𝜑 → 𝑃 ∈ Grp) |
10 | mplmapghm.d | . . . . 5 ⊢ 𝐷 = {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} | |
11 | simpr 484 | . . . . 5 ⊢ ((𝜑 ∧ 𝑝 ∈ 𝐵) → 𝑝 ∈ 𝐵) | |
12 | 7, 2, 1, 10, 11 | mplelf 22036 | . . . 4 ⊢ ((𝜑 ∧ 𝑝 ∈ 𝐵) → 𝑝:𝐷⟶(Base‘𝑅)) |
13 | mplmapghm.f | . . . . 5 ⊢ (𝜑 → 𝐹 ∈ 𝐷) | |
14 | 13 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝑝 ∈ 𝐵) → 𝐹 ∈ 𝐷) |
15 | 12, 14 | ffvelcdmd 7105 | . . 3 ⊢ ((𝜑 ∧ 𝑝 ∈ 𝐵) → (𝑝‘𝐹) ∈ (Base‘𝑅)) |
16 | mplmapghm.h | . . 3 ⊢ 𝐻 = (𝑝 ∈ 𝐵 ↦ (𝑝‘𝐹)) | |
17 | 15, 16 | fmptd 7134 | . 2 ⊢ (𝜑 → 𝐻:𝐵⟶(Base‘𝑅)) |
18 | simprl 771 | . . . . . 6 ⊢ ((𝜑 ∧ (𝑞 ∈ 𝐵 ∧ 𝑟 ∈ 𝐵)) → 𝑞 ∈ 𝐵) | |
19 | simprr 773 | . . . . . 6 ⊢ ((𝜑 ∧ (𝑞 ∈ 𝐵 ∧ 𝑟 ∈ 𝐵)) → 𝑟 ∈ 𝐵) | |
20 | 7, 1, 4, 3, 18, 19 | mpladd 22047 | . . . . 5 ⊢ ((𝜑 ∧ (𝑞 ∈ 𝐵 ∧ 𝑟 ∈ 𝐵)) → (𝑞(+g‘𝑃)𝑟) = (𝑞 ∘f (+g‘𝑅)𝑟)) |
21 | 20 | fveq1d 6909 | . . . 4 ⊢ ((𝜑 ∧ (𝑞 ∈ 𝐵 ∧ 𝑟 ∈ 𝐵)) → ((𝑞(+g‘𝑃)𝑟)‘𝐹) = ((𝑞 ∘f (+g‘𝑅)𝑟)‘𝐹)) |
22 | 7, 2, 1, 10, 18 | mplelf 22036 | . . . . . . 7 ⊢ ((𝜑 ∧ (𝑞 ∈ 𝐵 ∧ 𝑟 ∈ 𝐵)) → 𝑞:𝐷⟶(Base‘𝑅)) |
23 | 22 | ffnd 6738 | . . . . . 6 ⊢ ((𝜑 ∧ (𝑞 ∈ 𝐵 ∧ 𝑟 ∈ 𝐵)) → 𝑞 Fn 𝐷) |
24 | 7, 2, 1, 10, 19 | mplelf 22036 | . . . . . . 7 ⊢ ((𝜑 ∧ (𝑞 ∈ 𝐵 ∧ 𝑟 ∈ 𝐵)) → 𝑟:𝐷⟶(Base‘𝑅)) |
25 | 24 | ffnd 6738 | . . . . . 6 ⊢ ((𝜑 ∧ (𝑞 ∈ 𝐵 ∧ 𝑟 ∈ 𝐵)) → 𝑟 Fn 𝐷) |
26 | ovex 7464 | . . . . . . . 8 ⊢ (ℕ0 ↑m 𝐼) ∈ V | |
27 | 10, 26 | rabex2 5347 | . . . . . . 7 ⊢ 𝐷 ∈ V |
28 | 27 | a1i 11 | . . . . . 6 ⊢ ((𝜑 ∧ (𝑞 ∈ 𝐵 ∧ 𝑟 ∈ 𝐵)) → 𝐷 ∈ V) |
29 | inidm 4235 | . . . . . 6 ⊢ (𝐷 ∩ 𝐷) = 𝐷 | |
30 | eqidd 2736 | . . . . . 6 ⊢ (((𝜑 ∧ (𝑞 ∈ 𝐵 ∧ 𝑟 ∈ 𝐵)) ∧ 𝐹 ∈ 𝐷) → (𝑞‘𝐹) = (𝑞‘𝐹)) | |
31 | eqidd 2736 | . . . . . 6 ⊢ (((𝜑 ∧ (𝑞 ∈ 𝐵 ∧ 𝑟 ∈ 𝐵)) ∧ 𝐹 ∈ 𝐷) → (𝑟‘𝐹) = (𝑟‘𝐹)) | |
32 | 23, 25, 28, 28, 29, 30, 31 | ofval 7708 | . . . . 5 ⊢ (((𝜑 ∧ (𝑞 ∈ 𝐵 ∧ 𝑟 ∈ 𝐵)) ∧ 𝐹 ∈ 𝐷) → ((𝑞 ∘f (+g‘𝑅)𝑟)‘𝐹) = ((𝑞‘𝐹)(+g‘𝑅)(𝑟‘𝐹))) |
33 | 13, 32 | mpidan 689 | . . . 4 ⊢ ((𝜑 ∧ (𝑞 ∈ 𝐵 ∧ 𝑟 ∈ 𝐵)) → ((𝑞 ∘f (+g‘𝑅)𝑟)‘𝐹) = ((𝑞‘𝐹)(+g‘𝑅)(𝑟‘𝐹))) |
34 | 21, 33 | eqtrd 2775 | . . 3 ⊢ ((𝜑 ∧ (𝑞 ∈ 𝐵 ∧ 𝑟 ∈ 𝐵)) → ((𝑞(+g‘𝑃)𝑟)‘𝐹) = ((𝑞‘𝐹)(+g‘𝑅)(𝑟‘𝐹))) |
