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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 17346. (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 6836 | . . . 4 ⊢ 𝐵 ∈ V |
| 10 | 9 | a1i 11 | . . 3 ⊢ (𝜑 → 𝐵 ∈ V) |
| 11 | fex2 7866 | . . 3 ⊢ ((𝐹:𝐴⟶𝐵 ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ V) → 𝐹 ∈ V) | |
| 12 | 7, 8, 10, 11 | syl3anc 1373 | . 2 ⊢ (𝜑 → 𝐹 ∈ V) |
| 13 | 7 | fdmd 6661 | . 2 ⊢ (𝜑 → dom 𝐹 = 𝐴) |
| 14 | 1, 2, 3, 4, 5, 6, 12, 13 | gsumvalx 18584 | 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 2111 ∀wral 3047 ∃wrex 3056 {crab 3395 Vcvv 3436 ∖ cdif 3899 ⊆ wss 3902 ifcif 4475 ◡ccnv 5615 ran crn 5617 “ cima 5619 ∘ ccom 5620 ℩cio 6435 ⟶wf 6477 –1-1-onto→wf1o 6480 ‘cfv 6481 (class class class)co 7346 1c1 11007 ℤ≥cuz 12732 ...cfz 13407 seqcseq 13908 ♯chash 14237 Basecbs 17120 +gcplusg 17161 0gc0g 17343 Σg cgsu 17344 |
| 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 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-sep 5234 ax-nul 5244 ax-pow 5303 ax-pr 5370 ax-un 7668 |
| 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 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-ral 3048 df-rex 3057 df-rab 3396 df-v 3438 df-sbc 3742 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4284 df-if 4476 df-pw 4552 df-sn 4577 df-pr 4579 df-op 4583 df-uni 4860 df-br 5092 df-opab 5154 df-mpt 5173 df-id 5511 df-xp 5622 df-rel 5623 df-cnv 5624 df-co 5625 df-dm 5626 df-rn 5627 df-res 5628 df-ima 5629 df-pred 6248 df-iota 6437 df-fun 6483 df-fn 6484 df-f 6485 df-f1 6486 df-fo 6487 df-f1o 6488 df-fv 6489 df-ov 7349 df-oprab 7350 df-mpo 7351 df-frecs 8211 df-wrecs 8242 df-recs 8291 df-rdg 8329 df-seq 13909 df-gsum 17346 |
| This theorem is referenced by: gsumress 18590 gsumval1 18591 gsumval2a 18593 gsumval3a 19816 |
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