Mathbox for Glauco Siliprandi |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > sumsnd | Structured version Visualization version GIF version |
Description: A sum of a singleton is the term. The deduction version of sumsn 15458. (Contributed by Glauco Siliprandi, 20-Apr-2017.) |
Ref | Expression |
---|---|
sumsnd.1 | ⊢ (𝜑 → Ⅎ𝑘𝐵) |
sumsnd.2 | ⊢ Ⅎ𝑘𝜑 |
sumsnd.3 | ⊢ ((𝜑 ∧ 𝑘 = 𝑀) → 𝐴 = 𝐵) |
sumsnd.4 | ⊢ (𝜑 → 𝑀 ∈ 𝑉) |
sumsnd.5 | ⊢ (𝜑 → 𝐵 ∈ ℂ) |
Ref | Expression |
---|---|
sumsnd | ⊢ (𝜑 → Σ𝑘 ∈ {𝑀}𝐴 = 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfcv 2907 | . . . 4 ⊢ Ⅎ𝑚𝐴 | |
2 | nfcsb1v 3857 | . . . 4 ⊢ Ⅎ𝑘⦋𝑚 / 𝑘⦌𝐴 | |
3 | csbeq1a 3846 | . . . 4 ⊢ (𝑘 = 𝑚 → 𝐴 = ⦋𝑚 / 𝑘⦌𝐴) | |
4 | 1, 2, 3 | cbvsumi 15409 | . . 3 ⊢ Σ𝑘 ∈ {𝑀}𝐴 = Σ𝑚 ∈ {𝑀}⦋𝑚 / 𝑘⦌𝐴 |
5 | csbeq1 3835 | . . . 4 ⊢ (𝑚 = ({〈1, 𝑀〉}‘𝑛) → ⦋𝑚 / 𝑘⦌𝐴 = ⦋({〈1, 𝑀〉}‘𝑛) / 𝑘⦌𝐴) | |
6 | 1nn 11984 | . . . . 5 ⊢ 1 ∈ ℕ | |
7 | 6 | a1i 11 | . . . 4 ⊢ (𝜑 → 1 ∈ ℕ) |
8 | sumsnd.4 | . . . . . 6 ⊢ (𝜑 → 𝑀 ∈ 𝑉) | |
9 | f1osng 6757 | . . . . . 6 ⊢ ((1 ∈ ℕ ∧ 𝑀 ∈ 𝑉) → {〈1, 𝑀〉}:{1}–1-1-onto→{𝑀}) | |
10 | 6, 8, 9 | sylancr 587 | . . . . 5 ⊢ (𝜑 → {〈1, 𝑀〉}:{1}–1-1-onto→{𝑀}) |
11 | 1z 12350 | . . . . . 6 ⊢ 1 ∈ ℤ | |
12 | fzsn 13298 | . . . . . 6 ⊢ (1 ∈ ℤ → (1...1) = {1}) | |
13 | f1oeq2 6705 | . . . . . 6 ⊢ ((1...1) = {1} → ({〈1, 𝑀〉}:(1...1)–1-1-onto→{𝑀} ↔ {〈1, 𝑀〉}:{1}–1-1-onto→{𝑀})) | |
14 | 11, 12, 13 | mp2b 10 | . . . . 5 ⊢ ({〈1, 𝑀〉}:(1...1)–1-1-onto→{𝑀} ↔ {〈1, 𝑀〉}:{1}–1-1-onto→{𝑀}) |
15 | 10, 14 | sylibr 233 | . . . 4 ⊢ (𝜑 → {〈1, 𝑀〉}:(1...1)–1-1-onto→{𝑀}) |
16 | elsni 4578 | . . . . . . 7 ⊢ (𝑚 ∈ {𝑀} → 𝑚 = 𝑀) | |
17 | 16 | adantl 482 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑚 ∈ {𝑀}) → 𝑚 = 𝑀) |
18 | 17 | csbeq1d 3836 | . . . . 5 ⊢ ((𝜑 ∧ 𝑚 ∈ {𝑀}) → ⦋𝑚 / 𝑘⦌𝐴 = ⦋𝑀 / 𝑘⦌𝐴) |
19 | sumsnd.2 | . . . . . . . 8 ⊢ Ⅎ𝑘𝜑 | |
20 | sumsnd.1 | . . . . . . . 8 ⊢ (𝜑 → Ⅎ𝑘𝐵) | |
21 | sumsnd.3 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 = 𝑀) → 𝐴 = 𝐵) | |
22 | 19, 20, 8, 21 | csbiedf 3863 | . . . . . . 7 ⊢ (𝜑 → ⦋𝑀 / 𝑘⦌𝐴 = 𝐵) |
23 | 22 | adantr 481 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑚 ∈ {𝑀}) → ⦋𝑀 / 𝑘⦌𝐴 = 𝐵) |