35 | fveq1 6906 | . . . 4 ⊢ (𝑝 = (𝑞(+g‘𝑃)𝑟) → (𝑝‘𝐹) = ((𝑞(+g‘𝑃)𝑟)‘𝐹)) | |
36 | 9 | adantr 480 | . . . . 5 ⊢ ((𝜑 ∧ (𝑞 ∈ 𝐵 ∧ 𝑟 ∈ 𝐵)) → 𝑃 ∈ Grp) |
37 | 1, 3, 36, 18, 19 | grpcld 18978 | . . . 4 ⊢ ((𝜑 ∧ (𝑞 ∈ 𝐵 ∧ 𝑟 ∈ 𝐵)) → (𝑞(+g‘𝑃)𝑟) ∈ 𝐵) |
38 | fvexd 6922 | . . . 4 ⊢ ((𝜑 ∧ (𝑞 ∈ 𝐵 ∧ 𝑟 ∈ 𝐵)) → ((𝑞(+g‘𝑃)𝑟)‘𝐹) ∈ V) | |
39 | 16, 35, 37, 38 | fvmptd3 7039 | . . 3 ⊢ ((𝜑 ∧ (𝑞 ∈ 𝐵 ∧ 𝑟 ∈ 𝐵)) → (𝐻‘(𝑞(+g‘𝑃)𝑟)) = ((𝑞(+g‘𝑃)𝑟)‘𝐹)) |
40 | fveq1 6906 | . . . . 5 ⊢ (𝑝 = 𝑞 → (𝑝‘𝐹) = (𝑞‘𝐹)) | |
41 | fvexd 6922 | . . . . 5 ⊢ ((𝜑 ∧ (𝑞 ∈ 𝐵 ∧ 𝑟 ∈ 𝐵)) → (𝑞‘𝐹) ∈ V) | |
42 | 16, 40, 18, 41 | fvmptd3 7039 | . . . 4 ⊢ ((𝜑 ∧ (𝑞 ∈ 𝐵 ∧ 𝑟 ∈ 𝐵)) → (𝐻‘𝑞) = (𝑞‘𝐹)) |
43 | fveq1 6906 | . . . . 5 ⊢ (𝑝 = 𝑟 → (𝑝‘𝐹) = (𝑟‘𝐹)) | |
44 | fvexd 6922 | . . . . 5 ⊢ ((𝜑 ∧ (𝑞 ∈ 𝐵 ∧ 𝑟 ∈ 𝐵)) → (𝑟‘𝐹) ∈ V) | |
45 | 16, 43, 19, 44 | fvmptd3 7039 | . . . 4 ⊢ ((𝜑 ∧ (𝑞 ∈ 𝐵 ∧ 𝑟 ∈ 𝐵)) → (𝐻‘𝑟) = (𝑟‘𝐹)) |
46 | 42, 45 | oveq12d 7449 | . . 3 ⊢ ((𝜑 ∧ (𝑞 ∈ 𝐵 ∧ 𝑟 ∈ 𝐵)) → ((𝐻‘𝑞)(+g‘𝑅)(𝐻‘𝑟)) = ((𝑞‘𝐹)(+g‘𝑅)(𝑟‘𝐹))) |
47 | 34, 39, 46 | 3eqtr4d 2785 | . 2 ⊢ ((𝜑 ∧ (𝑞 ∈ 𝐵 ∧ 𝑟 ∈ 𝐵)) → (𝐻‘(𝑞(+g‘𝑃)𝑟)) = ((𝐻‘𝑞)(+g‘𝑅)(𝐻‘𝑟))) |
48 | 1, 2, 3, 4, 9, 6, 17, 47 | isghmd 19256 | 1 ⊢ (𝜑 → 𝐻 ∈ (𝑃 GrpHom 𝑅)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1537 ∈ wcel 2106 {crab 3433 Vcvv 3478 ↦ cmpt 5231 ◡ccnv 5688 “ cima 5692 ‘cfv 6563 (class class class)co 7431 ∘f cof 7695 ↑m cmap 8865 Fincfn 8984 ℕcn 12264 ℕ0cn0 12524 Basecbs 17245 +gcplusg 17298 Grpcgrp 18964 GrpHom cghm 19243 mPoly cmpl 21944 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1908 ax-6 1965 ax-7 2005 ax-8 2108 ax-9 2116 ax-10 2139 ax-11 2155 ax-12 2175 ax-ext 2706 ax-rep 5285 ax-sep 5302 ax-nul 5312 ax-pow 5371 ax-pr 5438 ax-un 7754 ax-cnex 11209 ax-resscn 11210 ax-1cn 11211 ax-icn 11212 ax-addcl 11213 ax-addrcl 11214 ax-mulcl 11215 ax-mulrcl 11216 ax-mulcom 11217 ax-addass 11218 ax-mulass 11219 ax-distr 11220 ax-i2m1 11221 ax-1ne0 11222 ax-1rid 11223 ax-rnegex 11224 ax-rrecex 11225 