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| Mirrors > Home > MPE Home > Th. List > gsumval | Structured version Visualization version GIF version | ||
| Description: Expand out the substitutions in df-gsum 17362. (Contributed by Mario Carneiro, 7-Dec-2014.) |
| Ref | Expression |
|---|---|
| gsumval.b | ⊢ 𝐵 = (Base‘𝐺) |
| gsumval.z | ⊢ 0 = (0g‘𝐺) |
| gsumval.p | ⊢ + = (+g‘𝐺) |
| gsumval.o | ⊢ 𝑂 = {𝑠 ∈ 𝐵 ∣ ∀𝑡 ∈ 𝐵 ((𝑠 + 𝑡) = 𝑡 ∧ (𝑡 + 𝑠) = 𝑡)} |
| gsumval.w | ⊢ (𝜑 → 𝑊 = (◡𝐹 “ (V ∖ 𝑂))) |
| gsumval.g | ⊢ (𝜑 → 𝐺 ∈ 𝑉) |
| gsumval.a | ⊢ (𝜑 → 𝐴 ∈ 𝑋) |
| gsumval.f | ⊢ (𝜑 → 𝐹:𝐴⟶𝐵) |
| Ref | Expression |
|---|---|
| gsumval | ⊢ (𝜑 → (𝐺 Σg 𝐹) = if(ran 𝐹 ⊆ 𝑂, 0 , if(𝐴 ∈ ran ..., (℩𝑥∃𝑚∃𝑛 ∈ (ℤ≥‘𝑚)(𝐴 = (𝑚...𝑛) ∧ 𝑥 = (seq𝑚( + , 𝐹)‘𝑛))), (℩𝑥∃𝑓(𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊 ∧ 𝑥 = (seq1( + , (𝐹 ∘ 𝑓))‘(♯‘𝑊))))))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | gsumval.b | . 2 ⊢ 𝐵 = (Base‘𝐺) | |
| 2 | gsumval.z | . 2 ⊢ 0 = (0g‘𝐺) | |
| 3 | gsumval.p | . 2 ⊢ + = (+g‘𝐺) | |
| 4 | gsumval.o | . 2 ⊢ 𝑂 = {𝑠 ∈ 𝐵 ∣ ∀𝑡 ∈ 𝐵 ((𝑠 + 𝑡) = 𝑡 ∧ (𝑡 + 𝑠) = 𝑡)} | |
| 5 | gsumval.w | . 2 ⊢ (𝜑 → 𝑊 = (◡𝐹 “ (V ∖ 𝑂))) | |
| 6 | gsumval.g | . 2 ⊢ (𝜑 → 𝐺 ∈ 𝑉) | |
| 7 | gsumval.f | . . 3 ⊢ (𝜑 → 𝐹:𝐴⟶𝐵) | |
| 8 | gsumval.a | . . 3 ⊢ (𝜑 → 𝐴 ∈ 𝑋) | |
| 9 | 1 | fvexi 6848 | . . . 4 ⊢ 𝐵 ∈ V |
| 10 | 9 | a1i 11 | . . 3 ⊢ (𝜑 → 𝐵 ∈ V) |
| 11 | fex2 7878 | . . 3 ⊢ ((𝐹:𝐴⟶𝐵 ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ V) → 𝐹 ∈ V) | |
| 12 | 7, 8, 10, 11 | syl3anc 1373 | . 2 ⊢ (𝜑 → 𝐹 ∈ V) |
| 13 | 7 | fdmd 6672 | . 2 ⊢ (𝜑 → dom 𝐹 = 𝐴) |
| 14 | 1, 2, 3, 4, 5, 6, 12, 13 | gsumvalx 18601 | 1 ⊢ (𝜑 → (𝐺 Σg 𝐹) = if(ran 𝐹 ⊆ 𝑂, 0 , if(𝐴 ∈ ran ..., (℩𝑥∃𝑚∃𝑛 ∈ (ℤ≥‘𝑚)(𝐴 = (𝑚...𝑛) ∧ 𝑥 = (seq𝑚( + , 𝐹)‘𝑛))), (℩𝑥∃𝑓(𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊 ∧ 𝑥 = (seq1( + , (𝐹 ∘ 𝑓))‘(♯‘𝑊))))))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1541 ∃wex 1780 ∈ wcel 2113 ∀wral 3051 ∃wrex 3060 {crab 3399 Vcvv 3440 ∖ cdif 3898 ⊆ wss 3901 ifcif 4479 ◡ccnv 5623 ran crn 5625 “ cima 5627 ∘ ccom 5628 ℩cio 6446 ⟶wf 6488 –1-1-onto→wf1o 6491 ‘cfv 6492 (class class class)co 7358 1c1 11027 ℤ≥cuz 12751 ...cfz 13423 seqcseq 13924 ♯chash 14253 Basecbs 17136 +gcplusg 17177 0gc0g 17359 Σg cgsu 17360 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-ral 3052 df-rex 3061 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-br 5099 df-opab 5161 df-mpt 5180 df-id 5519 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-ov 7361 df-oprab 7362 df-mpo 7363 df-frecs 8223 df-wrecs 8254 df-recs 8303 df-rdg 8341 df-seq 13925 df-gsum 17362 |
| This theorem is referenced by: gsumress 18607 gsumval1 18608 gsumval2a 18610 gsumval3a 19832 |
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