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Mathbox for Thierry Arnoux |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > esumpr2 | Structured version Visualization version GIF version |
Description: Extended sum over a pair, with a relaxed condition compared to esumpr 32665. (Contributed by Thierry Arnoux, 2-Jan-2017.) |
Ref | Expression |
---|---|
esumpr.1 | ⊢ ((𝜑 ∧ 𝑘 = 𝐴) → 𝐶 = 𝐷) |
esumpr.2 | ⊢ ((𝜑 ∧ 𝑘 = 𝐵) → 𝐶 = 𝐸) |
esumpr.3 | ⊢ (𝜑 → 𝐴 ∈ 𝑉) |
esumpr.4 | ⊢ (𝜑 → 𝐵 ∈ 𝑊) |
esumpr.5 | ⊢ (𝜑 → 𝐷 ∈ (0[,]+∞)) |
esumpr.6 | ⊢ (𝜑 → 𝐸 ∈ (0[,]+∞)) |
esumpr2.1 | ⊢ (𝜑 → (𝐴 = 𝐵 → (𝐷 = 0 ∨ 𝐷 = +∞))) |
Ref | Expression |
---|---|
esumpr2 | ⊢ (𝜑 → Σ*𝑘 ∈ {𝐴, 𝐵}𝐶 = (𝐷 +𝑒 𝐸)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpr 485 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → 𝐴 = 𝐵) | |
2 | dfsn2 4599 | . . . . . 6 ⊢ {𝐴} = {𝐴, 𝐴} | |
3 | preq2 4695 | . . . . . 6 ⊢ (𝐴 = 𝐵 → {𝐴, 𝐴} = {𝐴, 𝐵}) | |
4 | 2, 3 | eqtr2id 2789 | . . . . 5 ⊢ (𝐴 = 𝐵 → {𝐴, 𝐵} = {𝐴}) |
5 | esumeq1 32633 | . . . . 5 ⊢ ({𝐴, 𝐵} = {𝐴} → Σ*𝑘 ∈ {𝐴, 𝐵}𝐶 = Σ*𝑘 ∈ {𝐴}𝐶) | |
6 | 1, 4, 5 | 3syl 18 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → Σ*𝑘 ∈ {𝐴, 𝐵}𝐶 = Σ*𝑘 ∈ {𝐴}𝐶) |
7 | esumpr.1 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 = 𝐴) → 𝐶 = 𝐷) | |
8 | esumpr.3 | . . . . . 6 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
9 | esumpr.5 | . . . . . 6 ⊢ (𝜑 → 𝐷 ∈ (0[,]+∞)) | |
10 | 7, 8, 9 | esumsn 32664 | . . . . 5 ⊢ (𝜑 → Σ*𝑘 ∈ {𝐴}𝐶 = 𝐷) |
11 | 10 | adantr 481 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → Σ*𝑘 ∈ {𝐴}𝐶 = 𝐷) |
12 | 6, 11 | eqtrd 2776 | . . 3 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → Σ*𝑘 ∈ {𝐴, 𝐵}𝐶 = 𝐷) |
13 | esumpr2.1 | . . . . 5 ⊢ (𝜑 → (𝐴 = 𝐵 → (𝐷 = 0 ∨ 𝐷 = +∞))) | |
14 | oveq2 7365 | . . . . . . 7 ⊢ (𝐷 = 0 → (𝐷 +𝑒 𝐷) = (𝐷 +𝑒 0)) | |
15 | 0xr 11202 | . . . . . . . . 9 ⊢ 0 ∈ ℝ* | |
16 | eleq1 2825 | . . . . . . . . 9 ⊢ (𝐷 = 0 → (𝐷 ∈ ℝ* ↔ 0 ∈ ℝ*)) | |
17 | 15, 16 | mpbiri 257 | . . . . . . . 8 ⊢ (𝐷 = 0 → 𝐷 ∈ ℝ*) |
18 | xaddid1 13160 | . . . . . . . 8 ⊢ (𝐷 ∈ ℝ* → (𝐷 +𝑒 0) = 𝐷) | |
19 | 17, 18 | syl 17 | . . . . . . 7 ⊢ (𝐷 = 0 → (𝐷 +𝑒 0) = 𝐷) |
20 | 14, 19 | eqtrd 2776 | . . . . . 6 ⊢ (𝐷 = 0 → (𝐷 +𝑒 𝐷) = 𝐷) |
21 | pnfxr 11209 | . . . . . . . . 9 ⊢ +∞ ∈ ℝ* | |
22 | eleq1 2825 | . . . . . . . . 9 ⊢ (𝐷 = +∞ → (𝐷 ∈ ℝ* ↔ +∞ ∈ ℝ*)) | |
23 | 21, 22 | mpbiri 257 | . . . . . . . 8 ⊢ (𝐷 = +∞ → 𝐷 ∈ ℝ*) |
