Mathbox for Glauco Siliprandi |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > Mathboxes > sge0splitmpt | Structured version Visualization version GIF version |
Description: Split a sum of nonnegative extended reals into two parts. (Contributed by Glauco Siliprandi, 17-Aug-2020.) |
Ref | Expression |
---|---|
sge0splitmpt.xph | ⊢ Ⅎ𝑥𝜑 |
sge0splitmpt.a | ⊢ (𝜑 → 𝐴 ∈ 𝑉) |
sge0splitmpt.b | ⊢ (𝜑 → 𝐵 ∈ 𝑊) |
sge0splitmpt.in | ⊢ (𝜑 → (𝐴 ∩ 𝐵) = ∅) |
sge0splitmpt.ac | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐶 ∈ (0[,]+∞)) |
sge0splitmpt.bc | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → 𝐶 ∈ (0[,]+∞)) |
Ref | Expression |
---|---|
sge0splitmpt | ⊢ (𝜑 → (Σ^‘(𝑥 ∈ (𝐴 ∪ 𝐵) ↦ 𝐶)) = ((Σ^‘(𝑥 ∈ 𝐴 ↦ 𝐶)) +𝑒 (Σ^‘(𝑥 ∈ 𝐵 ↦ 𝐶)))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sge0splitmpt.a | . . 3 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
2 | sge0splitmpt.b | . . 3 ⊢ (𝜑 → 𝐵 ∈ 𝑊) | |
3 | eqid 2738 | . . 3 ⊢ (𝐴 ∪ 𝐵) = (𝐴 ∪ 𝐵) | |
4 | sge0splitmpt.in | . . 3 ⊢ (𝜑 → (𝐴 ∩ 𝐵) = ∅) | |
5 | sge0splitmpt.xph | . . . 4 ⊢ Ⅎ𝑥𝜑 | |
6 | sge0splitmpt.ac | . . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐶 ∈ (0[,]+∞)) | |
7 | 6 | adantlr 712 | . . . . 5 ⊢ (((𝜑 ∧ 𝑥 ∈ (𝐴 ∪ 𝐵)) ∧ 𝑥 ∈ 𝐴) → 𝐶 ∈ (0[,]+∞)) |
8 | simpll 764 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ (𝐴 ∪ 𝐵)) ∧ ¬ 𝑥 ∈ 𝐴) → 𝜑) | |
9 | elunnel1 4084 | . . . . . . 7 ⊢ ((𝑥 ∈ (𝐴 ∪ 𝐵) ∧ ¬ 𝑥 ∈ 𝐴) → 𝑥 ∈ 𝐵) | |
10 | 9 | adantll 711 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ (𝐴 ∪ 𝐵)) ∧ ¬ 𝑥 ∈ 𝐴) → 𝑥 ∈ 𝐵) |
11 | sge0splitmpt.bc | . . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → 𝐶 ∈ (0[,]+∞)) | |
12 | 8, 10, 11 | syl2anc 584 | . . . . 5 ⊢ (((𝜑 ∧ 𝑥 ∈ (𝐴 ∪ 𝐵)) ∧ ¬ 𝑥 ∈ 𝐴) → 𝐶 ∈ (0[,]+∞)) |
13 | 7, 12 | pm2.61dan 810 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝐴 ∪ 𝐵)) → 𝐶 ∈ (0[,]+∞)) |
14 | eqid 2738 | . . . 4 ⊢ (𝑥 ∈ (𝐴 ∪ 𝐵) ↦ 𝐶) = (𝑥 ∈ (𝐴 ∪ 𝐵) ↦ 𝐶) | |
15 | 5, 13, 14 | fmptdf 6991 | . . 3 ⊢ (𝜑 → (𝑥 ∈ (𝐴 ∪ 𝐵) ↦ 𝐶):(𝐴 ∪ 𝐵)⟶(0[,]+∞)) |
16 | 1, 2, 3, 4, 15 | sge0split 43947 | . 2 ⊢ (𝜑 → (Σ^‘(𝑥 ∈ (𝐴 ∪ 𝐵) ↦ 𝐶)) = ((Σ^‘((𝑥 ∈ (𝐴 ∪ 𝐵) ↦ 𝐶) ↾ 𝐴)) +𝑒 (Σ^‘((𝑥 ∈ (𝐴 ∪ 𝐵) ↦ 𝐶) ↾ 𝐵)))) |
17 | ssun1 4106 | . . . . . 6 ⊢ 𝐴 ⊆ (𝐴 ∪ 𝐵) | |
