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Mirrors > Home > MPE Home > Th. List > gsumply1subr | Structured version Visualization version GIF version |
Description: Evaluate a group sum in a polynomial ring over a subring. (Contributed by AV, 22-Sep-2019.) (Proof shortened by AV, 31-Jan-2020.) |
Ref | Expression |
---|---|
subrgply1.s | ⊢ 𝑆 = (Poly1‘𝑅) |
subrgply1.h | ⊢ 𝐻 = (𝑅 ↾s 𝑇) |
subrgply1.u | ⊢ 𝑈 = (Poly1‘𝐻) |
subrgply1.b | ⊢ 𝐵 = (Base‘𝑈) |
gsumply1subr.s | ⊢ (𝜑 → 𝑇 ∈ (SubRing‘𝑅)) |
gsumply1subr.a | ⊢ (𝜑 → 𝐴 ∈ 𝑉) |
gsumply1subr.f | ⊢ (𝜑 → 𝐹:𝐴⟶𝐵) |
Ref | Expression |
---|---|
gsumply1subr | ⊢ (𝜑 → (𝑆 Σg 𝐹) = (𝑈 Σg 𝐹)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | gsumply1subr.a | . . 3 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
2 | gsumply1subr.s | . . . 4 ⊢ (𝜑 → 𝑇 ∈ (SubRing‘𝑅)) | |
3 | subrgply1.s | . . . . 5 ⊢ 𝑆 = (Poly1‘𝑅) | |
4 | subrgply1.h | . . . . 5 ⊢ 𝐻 = (𝑅 ↾s 𝑇) | |
5 | subrgply1.u | . . . . 5 ⊢ 𝑈 = (Poly1‘𝐻) | |
6 | subrgply1.b | . . . . 5 ⊢ 𝐵 = (Base‘𝑈) | |
7 | 3, 4, 5, 6 | subrgply1 21314 | . . . 4 ⊢ (𝑇 ∈ (SubRing‘𝑅) → 𝐵 ∈ (SubRing‘𝑆)) |
8 | subrgsubg 19945 | . . . . 5 ⊢ (𝐵 ∈ (SubRing‘𝑆) → 𝐵 ∈ (SubGrp‘𝑆)) | |
9 | subgsubm 18692 | . . . . 5 ⊢ (𝐵 ∈ (SubGrp‘𝑆) → 𝐵 ∈ (SubMnd‘𝑆)) | |
10 | 8, 9 | syl 17 | . . . 4 ⊢ (𝐵 ∈ (SubRing‘𝑆) → 𝐵 ∈ (SubMnd‘𝑆)) |
11 | 2, 7, 10 | 3syl 18 | . . 3 ⊢ (𝜑 → 𝐵 ∈ (SubMnd‘𝑆)) |
12 | gsumply1subr.f | . . 3 ⊢ (𝜑 → 𝐹:𝐴⟶𝐵) | |
13 | eqid 2738 | . . 3 ⊢ (𝑆 ↾s 𝐵) = (𝑆 ↾s 𝐵) | |
14 | 1, 11, 12, 13 | gsumsubm 18388 | . 2 ⊢ (𝜑 → (𝑆 Σg 𝐹) = ((𝑆 ↾s 𝐵) Σg 𝐹)) |
15 | 12, 1 | fexd 7085 | . . 3 ⊢ (𝜑 → 𝐹 ∈ V) |
16 | ovexd 7290 | . . 3 ⊢ (𝜑 → (𝑆 ↾s 𝐵) ∈ V) | |
17 | 5 | fvexi 6770 | . . . 4 ⊢ 𝑈 ∈ V |
18 | 17 | a1i 11 | . . 3 ⊢ (𝜑 → 𝑈 ∈ V) |
19 | eqid 2738 | . . . . 5 ⊢ (Base‘𝑈) = (Base‘𝑈) | |
20 | 6 | oveq2i 7266 | . . . . 5 ⊢ (𝑆 ↾s 𝐵) = (𝑆 ↾s (Base‘𝑈)) |