ax-cnre 11226 ax-pre-lttri 11227 ax-pre-lttrn 11228 ax-pre-ltadd 11229 ax-pre-mulgt0 11230 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1540 df-fal 1550 df-ex 1777 df-nf 1781 df-sb 2063 df-mo 2538 df-eu 2567 df-clab 2713 df-cleq 2727 df-clel 2814 df-nfc 2890 df-ne 2939 df-nel 3045 df-ral 3060 df-rex 3069 df-rmo 3378 df-reu 3379 df-rab 3434 df-v 3480 df-sbc 3792 df-csb 3909 df-dif 3966 df-un 3968 df-in 3970 df-ss 3980 df-pss 3983 df-nul 4340 df-if 4532 df-pw 4607 df-sn 4632 df-pr 4634 df-tp 4636 df-op 4638 df-uni 4913 df-iun 4998 df-br 5149 df-opab 5211 df-mpt 5232 df-tr 5266 df-id 5583 df-eprel 5589 df-po 5597 df-so 5598 df-fr 5641 df-we 5643 df-xp 5695 df-rel 5696 df-cnv 5697 df-co 5698 df-dm 5699 df-rn 5700 df-res 5701 df-ima 5702 df-pred 6323 df-ord 6389 df-on 6390 df-lim 6391 df-suc 6392 df-iota 6516 df-fun 6565 df-fn 6566 df-f 6567 df-f1 6568 df-fo 6569 df-f1o 6570 df-fv 6571 df-riota 7388 df-ov 7434 df-oprab 7435 df-mpo 7436 df-of 7697 df-om 7888 df-1st 8013 df-2nd 8014 df-supp 8185 df-frecs 8305 df-wrecs 8336 df-recs 8410 df-rdg 8449 df-1o 8505 df-er 8744 df-map 8867 df-ixp 8937 df-en 8985 df-dom 8986 df-sdom 8987 df-fin 8988 df-fsupp 9400 df-sup 9480 df-pnf 11295 df-mnf 11296 df-xr 11297 df-ltxr 11298 df-le 11299 df-sub 11492 df-neg 11493 df-nn 12265 df-2 12327 df-3 12328 df-4 12329 df-5 12330 df-6 12331 df-7 12332 df-8 12333 df-9 12334 df-n0 12525 df-z 12612 df-dec 12732 df-uz 12877 df-fz 13545 df-struct 17181 df-sets 17198 df-slot 17216 df-ndx 17228 df-base 17246 df-ress 17275 df-plusg 17311 df-mulr 17312 df-sca 17314 df-vsca 17315 df-ip 17316 df-tset 17317 df-ple 17318 df-ds 17320 df-hom 17322 df-cco 17323 df-0g 17488 df-prds 17494 df-pws 17496 df-mgm 18666 df-sgrp 18745 df-mnd 18761 df-grp 18967 df-minusg 18968 df-subg 19154 df-ghm 19244 df-psr 21947 df-mpl 21949 |
This theorem is referenced by: selvvvval 42572 evlselv 42574 |
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