| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > gsumval | Structured version Visualization version GIF version | ||
| Description: Expand out the substitutions in df-gsum 17483. (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 6885 | . . . 4 ⊢ 𝐵 ∈ V |
| 10 | 9 | a1i 11 | . . 3 ⊢ (𝜑 → 𝐵 ∈ V) |
| 11 | fex2 7921 | . . 3 ⊢ ((𝐹:𝐴⟶𝐵 ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ V) → 𝐹 ∈ V) | |
| 12 | 7, 8, 10, 11 | syl3anc 1394 | . 2 ⊢ (𝜑 → 𝐹 ∈ V) |
| 13 | 7 | fdmd 6706 | . 2 ⊢ (𝜑 → dom 𝐹 = 𝐴) |
| 14 | 1, 2, 3, 4, 5, 6, 12, 13 | gsumvalx 18722 | 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 400 = wceq 1563 ∃wex 1802 ∈ wcel 2145 ∀wral 3079 ∃wrex 3089 {crab 3417 Vcvv 3457 ∖ cdif 3904 ⊆ wss 3907 ifcif 4483 ◡ccnv 5650 ran crn 5652 “ cima 5654 ∘ ccom 5655 ℩cio 6479 ⟶wf 6521 –1-1-onto→wf1o 6524 ‘cfv 6525 (class class class)co 7400 1c1 11089 ℤ≥cuz 12850 ...cfz 13523 seqcseq 14025 ♯chash 14354 Basecbs 17257 +gcplusg 17298 0gc0g 17480 Σg cgsu 17481 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2737 ax-sep 5250 ax-nul 5260 ax-pow 5326 ax-pr 5394 ax-un 7722 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-nf 1807 df-sb 2094 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-ral 3080 df-rex 3090 df-rab 3418 df-v 3459 df-sbc 3748 df-csb 3856 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-nul 4289 df-if 4484 df-pw 4560 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4868 df-br 5105 df-opab 5167 df-mpt 5186 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6291 df-iota 6481 df-fun 6527 df-fn 6528 df-f 6529 df-f1 6530 df-fo 6531 df-f1o 6532 df-fv 6533 df-ov 7403 df-oprab 7404 df-mpo 7405 df-frecs 8266 df-wrecs 8297 df-recs 8346 df-rdg 8385 df-seq 14026 df-gsum 17483 |
| This theorem is referenced by: gsumress 18728 gsumval1 18729 gsumval2a 18731 gsumval3a 19961 |
| Copyright terms: Public domain | W3C validator |