24 | pnfnemnf 11210 | . . . . . . . . 9 ⊢ +∞ ≠ -∞ | |
25 | neeq1 3006 | . . . . . . . . 9 ⊢ (𝐷 = +∞ → (𝐷 ≠ -∞ ↔ +∞ ≠ -∞)) | |
26 | 24, 25 | mpbiri 257 | . . . . . . . 8 ⊢ (𝐷 = +∞ → 𝐷 ≠ -∞) |
27 | xaddpnf1 13145 | . . . . . . . 8 ⊢ ((𝐷 ∈ ℝ* ∧ 𝐷 ≠ -∞) → (𝐷 +𝑒 +∞) = +∞) | |
28 | 23, 26, 27 | syl2anc 584 | . . . . . . 7 ⊢ (𝐷 = +∞ → (𝐷 +𝑒 +∞) = +∞) |
29 | oveq2 7365 | . . . . . . 7 ⊢ (𝐷 = +∞ → (𝐷 +𝑒 𝐷) = (𝐷 +𝑒 +∞)) | |
30 | id 22 | . . . . . . 7 ⊢ (𝐷 = +∞ → 𝐷 = +∞) | |
31 | 28, 29, 30 | 3eqtr4d 2786 | . . . . . 6 ⊢ (𝐷 = +∞ → (𝐷 +𝑒 𝐷) = 𝐷) |
32 | 20, 31 | jaoi 855 | . . . . 5 ⊢ ((𝐷 = 0 ∨ 𝐷 = +∞) → (𝐷 +𝑒 𝐷) = 𝐷) |
33 | 13, 32 | syl6 35 | . . . 4 ⊢ (𝜑 → (𝐴 = 𝐵 → (𝐷 +𝑒 𝐷) = 𝐷)) |
34 | 33 | imp 407 | . . 3 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝐷 +𝑒 𝐷) = 𝐷) |
35 | simpll 765 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝐴 = 𝐵) ∧ 𝑘 = 𝐵) → 𝜑) | |
36 | eqeq2 2748 | . . . . . . . . . 10 ⊢ (𝐴 = 𝐵 → (𝑘 = 𝐴 ↔ 𝑘 = 𝐵)) | |
37 | 36 | biimprd 247 | . . . . . . . . 9 ⊢ (𝐴 = 𝐵 → (𝑘 = 𝐵 → 𝑘 = 𝐴)) |
38 | 1, 37 | syl 17 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝑘 = 𝐵 → 𝑘 = 𝐴)) |
39 | 38 | imp 407 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝐴 = 𝐵) ∧ 𝑘 = 𝐵) → 𝑘 = 𝐴) |
40 | 35, 39, 7 | syl2anc 584 | . . . . . 6 ⊢ (((𝜑 ∧ 𝐴 = 𝐵) ∧ 𝑘 = 𝐵) → 𝐶 = 𝐷) |
41 | esumpr.4 | . . . . . . 7 ⊢ (𝜑 → 𝐵 ∈ 𝑊) | |
42 | 41 | adantr 481 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → 𝐵 ∈ 𝑊) |
43 | 9 | adantr 481 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → 𝐷 ∈ (0[,]+∞)) |
44 | 40, 42, 43 | esumsn 32664 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → Σ*𝑘 ∈ {𝐵}𝐶 = 𝐷) |
45 | esumpr.2 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 = 𝐵) → 𝐶 = 𝐸) | |
46 | esumpr.6 | . . . . . . 7 ⊢ (𝜑 → 𝐸 ∈ (0[,]+∞)) | |
47 | 45, 41, 46 | esumsn 32664 | . . . . . 6 ⊢ (𝜑 → Σ*𝑘 ∈ {𝐵}𝐶 = 𝐸) |
48 | 47 | adantr 481 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → Σ*𝑘 ∈ {𝐵}𝐶 = 𝐸) |
49 | 44, 48 | eqtr3d 2778 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → 𝐷 = 𝐸) |
50 | 49 | oveq2d 7373 | . . 3 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝐷 +𝑒 𝐷) = (𝐷 +𝑒 𝐸)) |
51 | 12, 34, 50 | 3eqtr2d 2782 | . 2 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → Σ*𝑘 ∈ {𝐴, 𝐵}𝐶 = (𝐷 +𝑒 𝐸)) |
52 | 7 | adantlr 713 | . . 3 ⊢ (((𝜑 ∧ 𝐴 ≠ 𝐵) ∧ 𝑘 = 𝐴) → 𝐶 = 𝐷) |
53 | 45 | adantlr 713 | . . 3 ⊢ (((𝜑 ∧ 𝐴 ≠ 𝐵) ∧ 𝑘 = 𝐵) → 𝐶 = 𝐸) |
