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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 487 | . 2 ⊢ ((𝜑 ∧ 𝑘 = 𝑀) → 𝑋 = 𝑌) |
| 11 | gsumunsnf.0 | . 2 ⊢ Ⅎ𝑘𝑌 | |
| 12 | 1, 2, 3, 4, 5, 6, 7, 8, 10, 11 | gsumunsnfd 20198 | 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 401 = wceq 1570 ∈ wcel 2147 Ⅎwnfc 2911 ∪ cun 4152 {csn 4588 ↦ cmpt 5189 ‘cfv 6555 (class class class)co 7440 Fincfn 8998 Basecbs 17413 +gcplusg 17454 Σg cgsu 17637 CMndccmn 20021 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5235 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7772 ax-cnex 11280 ax-resscn 11281 ax-1cn 11282 ax-icn 11283 ax-addcl 11284 ax-addrcl 11285 ax-mulcl 11286 ax-mulrcl 11287 ax-mulcom 11288 ax-addass 11289 ax-mulass 11290 ax-distr 11291 ax-i2m1 11292 ax-1ne0 11293 ax-1rid 11294 ax-rnegex 11295 ax-rrecex 11296 ax-cnre 11297 ax-pre-lttri 11298 ax-pre-lttrn 11299 ax-pre-ltadd 11300 ax-pre-mulgt0 11301 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-int 4911 df-iun 4956 df-iin 4957 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-se 5609 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6319 df-ord 6380 df-on 6381 df-lim 6382 df-suc 6383 df-iota 6509 df-fun 6557 df-fn 6558 df-f 6559 df-f1 6560 df-fo 6561 df-f1o 6562 df-fv 6563 df-isom 6564 df-riota 7397 df-ov 7443 df-oprab 7444 df-mpo 7445 df-of 7714 df-om 7899 df-1st 8022 df-2nd 8023 df-supp 8202 df-frecs 8324 df-wrecs 8355 df-recs 8404 df-rdg 8443 df-1o 8501 df-2o 8502 df-er 8742 df-en 8999 df-dom 9000 df-sdom 9001 df-fin 9002 df-fsupp 9379 df-oi 9528 df-card 10044 df-pnf 11369 df-mnf 11370 df-xr 11371 df-ltxr 11372 df-le 11373 df-sub 11567 df-neg 11568 df-nn 12360 df-2 12429 df-n0 12631 df-z 12718 df-uz 12990 df-fz 13664 df-fzo 13813 df-seq 14169 df-hash 14499 df-sets 17368 df-slot 17386 df-ndx 17398 df-base 17414 df-ress 17435 df-plusg 17467 df-0g 17638 df-gsum 17639 df-mre 17782 df-mrc 17783 df-acs 17785 df-mgm 18842 df-sgrp 18934 df-mnd 18950 df-submnd 19005 df-mulg 19304 df-cntz 19558 df-cmn 20023 |
| This theorem is used by: gsumvsca1 33854 gsumvsca2 33855 |
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