21 | 3, 4, 5, 19, 2, 20 | ressply1bas 21310 | . . . 4 ⊢ (𝜑 → (Base‘𝑈) = (Base‘(𝑆 ↾s 𝐵))) |
22 | 21 | eqcomd 2744 | . . 3 ⊢ (𝜑 → (Base‘(𝑆 ↾s 𝐵)) = (Base‘𝑈)) |
23 | 13 | subrgring 19942 | . . . . 5 ⊢ (𝐵 ∈ (SubRing‘𝑆) → (𝑆 ↾s 𝐵) ∈ Ring) |
24 | 7, 23 | syl 17 | . . . 4 ⊢ (𝑇 ∈ (SubRing‘𝑅) → (𝑆 ↾s 𝐵) ∈ Ring) |
25 | ringmgm 19709 | . . . 4 ⊢ ((𝑆 ↾s 𝐵) ∈ Ring → (𝑆 ↾s 𝐵) ∈ Mgm) | |
26 | 2, 24, 25 | 3syl 18 | . . 3 ⊢ (𝜑 → (𝑆 ↾s 𝐵) ∈ Mgm) |
27 | simpl 482 | . . . . 5 ⊢ ((𝜑 ∧ (𝑠 ∈ (Base‘(𝑆 ↾s 𝐵)) ∧ 𝑡 ∈ (Base‘(𝑆 ↾s 𝐵)))) → 𝜑) | |
28 | 3, 4, 5, 6, 2, 13 | ressply1bas 21310 | . . . . . . . . . 10 ⊢ (𝜑 → 𝐵 = (Base‘(𝑆 ↾s 𝐵))) |
29 | 28 | eqcomd 2744 | . . . . . . . . 9 ⊢ (𝜑 → (Base‘(𝑆 ↾s 𝐵)) = 𝐵) |
30 | 29 | eleq2d 2824 | . . . . . . . 8 ⊢ (𝜑 → (𝑠 ∈ (Base‘(𝑆 ↾s 𝐵)) ↔ 𝑠 ∈ 𝐵)) |
31 | 30 | biimpcd 248 | . . . . . . 7 ⊢ (𝑠 ∈ (Base‘(𝑆 ↾s 𝐵)) → (𝜑 → 𝑠 ∈ 𝐵)) |
32 | 31 | adantr 480 | . . . . . 6 ⊢ ((𝑠 ∈ (Base‘(𝑆 ↾s 𝐵)) ∧ 𝑡 ∈ (Base‘(𝑆 ↾s 𝐵))) → (𝜑 → 𝑠 ∈ 𝐵)) |
33 | 32 | impcom 407 | . . . . 5 ⊢ ((𝜑 ∧ (𝑠 ∈ (Base‘(𝑆 ↾s 𝐵)) ∧ 𝑡 ∈ (Base‘(𝑆 ↾s 𝐵)))) → 𝑠 ∈ 𝐵) |
34 | 29 | eleq2d 2824 | . . . . . . . 8 ⊢ (𝜑 → (𝑡 ∈ (Base‘(𝑆 ↾s 𝐵)) ↔ 𝑡 ∈ 𝐵)) |
35 | 34 | biimpcd 248 | . . . . . . 7 ⊢ (𝑡 ∈ (Base‘(𝑆 ↾s 𝐵)) → (𝜑 → 𝑡 ∈ 𝐵)) |
36 | 35 | adantl 481 | . . . . . 6 ⊢ ((𝑠 ∈ (Base‘(𝑆 ↾s 𝐵)) ∧ 𝑡 ∈ (Base‘(𝑆 ↾s 𝐵))) → (𝜑 → 𝑡 ∈ 𝐵)) |
37 | 36 | impcom 407 | . . . . 5 ⊢ ((𝜑 ∧ (𝑠 ∈ (Base‘(𝑆 ↾s 𝐵)) ∧ 𝑡 ∈ (Base‘(𝑆 ↾s 𝐵)))) → 𝑡 ∈ 𝐵) |
38 | 3, 4, 5, 6, 2, 13 | ressply1add 21311 | . . . . 5 ⊢ ((𝜑 ∧ (𝑠 ∈ 𝐵 ∧ 𝑡 ∈ 𝐵)) → (𝑠(+g‘𝑈)𝑡) = (𝑠(+g‘(𝑆 ↾s 𝐵))𝑡)) |
39 | 27, 33, 37, 38 | syl12anc 833 | . . . 4 ⊢ ((𝜑 ∧ (𝑠 ∈ (Base‘(𝑆 ↾s 𝐵)) ∧ 𝑡 ∈ (Base‘(𝑆 ↾s 𝐵)))) → (𝑠(+g‘𝑈)𝑡) = (𝑠(+g‘(𝑆 ↾s 𝐵))𝑡)) |
40 | 39 | eqcomd 2744 | . . 3 ⊢ ((𝜑 ∧ (𝑠 ∈ (Base‘(𝑆 ↾s 𝐵)) ∧ 𝑡 ∈ (Base‘(𝑆 ↾s 𝐵)))) → (𝑠(+g‘(𝑆 ↾s 𝐵))𝑡) = (𝑠(+g‘𝑈)𝑡)) |
41 | 12 | ffund 6588 | . . 3 ⊢ (𝜑 → Fun 𝐹) |
42 | 12 | frnd 6592 | . . . 4 ⊢ (𝜑 → ran 𝐹 ⊆ 𝐵) |
43 | 42, 28 | sseqtrd 3957 | . . 3 ⊢ (𝜑 → ran 𝐹 ⊆ (Base‘(𝑆 ↾s 𝐵))) |