54 | 8 | adantr 481 | . . 3 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → 𝐴 ∈ 𝑉) |
55 | 41 | adantr 481 | . . 3 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → 𝐵 ∈ 𝑊) |
56 | 9 | adantr 481 | . . 3 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → 𝐷 ∈ (0[,]+∞)) |
57 | 46 | adantr 481 | . . 3 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → 𝐸 ∈ (0[,]+∞)) |
58 | simpr 485 | . . 3 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → 𝐴 ≠ 𝐵) | |
59 | 52, 53, 54, 55, 56, 57, 58 | esumpr 32665 | . 2 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → Σ*𝑘 ∈ {𝐴, 𝐵}𝐶 = (𝐷 +𝑒 𝐸)) |
60 | 51, 59 | pm2.61dane 3032 | 1 ⊢ (𝜑 → Σ*𝑘 ∈ {𝐴, 𝐵}𝐶 = (𝐷 +𝑒 𝐸)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 ∨ wo 845 = wceq 1541 ∈ wcel 2106 ≠ wne 2943 {csn 4586 {cpr 4588 (class class class)co 7357 0cc0 11051 +∞cpnf 11186 -∞cmnf 11187 ℝ*cxr 11188 +𝑒 cxad 13031 [,]cicc 13267 Σ*cesum 32626 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 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 2707 ax-rep 5242 ax-sep 5256 ax-nul 5263 ax-pow 5320 ax-pr 5384 ax-un 7672 ax-inf2 9577 ax-cnex 11107 ax-resscn 11108 ax-1cn 11109 ax-icn 11110 ax-addcl 11111 ax-addrcl 11112 ax-mulcl 11113 ax-mulrcl 11114 ax-mulcom 11115 ax-addass 11116 ax-mulass 11117 ax-distr 11118 ax-i2m1 11119 ax-1ne0 11120 ax-1rid 11121 ax-rnegex 11122 ax-rrecex 11123 ax-cnre 11124 ax-pre-lttri 11125 ax-pre-lttrn 11126 ax-pre-ltadd 11127 ax-pre-mulgt0 11128 ax-pre-sup 11129 ax-addf 11130 ax-mulf 11131 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3065 df-rex 3074 df-rmo 3353 df-reu 3354 df-rab 3408 df-v 3447 df-sbc 3740 df-csb 3856 df-dif 3913 df-un 3915 df-in 3917 df-ss 3927 df-pss 3929 df-nul 4283 df-if 4487 df-pw 4562 df-sn 4587 df-pr 4589 df-tp 4591 df-op 4593 df-uni 4866 df-int 4908 df-iun 4956 df-iin 4957 df-br 5106 df-opab 5168 df-mpt 5189 df-tr 5223 df-id 5531 df-eprel 5537 df-po 5545 df-so 5546 df-fr 5588 df-se 5589 df-we 5590 df-xp 5639 df-rel 5640 df-cnv 5641 df-co 5642 df-dm 5643 df-rn 5644 df-res 5645 df-ima 5646 df-pred 6253 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6498 df-fn 6499 df-f 6500 df-f1 6501 df-fo 6502 df-f1o 6503 df-fv 6504 df-isom 6505 df-riota 7313 df-ov 7360 df-oprab 7361 df-mpo 7362 df-of 7617 df-om 7803 df-1st 7921 df-2nd 7922 df-supp 8093 df-frecs 8212 df-wrecs 8243 df-recs 8317 df-rdg 8356 df-1o 8412 df-2o 