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| Mirrors > Home > MPE Home > Th. List > gsummhm2 | Structured version Visualization version GIF version | ||
| Description: Apply a group homomorphism to a group sum, mapping version with implicit substitution. (Contributed by Mario Carneiro, 5-May-2015.) (Revised by AV, 6-Jun-2019.) |
| Ref | Expression |
|---|---|
| gsummhm2.b | ⊢ 𝐵 = (Base‘𝐺) |
| gsummhm2.z | ⊢ 0 = (0g‘𝐺) |
| gsummhm2.g | ⊢ (𝜑 → 𝐺 ∈ CMnd) |
| gsummhm2.h | ⊢ (𝜑 → 𝐻 ∈ Mnd) |
| gsummhm2.a | ⊢ (𝜑 → 𝐴 ∈ 𝑉) |
| gsummhm2.k | ⊢ (𝜑 → (𝑥 ∈ 𝐵 ↦ 𝐶) ∈ (𝐺 MndHom 𝐻)) |
| gsummhm2.f | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝑋 ∈ 𝐵) |
| gsummhm2.w | ⊢ (𝜑 → (𝑘 ∈ 𝐴 ↦ 𝑋) finSupp 0 ) |
| gsummhm2.1 | ⊢ (𝑥 = 𝑋 → 𝐶 = 𝐷) |
| gsummhm2.2 | ⊢ (𝑥 = (𝐺 Σg (𝑘 ∈ 𝐴 ↦ 𝑋)) → 𝐶 = 𝐸) |
| Ref | Expression |
|---|---|
| gsummhm2 | ⊢ (𝜑 → (𝐻 Σg (𝑘 ∈ 𝐴 ↦ 𝐷)) = 𝐸) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | gsummhm2.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 2 | gsummhm2.z | . . 3 ⊢ 0 = (0g‘𝐺) | |
| 3 | gsummhm2.g | . . 3 ⊢ (𝜑 → 𝐺 ∈ CMnd) | |
| 4 | gsummhm2.h | . . 3 ⊢ (𝜑 → 𝐻 ∈ Mnd) | |
| 5 | gsummhm2.a | . . 3 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
| 6 | gsummhm2.k | . . 3 ⊢ (𝜑 → (𝑥 ∈ 𝐵 ↦ 𝐶) ∈ (𝐺 MndHom 𝐻)) | |
| 7 | gsummhm2.f | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝑋 ∈ 𝐵) | |
| 8 | 7 | fmpttd 7090 | . . 3 ⊢ (𝜑 → (𝑘 ∈ 𝐴 ↦ 𝑋):𝐴⟶𝐵) |
| 9 | gsummhm2.w | . . 3 ⊢ (𝜑 → (𝑘 ∈ 𝐴 ↦ 𝑋) finSupp 0 ) | |
| 10 | 1, 2, 3, 4, 5, 6, 8, 9 | gsummhm 19875 | . 2 ⊢ (𝜑 → (𝐻 Σg ((𝑥 ∈ 𝐵 ↦ 𝐶) ∘ (𝑘 ∈ 𝐴 ↦ 𝑋))) = ((𝑥 ∈ 𝐵 ↦ 𝐶)‘(𝐺 Σg (𝑘 ∈ 𝐴 ↦ 𝑋)))) |
| 11 | eqidd 2731 | . . . 4 ⊢ (𝜑 → (𝑘 ∈ 𝐴 ↦ 𝑋) = (𝑘 ∈ 𝐴 ↦ 𝑋)) | |
| 12 | eqidd 2731 | . . . 4 ⊢ (𝜑 → (𝑥 ∈ 𝐵 ↦ 𝐶) = (𝑥 ∈ 𝐵 ↦ 𝐶)) | |
| 13 | gsummhm2.1 | . . . 4 ⊢ (𝑥 = 𝑋 → 𝐶 = 𝐷) | |
| 14 | 7, 11, 12, 13 | fmptco 7104 | . . 3 ⊢ (𝜑 → ((𝑥 ∈ 𝐵 ↦ 𝐶) ∘ (𝑘 ∈ 𝐴 ↦ 𝑋)) = (𝑘 ∈ 𝐴 ↦ 𝐷)) |
| 15 | 14 | oveq2d 7406 | . 2 ⊢ (𝜑 → (𝐻 Σg ((𝑥 ∈ 𝐵 ↦ 𝐶) ∘ (𝑘 ∈ 𝐴 ↦ 𝑋))) = (𝐻 Σg (𝑘 ∈ 𝐴 ↦ 𝐷))) |
| 16 | eqid 2730 | . . 3 ⊢ (𝑥 ∈ 𝐵 ↦ 𝐶) = (𝑥 ∈ 𝐵 ↦ 𝐶) | |
| 17 | gsummhm2.2 | . . 3 ⊢ (𝑥 = (𝐺 Σg (𝑘 ∈ 𝐴 ↦ 𝑋)) → 𝐶 = 𝐸) | |
| 18 | 1, 2, 3, 5, 8, 9 | gsumcl 19852 | . . 3 ⊢ (𝜑 → (𝐺 Σg (𝑘 ∈ 𝐴 ↦ 𝑋)) ∈ 𝐵) |
| 19 | 17 | eleq1d 2814 | . . . 4 ⊢ (𝑥 = (𝐺 Σg (𝑘 ∈ 𝐴 ↦ 𝑋)) → (𝐶 ∈ (Base‘𝐻) ↔ 𝐸 ∈ (Base‘𝐻))) |
| 20 | eqid 2730 | . . . . . . 7 ⊢ (Base‘𝐻) = (Base‘𝐻) | |
| 21 | 1, 20 | mhmf 18723 | . . . . . 6 ⊢ ((𝑥 ∈ 𝐵 ↦ 𝐶) ∈ (𝐺 MndHom 𝐻) → (𝑥 ∈ 𝐵 ↦ 𝐶):𝐵⟶(Base‘𝐻)) |
| 22 | 6, 21 | syl 17 | . . . . 5 ⊢ (𝜑 → (𝑥 ∈ 𝐵 ↦ 𝐶):𝐵⟶(Base‘𝐻)) |
| 23 | 16 | fmpt 7085 | . . . . 5 ⊢ (∀𝑥 ∈ 𝐵 𝐶 ∈ (Base‘𝐻) ↔ (𝑥 ∈ 𝐵 ↦ 𝐶):𝐵⟶(Base‘𝐻)) |
| 24 | 22, 23 | sylibr 234 | . . . 4 ⊢ (𝜑 → ∀𝑥 ∈ 𝐵 𝐶 ∈ (Base‘𝐻)) |
