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| Mirrors > Home > MPE Home > Th. List > gsumunsnf | Structured version Visualization version GIF version | ||
| Description: Append an element to a finite group sum, using bound-variable hypotheses instead of distinct variable conditions. (Contributed by Mario Carneiro, 19-Dec-2014.) (Revised by Thierry Arnoux, 28-Mar-2018.) (Proof shortened by AV, 11-Dec-2019.) |
| Ref | Expression |
|---|---|
| gsumunsnf.0 | ⊢ Ⅎ𝑘𝑌 |
| gsumunsnf.b | ⊢ 𝐵 = (Base‘𝐺) |
| gsumunsnf.p | ⊢ + = (+g‘𝐺) |
| gsumunsnf.g | ⊢ (𝜑 → 𝐺 ∈ CMnd) |
| gsumunsnf.a | ⊢ (𝜑 → 𝐴 ∈ Fin) |
| gsumunsnf.f | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝑋 ∈ 𝐵) |
| gsumunsnf.m | ⊢ (𝜑 → 𝑀 ∈ 𝑉) |
| gsumunsnf.d | ⊢ (𝜑 → ¬ 𝑀 ∈ 𝐴) |
| gsumunsnf.y | ⊢ (𝜑 → 𝑌 ∈ 𝐵) |
| gsumunsnf.s | ⊢ (𝑘 = 𝑀 → 𝑋 = 𝑌) |
| Ref | Expression |
|---|---|
| gsumunsnf | ⊢ (𝜑 → (𝐺 Σg (𝑘 ∈ (𝐴 ∪ {𝑀}) ↦ 𝑋)) = ((𝐺 Σg (𝑘 ∈ 𝐴 ↦ 𝑋)) + 𝑌)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | gsumunsnf.b | . 2 ⊢ 𝐵 = (Base‘𝐺) | |
| 2 | gsumunsnf.p | . 2 ⊢ + = (+g‘𝐺) | |
| 3 | gsumunsnf.g | . 2 ⊢ (𝜑 → 𝐺 ∈ CMnd) | |
| 4 | gsumunsnf.a | . 2 ⊢ (𝜑 → 𝐴 ∈ Fin) | |
| 5 | gsumunsnf.f | . 2 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝑋 ∈ 𝐵) | |
| 6 | gsumunsnf.m | . 2 ⊢ (𝜑 → 𝑀 ∈ 𝑉) | |
| 7 | gsumunsnf.d | . 2 ⊢ (𝜑 → ¬ 𝑀 ∈ 𝐴) | |
| 8 | gsumunsnf.y | . 2 ⊢ (𝜑 → 𝑌 ∈ 𝐵) | |
| 9 | gsumunsnf.s | . . 3 ⊢ (𝑘 = 𝑀 → 𝑋 = 𝑌) | |
| 10 | 9 | adantl 486 | . 2 ⊢ ((𝜑 ∧ 𝑘 = 𝑀) → 𝑋 = 𝑌) |
| 11 | gsumunsnf.0 | . 2 ⊢ Ⅎ𝑘𝑌 | |
| 12 | 1, 2, 3, 4, 5, 6, 7, 8, 10, 11 | gsumunsnfd 20033 | 1 ⊢ (𝜑 → (𝐺 Σg (𝑘 ∈ (𝐴 ∪ {𝑀}) ↦ 𝑋)) = ((𝐺 Σg (𝑘 ∈ 𝐴 ↦ 𝑋)) + 𝑌)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 → wi 4 ∧ wa 400 = wceq 1569 ∈ wcel 2142 Ⅎwnfc 2909 ∪ cun 3902 {csn 4588 ↦ cmpt 5191 ‘cfv 6536 (class class class)co 7412 Fincfn 8941 Basecbs 17275 +gcplusg 17316 Σg cgsu 17499 CMndccmn 19856 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-rep 5237 ax-sep 5256 ax-nul 5268 ax-pow 5335 ax-pr 5403 ax-un 7734 ax-cnex 11162 ax-resscn 11163 ax-1cn 11164 ax-icn 11165 ax-addcl 11166 ax-addrcl 11167 ax-mulcl 11168 ax-mulrcl 11169 ax-mulcom 11170 ax-addass 11171 ax-mulass 11172 ax-distr 11173 ax-i2m1 11174 ax-1ne0 11175 ax-1rid 11176 ax-rnegex 11177 ax-rrecex 11178 ax-cnre 11179 ax-pre-lttri 11180 ax-pre-lttrn 11181 ax-pre-ltadd 11182 ax-pre-mulgt0 11183 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1103 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-nf 1813 df-sb 2096 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-rmo 3368 df-reu 3369 df-rab 3416 df-v 3456 df-sbc 3744 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4487 df-pw 4563 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-int 4912 df-iun 4957 df-iin 4958 df-br 5109 df-opab 5173 df-mpt 5192 df-tr 5218 df-id 5555 df-eprel 5560 df-po 5568 df-so 5569 df-fr 5613 df-se 5614 df-we 5615 df-xp 5666 df-rel 5667 df-cnv 5668 df-co 5669 df-dm 5670 df-rn 5671 df-res 5672 df-ima 5673 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-isom 6545 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-of 7676 df-om 7861 df-1st 7984 df-2nd 7985 df-supp 8155 df-frecs 8276 df-wrecs 8307 df-recs 8356 df-rdg 8395 df-1o 8451 df-2o 8452 df-er 8692 df-en 8942 df-dom 8943 df-sdom 8944 df-fin 8945 df-fsupp 9320 df-oi 9470 df-card 9932 df-pnf 11251 df-mnf 11252 df-xr 11253 df-ltxr 11254 df-le 11255 df-sub 11449 df-neg 11450 df-nn 12240 df-2 12309 df-n0 12511 df-z 12598 df-uz 12869 df-fz 13542 df-fzo 13690 df-seq 14045 df-hash 14374 df-sets 17230 df-slot 17248 df-ndx 17260 df-base 17276 df-ress 17297 df-plusg 17329 df-0g 17500 df-gsum 17501 df-mre 17644 df-mrc 17645 df-acs 17647 df-mgm 18704 df-sgrp 18783 df-mnd 18799 df-submnd 18848 df-mulg 19140 df-cntz 19393 df-cmn 19858 |
| This theorem is used by: gsumvsca1 33555 gsumvsca2 33556 |
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