8413 df-er 8648 df-map 8767 df-pm 8768 df-ixp 8836 df-en 8884 df-dom 8885 df-sdom 8886 df-fin 8887 df-fsupp 9306 df-fi 9347 df-sup 9378 df-inf 9379 df-oi 9446 df-card 9875 df-pnf 11191 df-mnf 11192 df-xr 11193 df-ltxr 11194 df-le 11195 df-sub 11387 df-neg 11388 df-div 11813 df-nn 12154 df-2 12216 df-3 12217 df-4 12218 df-5 12219 df-6 12220 df-7 12221 df-8 12222 df-9 12223 df-n0 12414 df-z 12500 df-dec 12619 df-uz 12764 df-q 12874 df-rp 12916 df-xneg 13033 df-xadd 13034 df-xmul 13035 df-ioo 13268 df-ioc 13269 df-ico 13270 df-icc 13271 df-fz 13425 df-fzo 13568 df-fl 13697 df-mod 13775 df-seq 13907 df-exp 13968 df-fac 14174 df-bc 14203 df-hash 14231 df-shft 14952 df-cj 14984 df-re 14985 df-im 14986 df-sqrt 15120 df-abs 15121 df-limsup 15353 df-clim 15370 df-rlim 15371 df-sum 15571 df-ef 15950 df-sin 15952 df-cos 15953 df-pi 15955 df-struct 17019 df-sets 17036 df-slot 17054 df-ndx 17066 df-base 17084 df-ress 17113 df-plusg 17146 df-mulr 17147 df-starv 17148 df-sca 17149 df-vsca 17150 df-ip 17151 df-tset 17152 df-ple 17153 df-ds 17155 df-unif 17156 df-hom 17157 df-cco 17158 df-rest 17304 df-topn 17305 df-0g 17323 df-gsum 17324 df-topgen 17325 df-pt 17326 df-prds 17329 df-ordt 17383 df-xrs 17384 df-qtop 17389 df-imas 17390 df-xps 17392 df-mre 17466 df-mrc 17467 df-acs 17469 df-ps 18455 df-tsr 18456 df-plusf 18496 df-mgm 18497 df-sgrp 18546 df-mnd 18557 df-mhm 18601 df-submnd 18602 df-grp 18751 df-minusg 18752 df-sbg 18753 df-mulg 18873 df-subg 18925 df-cntz 19097 df-cmn 19564 df-abl 19565 df-mgp 19897 df-ur 19914 df-ring 19966 df-cring 19967 df-subrg 20220 df-abv 20276 df-lmod 20324 df-scaf 20325 df-sra 20633 df-rgmod 20634 df-psmet 20788 df-xmet 20789 df-met 20790 df-bl 20791 df-mopn 20792 df-fbas 20793 df-fg 20794 df-cnfld 20797 df-top 22243 df-topon 22260 df-topsp 22282 df-bases 22296 df-cld 22370 df-ntr 22371 df-cls 22372 df-nei 22449 df-lp 22487 df-perf 22488 df-cn 22578 df-cnp 22579 df-haus 22666 df-tx 22913 df-hmeo 23106 df-fil 23197 df-fm 23289 df-flim 23290 df-flf 23291 df-tmd 23423 df-tgp 23424 df-tsms 23478 df-trg 23511 df-xms 23673 df-ms 23674 df-tms 23675 df-nm 23938 df-ngp 23939 df-nrg 23941 df-nlm 23942 df-ii 24240 df-cncf 24241 df-limc 25230 df-dv 25231 df-log 25912 df-esum 32627 |
This theorem is referenced by: measxun2 32809 measssd 32814 carsgclctun 32921 |
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