| 25 | 19, 24, 18 | rspcdva 3592 | . . 3 ⊢ (𝜑 → 𝐸 ∈ (Base‘𝐻)) |
| 26 | 16, 17, 18, 25 | fvmptd3 6994 | . 2 ⊢ (𝜑 → ((𝑥 ∈ 𝐵 ↦ 𝐶)‘(𝐺 Σg (𝑘 ∈ 𝐴 ↦ 𝑋))) = 𝐸) |
| 27 | 10, 15, 26 | 3eqtr3d 2773 | 1 ⊢ (𝜑 → (𝐻 Σg (𝑘 ∈ 𝐴 ↦ 𝐷)) = 𝐸) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1540 ∈ wcel 2109 ∀wral 3045 class class class wbr 5110 ↦ cmpt 5191 ∘ ccom 5645 ⟶wf 6510 ‘cfv 6514 (class class class)co 7390 finSupp cfsupp 9319 Basecbs 17186 0gc0g 17409 Σg cgsu 17410 Mndcmnd 18668 MndHom cmhm 18715 CMndccmn 19717 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2702 ax-rep 5237 ax-sep 5254 ax-nul 5264 ax-pow 5323 ax-pr 5390 ax-un 7714 ax-cnex 11131 ax-resscn 11132 ax-1cn 11133 ax-icn 11134 ax-addcl 11135 ax-addrcl 11136 ax-mulcl 11137 ax-mulrcl 11138 ax-mulcom 11139 ax-addass 11140 ax-mulass 11141 ax-distr 11142 ax-i2m1 11143 ax-1ne0 11144 ax-1rid 11145 ax-rnegex 11146 ax-rrecex 11147 ax-cnre 11148 ax-pre-lttri 11149 ax-pre-lttrn 11150 ax-pre-ltadd 11151 ax-pre-mulgt0 11152 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2534 df-eu 2563 df-clab 2709 df-cleq 2722 df-clel 2804 df-nfc 2879 df-ne 2927 df-nel 3031 df-ral 3046 df-rex 3055 df-rmo 3356 df-reu 3357 df-rab 3409 df-v 3452 df-sbc 3757 df-csb 3866 df-dif 3920 df-un 3922 df-in 3924 df-ss 3934 df-pss 3937 df-nul 4300 df-if 4492 df-pw 4568 df-sn 4593 df-pr 4595 df-op 4599 df-uni 4875 df-int 4914 df-iun 4960 df-br 5111 df-opab 5173 df-mpt 5192 df-tr 5218 df-id 5536 df-eprel 5541 df-po 5549 df-so 5550 df-fr 5594 df-se 5595 df-we 5596 df-xp 5647 df-rel 5648 df-cnv 5649 df-co 5650 df-dm 5651 df-rn 5652 df-res 5653 df-ima 5654 df-pred 6277 df-ord 6338 df-on 6339 df-lim 6340 df-suc 6341 df-iota 6467 df-fun 6516 df-fn 6517 df-f 6518 df-f1 6519 df-fo 6520 df-f1o 6521 df-fv 6522 df-isom 6523 df-riota 7347 df-ov 7393 df-oprab 7394 df-mpo 7395 df-om 7846 df-1st 7971 df-2nd 7972 df-supp 8143 df-frecs 8263 df-wrecs 8294 df-recs 8343 df-rdg 8381 df-1o 8437 df-er 8674 df-map 8804 df-en 8922 df-dom 8923 df-sdom 8924 df-fin 8925 df-fsupp 9320 df-oi 9470 df-card 9899 df-pnf 11217 df-mnf 11218 df-xr 11219 df-ltxr 11220 df-le 11221 df-sub 11414 df-neg 11415 df-nn 12194 df-n0 12450 df-z 12537 df-uz 12801 df-fz 13476 df-fzo 13623 df-seq 13974 df-hash 14303 df-0g 17411 df-gsum 17412 df-mgm 18574 df-sgrp 18653 df-mnd 18669 df-mhm 18717 df-cntz 19256 df-cmn 19719 |
| This theorem is referenced by: gsummulglem 19878 prdsgsum 19918 srgsummulcr 20139 sgsummulcl 20140 gsummulc1OLD 20230 gsummulc2OLD 20231 gsummulc1 20232 gsummulc2 20233 gsumvsmul 20839 lgseisenlem4 27296 gsumvsmul1 32998 gsummulgc2 33007 pwsgprod 42539 mhphflem 42591 |
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