44 | 15, 16, 18, 22, 26, 40, 41, 43 | gsummgmpropd 18280 | . 2 ⊢ (𝜑 → ((𝑆 ↾s 𝐵) Σg 𝐹) = (𝑈 Σg 𝐹)) |
45 | 14, 44 | eqtrd 2778 | 1 ⊢ (𝜑 → (𝑆 Σg 𝐹) = (𝑈 Σg 𝐹)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1539 ∈ wcel 2108 Vcvv 3422 ran crn 5581 ⟶wf 6414 ‘cfv 6418 (class class class)co 7255 Basecbs 16840 ↾s cress 16867 +gcplusg 16888 Σg cgsu 17068 Mgmcmgm 18239 SubMndcsubmnd 18344 SubGrpcsubg 18664 Ringcrg 19698 SubRingcsubrg 19935 Poly1cpl1 21258 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-int 4877 df-iun 4923 df-iin 4924 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-se 5536 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-isom 6427 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-of 7511 df-ofr 7512 df-om 7688 df-1st 7804 df-2nd 7805 df-supp 7949 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-1o 8267 df-er 8456 df-map 8575 df-pm 8576 df-ixp 8644 df-en 8692 df-dom 8693 df-sdom 8694 df-fin 8695 df-fsupp 9059 df-oi 9199 df-card 9628 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-nn 11904 df-2 11966 df-3 11967 df-4 11968 df-5 11969 df-6 11970 df-7 11971 df-8 11972 df-9 11973 df-n0 12164 df-z 12250 df-dec 12367 df-uz 12512 df-fz 13169 df-fzo 13312 df-seq 13650 df-hash 13973 df-struct 16776 df-sets 16793 df-slot 16811 df-ndx 16823 df-base 16841 df-ress 16868 df-plusg 16901 df-mulr 16902 df-sca 16904 df-vsca 16905 df-tset 16907 df-ple 16908 df-0g 17069 df-gsum 17070 df-mre 17212 df-mrc 17213 df-acs 17215 df-mgm 18241 df-sgrp 18290 df-mnd 18301 df-mhm 18345 df-submnd 18346 df-grp 18495 df-minusg 18496 df-mulg 18616 df-subg 18667 df-ghm 18747 df-cntz 18838 df-cmn 19303 df-abl 19304 df-mgp 19636 df-ur 19653 df-ring 19700 df-subrg 19937 df-psr 21022 df-mpl 21024 df-opsr 21026 df-psr1 21261 df-ply1 21263 |
This theorem is referenced by: (None) |
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