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Mirrors > Home > MPE Home > Th. List > gsummptmhm | Structured version Visualization version GIF version |
Description: Apply a group homomorphism to a group sum expressed with a mapping. (Contributed by Thierry Arnoux, 7-Sep-2018.) (Revised by AV, 8-Sep-2019.) |
Ref | Expression |
---|---|
gsummptmhm.b | ⊢ 𝐵 = (Base‘𝐺) |
gsummptmhm.z | ⊢ 0 = (0g‘𝐺) |
gsummptmhm.g | ⊢ (𝜑 → 𝐺 ∈ CMnd) |
gsummptmhm.h | ⊢ (𝜑 → 𝐻 ∈ Mnd) |
gsummptmhm.a | ⊢ (𝜑 → 𝐴 ∈ 𝑉) |
gsummptmhm.k | ⊢ (𝜑 → 𝐾 ∈ (𝐺 MndHom 𝐻)) |
gsummptmhm.c | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐶 ∈ 𝐵) |
gsummptmhm.w | ⊢ (𝜑 → (𝑥 ∈ 𝐴 ↦ 𝐶) finSupp 0 ) |
Ref | Expression |
---|---|
gsummptmhm | ⊢ (𝜑 → (𝐻 Σg (𝑥 ∈ 𝐴 ↦ (𝐾‘𝐶))) = (𝐾‘(𝐺 Σg (𝑥 ∈ 𝐴 ↦ 𝐶)))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | gsummptmhm.c | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐶 ∈ 𝐵) | |
2 | eqidd 2740 | . . . 4 ⊢ (𝜑 → (𝑥 ∈ 𝐴 ↦ 𝐶) = (𝑥 ∈ 𝐴 ↦ 𝐶)) | |
3 | gsummptmhm.k | . . . . . 6 ⊢ (𝜑 → 𝐾 ∈ (𝐺 MndHom 𝐻)) | |
4 | gsummptmhm.b | . . . . . . 7 ⊢ 𝐵 = (Base‘𝐺) | |
5 | eqid 2739 | . . . . . . 7 ⊢ (Base‘𝐻) = (Base‘𝐻) | |
6 | 4, 5 | mhmf 18416 | . . . . . 6 ⊢ (𝐾 ∈ (𝐺 MndHom 𝐻) → 𝐾:𝐵⟶(Base‘𝐻)) |
7 | ffn 6596 | . . . . . 6 ⊢ (𝐾:𝐵⟶(Base‘𝐻) → 𝐾 Fn 𝐵) | |
8 | 3, 6, 7 | 3syl 18 | . . . . 5 ⊢ (𝜑 → 𝐾 Fn 𝐵) |
9 | dffn5 6822 | . . . . 5 ⊢ (𝐾 Fn 𝐵 ↔ 𝐾 = (𝑦 ∈ 𝐵 ↦ (𝐾‘𝑦))) | |
10 | 8, 9 | sylib 217 | . . . 4 ⊢ (𝜑 → 𝐾 = (𝑦 ∈ 𝐵 ↦ (𝐾‘𝑦))) |
11 | fveq2 6768 | . . . 4 ⊢ (𝑦 = 𝐶 → (𝐾‘𝑦) = (𝐾‘𝐶)) | |
12 | 1, 2, 10, 11 | fmptco 6995 | . . 3 ⊢ (𝜑 → (𝐾 ∘ (𝑥 ∈ 𝐴 ↦ 𝐶)) = (𝑥 ∈ 𝐴 ↦ (𝐾‘𝐶))) |
13 | 12 | oveq2d 7284 | . 2 ⊢ (𝜑 → (𝐻 Σg (𝐾 ∘ (𝑥 ∈ 𝐴 ↦ 𝐶))) = (𝐻 Σg (𝑥 ∈ 𝐴 ↦ (𝐾‘𝐶)))) |
14 | gsummptmhm.z | . . 3 ⊢ 0 = (0g‘𝐺) | |
15 | gsummptmhm.g | . . 3 ⊢ (𝜑 → 𝐺 ∈ CMnd) | |
16 | gsummptmhm.h | . . 3 ⊢ (𝜑 → 𝐻 ∈ Mnd) | |
17 | gsummptmhm.a | . . 3 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
18 | 1 | fmpttd 6983 | . . 3 ⊢ (𝜑 → (𝑥 ∈ 𝐴 ↦ 𝐶):𝐴⟶𝐵) |
19 | gsummptmhm.w | . . 3 ⊢ (𝜑 → (𝑥 ∈ 𝐴 ↦ 𝐶) finSupp 0 ) | |
20 | 4, 14, 15, 16, 17, 3, 18, 19 | gsummhm 19520 | . 2 ⊢ (𝜑 → (𝐻 Σg (𝐾 ∘ (𝑥 ∈ 𝐴 ↦ 𝐶))) = (𝐾‘(𝐺 Σg (𝑥 ∈ 𝐴 ↦ 𝐶)))) |
