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Mirrors > Home > MPE Home > Th. List > gsumcom3 | Structured version Visualization version GIF version |
Description: A commutative law for finitely supported iterated sums. (Contributed by Stefan O'Rear, 2-Nov-2015.) |
Ref | Expression |
---|---|
gsumcom3.b | ⊢ 𝐵 = (Base‘𝐺) |
gsumcom3.z | ⊢ 0 = (0g‘𝐺) |
gsumcom3.g | ⊢ (𝜑 → 𝐺 ∈ CMnd) |
gsumcom3.a | ⊢ (𝜑 → 𝐴 ∈ 𝑉) |
gsumcom3.r | ⊢ (𝜑 → 𝐶 ∈ 𝑊) |
gsumcom3.f | ⊢ ((𝜑 ∧ (𝑗 ∈ 𝐴 ∧ 𝑘 ∈ 𝐶)) → 𝑋 ∈ 𝐵) |
gsumcom3.u | ⊢ (𝜑 → 𝑈 ∈ Fin) |
gsumcom3.n | ⊢ ((𝜑 ∧ ((𝑗 ∈ 𝐴 ∧ 𝑘 ∈ 𝐶) ∧ ¬ 𝑗𝑈𝑘)) → 𝑋 = 0 ) |
Ref | Expression |
---|---|
gsumcom3 | ⊢ (𝜑 → (𝐺 Σg (𝑗 ∈ 𝐴 ↦ (𝐺 Σg (𝑘 ∈ 𝐶 ↦ 𝑋)))) = (𝐺 Σg (𝑘 ∈ 𝐶 ↦ (𝐺 Σg (𝑗 ∈ 𝐴 ↦ 𝑋))))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | gsumcom3.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
2 | gsumcom3.z | . . 3 ⊢ 0 = (0g‘𝐺) | |
3 | gsumcom3.g | . . 3 ⊢ (𝜑 → 𝐺 ∈ CMnd) | |
4 | gsumcom3.a | . . 3 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
5 | gsumcom3.r | . . 3 ⊢ (𝜑 → 𝐶 ∈ 𝑊) | |
6 | gsumcom3.f | . . 3 ⊢ ((𝜑 ∧ (𝑗 ∈ 𝐴 ∧ 𝑘 ∈ 𝐶)) → 𝑋 ∈ 𝐵) | |
7 | gsumcom3.u | . . 3 ⊢ (𝜑 → 𝑈 ∈ Fin) | |
8 | gsumcom3.n | . . 3 ⊢ ((𝜑 ∧ ((𝑗 ∈ 𝐴 ∧ 𝑘 ∈ 𝐶) ∧ ¬ 𝑗𝑈𝑘)) → 𝑋 = 0 ) | |
9 | 1, 2, 3, 4, 5, 6, 7, 8 | gsumcom 18199 | . 2 ⊢ (𝜑 → (𝐺 Σg (𝑗 ∈ 𝐴, 𝑘 ∈ 𝐶 ↦ 𝑋)) = (𝐺 Σg (𝑘 ∈ 𝐶, 𝑗 ∈ 𝐴 ↦ 𝑋))) |
10 | 5 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝐴) → 𝐶 ∈ 𝑊) |
11 | 1, 2, 3, 4, 10, 6, 7, 8 | gsum2d2 18196 | . 2 ⊢ (𝜑 → (𝐺 Σg (𝑗 ∈ 𝐴, 𝑘 ∈ 𝐶 ↦ 𝑋)) = (𝐺 Σg (𝑗 ∈ 𝐴 ↦ (𝐺 Σg (𝑘 ∈ 𝐶 ↦ 𝑋))))) |
12 | 4 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐶) → 𝐴 ∈ 𝑉) |
13 | 6 | ancom2s 840 | . . 3 ⊢ ((𝜑 ∧ (𝑘 ∈ 𝐶 ∧ 𝑗 ∈ 𝐴)) → 𝑋 ∈ 𝐵) |
14 | cnvfi 8131 | . . . 4 ⊢ (𝑈 ∈ Fin → ◡𝑈 ∈ Fin) | |
15 | 7, 14 | syl 17 | . . 3 ⊢ (𝜑 → ◡𝑈 ∈ Fin) |
16 | ancom 465 | . . . . 5 ⊢ ((𝑘 ∈ 𝐶 ∧ 𝑗 ∈ 𝐴) ↔ (𝑗 ∈ 𝐴 ∧ 𝑘 ∈ 𝐶)) | |
17 | vex 3176 | . . . . . . 7 ⊢ 𝑘 ∈ V | |
18 | vex 3176 | . . . . . . 7 ⊢ 𝑗 ∈ V | |
19 | 17, 18 | brcnv 5227 | . . . . . 6 ⊢ (𝑘◡𝑈𝑗 ↔ 𝑗𝑈𝑘) |
20 | 19 | notbii 309 | . . . . 5 ⊢ (¬ 𝑘◡𝑈𝑗 ↔ ¬ 𝑗𝑈𝑘) |
21 | 16, 20 | anbi12i 729 | . . . 4 ⊢ (((𝑘 ∈ 𝐶 ∧ 𝑗 ∈ 𝐴) ∧ ¬ 𝑘◡𝑈𝑗) ↔ ((𝑗 ∈ 𝐴 ∧ 𝑘 ∈ 𝐶) ∧ ¬ 𝑗𝑈𝑘)) |
22 | 21, 8 | sylan2b 491 | . . 3 ⊢ ((𝜑 ∧ ((𝑘 ∈ 𝐶 ∧ 𝑗 ∈ 𝐴) ∧ ¬ 𝑘◡𝑈𝑗)) → 𝑋 = 0 ) |
23 | 1, 2, 3, 5, 12, 13, 15, 22 | gsum2d2 18196 | . 2 ⊢ (𝜑 → (𝐺 Σg (𝑘 ∈ 𝐶, 𝑗 ∈ 𝐴 ↦ 𝑋)) = (𝐺 Σg (𝑘 ∈ 𝐶 ↦ (𝐺 Σg (𝑗 ∈ 𝐴 ↦ 𝑋))))) |
