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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 481 | . 2 ⊢ ((𝜑 ∧ 𝑘 = 𝑀) → 𝑋 = 𝑌) |
| 11 | gsumunsnf.0 | . 2 ⊢ Ⅎ𝑘𝑌 | |
| 12 | 1, 2, 3, 4, 5, 6, 7, 8, 10, 11 | gsumunsnfd 19943 | 1 ⊢ (𝜑 → (𝐺 Σg (𝑘 ∈ (𝐴 ∪ {𝑀}) ↦ 𝑋)) = ((𝐺 Σg (𝑘 ∈ 𝐴 ↦ 𝑋)) + 𝑌)) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 395 = wceq 1539 ∈ wcel 2107 Ⅎwnfc 2882 ∪ cun 3929 {csn 4606 ↦ cmpt 5205 ‘cfv 6541 (class class class)co 7413 Fincfn 8967 Basecbs 17229 +gcplusg 17273 Σg cgsu 17456 CMndccmn 19766 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1794 ax-4 1808 ax-5 1909 ax-6 1966 ax-7 2006 ax-8 2109 ax-9 2117 ax-10 2140 ax-11 2156 ax-12 2176 ax-ext 2706 ax-rep 5259 ax-sep 5276 ax-nul 5286 ax-pow 5345 ax-pr 5412 ax-un 7737 ax-cnex 11193 ax-resscn 11194 ax-1cn 11195 ax-icn 11196 ax-addcl 11197 ax-addrcl 11198 ax-mulcl 11199 ax-mulrcl 11200 ax-mulcom 11201 ax-addass 11202 ax-mulass 11203 ax-distr 11204 ax-i2m1 11205 ax-1ne0 11206 ax-1rid 11207 ax-rnegex 11208 ax-rrecex 11209 ax-cnre 11210 ax-pre-lttri 11211 ax-pre-lttrn 11212 ax-pre-ltadd 11213 ax-pre-mulgt0 11214 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1779 df-nf 1783 df-sb 2064 df-mo 2538 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2808 df-nfc 2884 df-ne 2932 df-nel 3036 df-ral 3051 df-rex 3060 df-rmo 3363 df-reu 3364 df-rab 3420 df-v 3465 df-sbc 3771 df-csb 3880 df-dif 3934 df-un 3936 df-in 3938 df-ss 3948 df-pss 3951 df-nul 4314 df-if 4506 df-pw 4582 df-sn 4607 df-pr 4609 df-op 4613 df-uni 4888 df-int 4927 df-iun 4973 df-iin 4974 df-br 5124 df-opab 5186 df-mpt 5206 df-tr 5240 df-id 5558 df-eprel 5564 df-po 5572 df-so 5573 df-fr 5617 df-se 5618 df-we 5619 df-xp 5671 df-rel 5672 df-cnv 5673 df-co 5674 df-dm 5675 df-rn 5676 df-res 5677 df-ima 5678 df-pred 6301 df-ord 6366 df-on 6367 df-lim 6368 df-suc 6369 df-iota 6494 df-fun 6543 df-fn 6544 df-f 6545 df-f1 6546 df-fo 6547 df-f1o 6548 df-fv 6549 df-isom 6550 df-riota 7370 df-ov 7416 df-oprab 7417 df-mpo 7418 df-of 7679 df-om 7870 df-1st 7996 df-2nd 7997 df-supp 8168 df-frecs 8288 df-wrecs 8319 df-recs 8393 df-rdg 8432 df-1o 8488 df-2o 8489 df-er 8727 df-en 8968 df-dom 8969 df-sdom 8970 df-fin 8971 df-fsupp 9384 df-oi 9532 df-card 9961 df-pnf 11279 df-mnf 11280 df-xr 11281 df-ltxr 11282 df-le 11283 df-sub 11476 df-neg 11477 df-nn 12249 df-2 12311 df-n0 12510 df-z 12597 df-uz 12861 df-fz 13530 df-fzo 13677 df-seq 14025 df-hash 14352 df-sets 17183 df-slot 17201 df-ndx 17213 df-base 17230 df-ress 17253 df-plusg 17286 df-0g 17457 df-gsum 17458 df-mre 17600 df-mrc 17601 df-acs 17603 df-mgm 18622 df-sgrp 18701 df-mnd 18717 df-submnd 18766 df-mulg 19055 df-cntz 19304 df-cmn 19768 |
| This theorem is referenced by: gsumvsca1 33171 gsumvsca2 33172 |
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