21 | 13, 20 | eqtr3d 2781 | 1 ⊢ (𝜑 → (𝐻 Σg (𝑥 ∈ 𝐴 ↦ (𝐾‘𝐶))) = (𝐾‘(𝐺 Σg (𝑥 ∈ 𝐴 ↦ 𝐶)))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1541 ∈ wcel 2109 class class class wbr 5078 ↦ cmpt 5161 ∘ ccom 5592 Fn wfn 6425 ⟶wf 6426 ‘cfv 6430 (class class class)co 7268 finSupp cfsupp 9089 Basecbs 16893 0gc0g 17131 Σg cgsu 17132 Mndcmnd 18366 MndHom cmhm 18409 CMndccmn 19367 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1801 ax-4 1815 ax-5 1916 ax-6 1974 ax-7 2014 ax-8 2111 ax-9 2119 ax-10 2140 ax-11 2157 ax-12 2174 ax-ext 2710 ax-rep 5213 ax-sep 5226 ax-nul 5233 ax-pow 5291 ax-pr 5355 ax-un 7579 ax-cnex 10911 ax-resscn 10912 ax-1cn 10913 ax-icn 10914 ax-addcl 10915 ax-addrcl 10916 ax-mulcl 10917 ax-mulrcl 10918 ax-mulcom 10919 ax-addass 10920 ax-mulass 10921 ax-distr 10922 ax-i2m1 10923 ax-1ne0 10924 ax-1rid 10925 ax-rnegex 10926 ax-rrecex 10927 ax-cnre 10928 ax-pre-lttri 10929 ax-pre-lttrn 10930 ax-pre-ltadd 10931 ax-pre-mulgt0 10932 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1544 df-fal 1554 df-ex 1786 df-nf 1790 df-sb 2071 df-mo 2541 df-eu 2570 df-clab 2717 df-cleq 2731 df-clel 2817 df-nfc 2890 df-ne 2945 df-nel 3051 df-ral 3070 df-rex 3071 df-reu 3072 df-rmo 3073 df-rab 3074 df-v 3432 df-sbc 3720 df-csb 3837 df-dif 3894 df-un 3896 df-in 3898 df-ss 3908 df-pss 3910 df-nul 4262 df-if 4465 df-pw 4540 df-sn 4567 df-pr 4569 df-tp 4571 df-op 4573 df-uni 4845 df-int 4885 df-iun 4931 df-br 5079 df-opab 5141 df-mpt 5162 df-tr 5196 df-id 5488 df-eprel 5494 df-po 5502 df-so 5503 df-fr 5543 df-se 5544 df-we 5545 df-xp 5594 df-rel 5595 df-cnv 5596 df-co 5597 df-dm 5598 df-rn 5599 df-res 5600 df-ima 5601 df-pred 6199 df-ord 6266 df-on 6267 df-lim 6268 df-suc 6269 df-iota 6388 df-fun 6432 df-fn 6433 df-f 6434 df-f1 6435 df-fo 6436 df-f1o 6437 df-fv 6438 df-isom 6439 df-riota 7225 df-ov 7271 df-oprab 7272 df-mpo 7273 df-om 7701 df-1st 7817 df-2nd 7818 df-supp 7962 df-frecs 8081 df-wrecs 8112 df-recs 8186 df-rdg 8225 df-1o 8281 df-er 8472 df-map 8591 df-en 8708 df-dom 8709 df-sdom 8710 df-fin 8711 df-fsupp 9090 df-oi 9230 df-card 9681 df-pnf 10995 df-mnf 10996 df-xr 10997 df-ltxr 10998 df-le 10999 df-sub 11190 df-neg 11191 df-nn 11957 df-n0 12217 df-z 12303 df-uz 12565 df-fz 13222 df-fzo 13365 df-seq 13703 df-hash 14026 df-0g 17133 df-gsum 17134 df-mgm 18307 df-sgrp 18356 df-mnd 18367 df-mhm 18411 df-cntz 18904 df-cmn 19369 |
This theorem is referenced by: evlsgsumadd 21282 evlsgsummul 21283 evls1gsumadd 21471 evls1gsummul 21472 evl1gsummul 21507 mat2pmatmul 21861 pm2mp 21955 cayhamlem4 22018 |
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