24 | sumsnd.5 | . . . . . . 7 ⊢ (𝜑 → 𝐵 ∈ ℂ) | |
25 | 24 | adantr 481 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑚 ∈ {𝑀}) → 𝐵 ∈ ℂ) |
26 | 23, 25 | eqeltrd 2839 | . . . . 5 ⊢ ((𝜑 ∧ 𝑚 ∈ {𝑀}) → ⦋𝑀 / 𝑘⦌𝐴 ∈ ℂ) |
27 | 18, 26 | eqeltrd 2839 | . . . 4 ⊢ ((𝜑 ∧ 𝑚 ∈ {𝑀}) → ⦋𝑚 / 𝑘⦌𝐴 ∈ ℂ) |
28 | 22 | adantr 481 | . . . . 5 ⊢ ((𝜑 ∧ 𝑛 ∈ (1...1)) → ⦋𝑀 / 𝑘⦌𝐴 = 𝐵) |
29 | elfz1eq 13267 | . . . . . . . 8 ⊢ (𝑛 ∈ (1...1) → 𝑛 = 1) | |
30 | 29 | fveq2d 6778 | . . . . . . 7 ⊢ (𝑛 ∈ (1...1) → ({〈1, 𝑀〉}‘𝑛) = ({〈1, 𝑀〉}‘1)) |
31 | fvsng 7052 | . . . . . . . 8 ⊢ ((1 ∈ ℕ ∧ 𝑀 ∈ 𝑉) → ({〈1, 𝑀〉}‘1) = 𝑀) | |
32 | 6, 8, 31 | sylancr 587 | . . . . . . 7 ⊢ (𝜑 → ({〈1, 𝑀〉}‘1) = 𝑀) |
33 | 30, 32 | sylan9eqr 2800 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑛 ∈ (1...1)) → ({〈1, 𝑀〉}‘𝑛) = 𝑀) |
34 | 33 | csbeq1d 3836 | . . . . 5 ⊢ ((𝜑 ∧ 𝑛 ∈ (1...1)) → ⦋({〈1, 𝑀〉}‘𝑛) / 𝑘⦌𝐴 = ⦋𝑀 / 𝑘⦌𝐴) |
35 | 29 | fveq2d 6778 | . . . . . 6 ⊢ (𝑛 ∈ (1...1) → ({〈1, 𝐵〉}‘𝑛) = ({〈1, 𝐵〉}‘1)) |
36 | fvsng 7052 | . . . . . . 7 ⊢ ((1 ∈ ℕ ∧ 𝐵 ∈ ℂ) → ({〈1, 𝐵〉}‘1) = 𝐵) | |
37 | 6, 24, 36 | sylancr 587 | . . . . . 6 ⊢ (𝜑 → ({〈1, 𝐵〉}‘1) = 𝐵) |
38 | 35, 37 | sylan9eqr 2800 | . . . . 5 ⊢ ((𝜑 ∧ 𝑛 ∈ (1...1)) → ({〈1, 𝐵〉}‘𝑛) = 𝐵) |
39 | 28, 34, 38 | 3eqtr4rd 2789 | . . . 4 ⊢ ((𝜑 ∧ 𝑛 ∈ (1...1)) → ({〈1, 𝐵〉}‘𝑛) = ⦋({〈1, 𝑀〉}‘𝑛) / 𝑘⦌𝐴) |
40 | 5, 7, 15, 27, 39 | fsum 15432 | . . 3 ⊢ (𝜑 → Σ𝑚 ∈ {𝑀}⦋𝑚 / 𝑘⦌𝐴 = (seq1( + , {〈1, 𝐵〉})‘1)) |
41 | 4, 40 | eqtrid 2790 | . 2 ⊢ (𝜑 → Σ𝑘 ∈ {𝑀}𝐴 = (seq1( + , {〈1, 𝐵〉})‘1)) |
42 | 11, 37 | seq1i 13735 | . 2 ⊢ (𝜑 → (seq1( + , {〈1, 𝐵〉})‘1) = 𝐵) |
43 | 41, 42 | eqtrd 2778 | 1 ⊢ (𝜑 → Σ𝑘 ∈ {𝑀}𝐴 = 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 396 = wceq 1539 Ⅎwnf 1786 ∈ wcel 2106 Ⅎwnfc 2887 ⦋csb 3832 {csn 4561 〈cop 4567 –1-1-onto→wf1o 6432 ‘cfv 6433 (class class class)co 7275 ℂcc 10869 1c1 10872 + caddc 10874 ℕcn 11973 ℤcz 12319 ...cfz 13239 seqcseq 13721 Σcsu 15397 |
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-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 |
This theorem is referenced by: sumpair 42578 dvnmul 43484 sge0sn 43917 hoidmvlelem3 44135 |
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