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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 17606. (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 6897 | . . . 4 ⊢ 𝐵 ∈ V |
| 10 | 9 | a1i 11 | . . 3 ⊢ (𝜑 → 𝐵 ∈ V) |
| 11 | fex2 7946 | . . 3 ⊢ ((𝐹:𝐴⟶𝐵 ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ V) → 𝐹 ∈ V) | |
| 12 | 7, 8, 10, 11 | syl3anc 1398 | . 2 ⊢ (𝜑 → 𝐹 ∈ V) |
| 13 | 7 | fdmd 6718 | . 2 ⊢ (𝜑 → dom 𝐹 = 𝐴) |
| 14 | 1, 2, 3, 4, 5, 6, 12, 13 | gsumvalx 18858 | 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 |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∃wex 1812 ∈ wcel 2145 ∀wral 3077 ∃wrex 3087 {crab 3413 Vcvv 3451 ∖ cdif 3896 ⊆ wss 3899 ifcif 4482 ◡ccnv 5650 ran crn 5652 “ cima 5654 ∘ ccom 5655 ℩cio 6491 ⟶wf 6533 –1-1-onto→wf1o 6536 ‘cfv 6537 (class class class)co 7418 1c1 11194 ℤ≥cuz 12958 ...cfz 13632 seqcseq 14137 ♯chash 14467 Basecbs 17380 +gcplusg 17421 0gc0g 17603 Σg cgsu 17604 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7749 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3078 df-rex 3088 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 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 6303 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-ov 7421 df-oprab 7422 df-mpo 7423 df-frecs 8292 df-wrecs 8323 df-recs 8372 df-rdg 8411 df-seq 14138 df-gsum 17606 |
| This theorem is used by: gsumress 18864 gsumval1 18865 gsumval2a 18867 gsumval3a 20110 |
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