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| Mirrors > Home > MPE Home > Th. List > gsumsnd | Structured version Visualization version GIF version | ||
| Description: Group sum of a singleton, deduction form. (Contributed by Thierry Arnoux, 30-Jan-2017.) (Proof shortened by AV, 11-Dec-2019.) |
| Ref | Expression |
|---|---|
| gsumsnd.b | ⊢ 𝐵 = (Base‘𝐺) |
| gsumsnd.g | ⊢ (𝜑 → 𝐺 ∈ Mnd) |
| gsumsnd.m | ⊢ (𝜑 → 𝑀 ∈ 𝑉) |
| gsumsnd.c | ⊢ (𝜑 → 𝐶 ∈ 𝐵) |
| gsumsnd.s | ⊢ ((𝜑 ∧ 𝑘 = 𝑀) → 𝐴 = 𝐶) |
| Ref | Expression |
|---|---|
| gsumsnd | ⊢ (𝜑 → (𝐺 Σg (𝑘 ∈ {𝑀} ↦ 𝐴)) = 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | gsumsnd.b | . 2 ⊢ 𝐵 = (Base‘𝐺) | |
| 2 | gsumsnd.g | . 2 ⊢ (𝜑 → 𝐺 ∈ Mnd) | |
| 3 | gsumsnd.m | . 2 ⊢ (𝜑 → 𝑀 ∈ 𝑉) | |
| 4 | gsumsnd.c | . 2 ⊢ (𝜑 → 𝐶 ∈ 𝐵) | |
| 5 | gsumsnd.s | . 2 ⊢ ((𝜑 ∧ 𝑘 = 𝑀) → 𝐴 = 𝐶) | |
| 6 | nfv 1941 | . 2 ⊢ Ⅎ𝑘𝜑 | |
| 7 | nfcv 2931 | . 2 ⊢ Ⅎ𝑘𝐶 | |
| 8 | 1, 2, 3, 4, 5, 6, 7 | gsumsnfd 20020 | 1 ⊢ (𝜑 → (𝐺 Σg (𝑘 ∈ {𝑀} ↦ 𝐴)) = 𝐶) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 = wceq 1567 ∈ wcel 2149 {csn 4594 ↦ cmpt 5196 ‘cfv 6537 (class class class)co 7411 Basecbs 17268 Σg cgsu 17492 Mndcmnd 18791 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-rep 5242 ax-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-cnex 11155 ax-resscn 11156 ax-1cn 11157 ax-icn 11158 ax-addcl 11159 ax-addrcl 11160 ax-mulcl 11161 ax-mulrcl 11162 ax-mulcom 11163 ax-addass 11164 ax-mulass 11165 ax-distr 11166 ax-i2m1 11167 ax-1ne0 11168 ax-1rid 11169 ax-rnegex 11170 ax-rrecex 11171 ax-cnre 11172 ax-pre-lttri 11173 ax-pre-lttrn 11174 ax-pre-ltadd 11175 ax-pre-mulgt0 11176 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-int 4917 df-iun 4962 df-br 5114 df-opab 5178 df-mpt 5197 df-tr 5223 df-id 5557 df-eprel 5562 df-po 5570 df-so 5571 df-fr 5615 df-se 5616 df-we 5617 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-isom 6546 df-riota 7368 df-ov 7414 df-oprab 7415 df-mpo 7416 df-om 7862 df-1st 7985 df-2nd 7986 df-supp 8156 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-rdg 8396 df-1o 8452 df-er 8693 df-en 8943 df-dom 8944 df-sdom 8945 df-fin 8946 df-oi 9471 df-card 9924 df-pnf 11244 df-mnf 11245 df-xr 11246 df-ltxr 11247 df-le 11248 df-sub 11442 df-neg 11443 df-nn 12233 df-n0 12504 df-z 12591 df-uz 12862 df-fz 13535 df-fzo 13682 df-seq 14037 df-hash 14366 df-0g 17493 df-gsum 17494 df-mgm 18697 df-sgrp 18776 df-mnd 18792 df-mulg 19133 df-cntz 19386 |
| This theorem is referenced by: gsumzunsnd 20025 gsumdifsnd 20030 telgsumfzslem 20057 telgsumfzs 20058 gsumle 20214 freshmansdream 21692 mat1mhm 22609 pmatcollpw3fi1lem1 22911 cpmadugsumlemF 23001 gsummptfzsplitra 33318 gsummptfzsplitla 33319 gsumtp 33324 elrspunsn 33680 0mplrim 33848 extdg1id 34000 |
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