24 | 9, 11, 23 | 3eqtr3d 2652 | 1 ⊢ (𝜑 → (𝐺 Σg (𝑗 ∈ 𝐴 ↦ (𝐺 Σg (𝑘 ∈ 𝐶 ↦ 𝑋)))) = (𝐺 Σg (𝑘 ∈ 𝐶 ↦ (𝐺 Σg (𝑗 ∈ 𝐴 ↦ 𝑋))))) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ∧ wa 383 = wceq 1475 ∈ wcel 1977 class class class wbr 4583 ↦ cmpt 4643 ◡ccnv 5037 ‘cfv 5804 (class class class)co 6549 ↦ cmpt2 6551 Fincfn 7841 Basecbs 15695 0gc0g 15923 Σg cgsu 15924 CMndccmn 18016 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-rep 4699 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-inf2 8421 ax-cnex 9871 ax-resscn 9872 ax-1cn 9873 ax-icn 9874 ax-addcl 9875 ax-addrcl 9876 ax-mulcl 9877 ax-mulrcl 9878 ax-mulcom 9879 ax-addass 9880 ax-mulass 9881 ax-distr 9882 ax-i2m1 9883 ax-1ne0 9884 ax-1rid 9885 ax-rnegex 9886 ax-rrecex 9887 ax-cnre 9888 ax-pre-lttri 9889 ax-pre-lttrn 9890 ax-pre-ltadd 9891 ax-pre-mulgt0 9892 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-nel 2783 df-ral 2901 df-rex 2902 df-reu 2903 df-rmo 2904 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-pss 3556 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-tp 4130 df-op 4132 df-uni 4373 df-int 4411 df-iun 4457 df-iin 4458 df-br 4584 df-opab 4644 df-mpt 4645 df-tr 4681 df-eprel 4949 df-id 4953 df-po 4959 df-so 4960 df-fr 4997 df-se 4998 df-we 4999 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-pred 5597 df-ord 5643 df-on 5644 df-lim 5645 df-suc 5646 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-isom 5813 df-riota 6511 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-of 6795 df-om 6958 df-1st 7059 df-2nd 7060 df-supp 7183 df-wrecs 7294 df-recs 7355 df-rdg 7393 df-1o 7447 df-oadd 7451 df-er 7629 df-en 7842 df-dom 7843 df-sdom 7844 df-fin 7845 df-fsupp 8159 df-oi 8298 df-card 8648 df-pnf 9955 df-mnf 9956 df-xr 9957 df-ltxr 9958 df-le 9959 df-sub 10147 df-neg 10148 df-nn 10898 df-2 10956 df-n0 11170 df-z 11255 df-uz 11564 df-fz 12198 df-fzo 12335 df-seq 12664 df-hash 12980 df-ndx 15698 df-slot 15699 df-base 15700 df-sets 15701 df-ress 15702 df-plusg 15781 df-0g 15925 df-gsum 15926 df-mre 16069 df-mrc 16070 df-acs 16072 df-mgm 17065 df-sgrp 17107 df-mnd 17118 df-submnd 17159 df-mulg 17364 df-cntz 17573 df-cmn 18018 |
This theorem is referenced by: gsumcom3fi 20025 |
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