18 | 17 | resmpti 42714 | . . . . 5 ⊢ ((𝑥 ∈ (𝐴 ∪ 𝐵) ↦ 𝐶) ↾ 𝐴) = (𝑥 ∈ 𝐴 ↦ 𝐶) |
19 | 18 | fveq2i 6777 | . . . 4 ⊢ (Σ^‘((𝑥 ∈ (𝐴 ∪ 𝐵) ↦ 𝐶) ↾ 𝐴)) = (Σ^‘(𝑥 ∈ 𝐴 ↦ 𝐶)) |
20 | ssun2 4107 | . . . . . 6 ⊢ 𝐵 ⊆ (𝐴 ∪ 𝐵) | |
21 | 20 | resmpti 42714 | . . . . 5 ⊢ ((𝑥 ∈ (𝐴 ∪ 𝐵) ↦ 𝐶) ↾ 𝐵) = (𝑥 ∈ 𝐵 ↦ 𝐶) |
22 | 21 | fveq2i 6777 | . . . 4 ⊢ (Σ^‘((𝑥 ∈ (𝐴 ∪ 𝐵) ↦ 𝐶) ↾ 𝐵)) = (Σ^‘(𝑥 ∈ 𝐵 ↦ 𝐶)) |
23 | 19, 22 | oveq12i 7287 | . . 3 ⊢ ((Σ^‘((𝑥 ∈ (𝐴 ∪ 𝐵) ↦ 𝐶) ↾ 𝐴)) +𝑒 (Σ^‘((𝑥 ∈ (𝐴 ∪ 𝐵) ↦ 𝐶) ↾ 𝐵))) = ((Σ^‘(𝑥 ∈ 𝐴 ↦ 𝐶)) +𝑒 (Σ^‘(𝑥 ∈ 𝐵 ↦ 𝐶))) |
24 | 23 | a1i 11 | . 2 ⊢ (𝜑 → ((Σ^‘((𝑥 ∈ (𝐴 ∪ 𝐵) ↦ 𝐶) ↾ 𝐴)) +𝑒 (Σ^‘((𝑥 ∈ (𝐴 ∪ 𝐵) ↦ 𝐶) ↾ 𝐵))) = ((Σ^‘(𝑥 ∈ 𝐴 ↦ 𝐶)) +𝑒 (Σ^‘(𝑥 ∈ 𝐵 ↦ 𝐶)))) |
25 | 16, 24 | eqtrd 2778 | 1 ⊢ (𝜑 → (Σ^‘(𝑥 ∈ (𝐴 ∪ 𝐵) ↦ 𝐶)) = ((Σ^‘(𝑥 ∈ 𝐴 ↦ 𝐶)) +𝑒 (Σ^‘(𝑥 ∈ 𝐵 ↦ 𝐶)))) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ∧ wa 396 = wceq 1539 Ⅎwnf 1786 ∈ wcel 2106 ∪ cun 3885 ∩ cin 3886 ∅c0 4256 ↦ cmpt 5157 ↾ cres 5591 ‘cfv 6433 (class class class)co 7275 0cc0 10871 +∞cpnf 11006 +𝑒 cxad 12846 [,]cicc 13082 Σ^csumge0 43900 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-inf2 9399 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 ax-pre-sup 10949 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-rmo 3071 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-int 4880 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-se 5545 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-isom 6442 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-om 7713 df-1st 7831 df-2nd 7832 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-1o 8297 df-er 8498 df-en 8734 df-dom 8735 df-sdom 8736 df-fin 8737 df-sup 9201 df-oi 9269 df-card 9697 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-div 11633 df-nn 11974 df-2 12036 df-3 12037 df-n0 12234 df-z 12320 df-uz 12583 df-rp 12731 df-xadd 12849 df-ico 13085 df-icc 13086 df-fz 13240 df-fzo 13383 df-seq 13722 df-exp 13783 df-hash 14045 df-cj 14810 df-re 14811 df-im 14812 df-sqrt 14946 df-abs 14947 df-clim 15197 df-sum 15398 df-sumge0 43901 |
This theorem is referenced by: sge0ss 43950 sge0iunmptlemfi 43951 sge0p1 43952 sge0splitsn 43979 ismeannd 44005 isomenndlem 44068 hoidmvlelem2 44134 |
Copyright terms: Public domain | W3C validator |