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Mirrors > Home > MPE Home > Th. List > cbvsumi | Structured version Visualization version GIF version |
Description: Change bound variable in a sum. (Contributed by NM, 11-Dec-2005.) |
Ref | Expression |
---|---|
cbvsumi.1 | ⊢ Ⅎ𝑘𝐵 |
cbvsumi.2 | ⊢ Ⅎ𝑗𝐶 |
cbvsumi.3 | ⊢ (𝑗 = 𝑘 → 𝐵 = 𝐶) |
Ref | Expression |
---|---|
cbvsumi | ⊢ Σ𝑗 ∈ 𝐴 𝐵 = Σ𝑘 ∈ 𝐴 𝐶 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cbvsumi.3 | . 2 ⊢ (𝑗 = 𝑘 → 𝐵 = 𝐶) | |
2 | nfcv 2907 | . 2 ⊢ Ⅎ𝑘𝐴 | |
3 | nfcv 2907 | . 2 ⊢ Ⅎ𝑗𝐴 | |
4 | cbvsumi.1 | . 2 ⊢ Ⅎ𝑘𝐵 | |
5 | cbvsumi.2 | . 2 ⊢ Ⅎ𝑗𝐶 | |
6 | 1, 2, 3, 4, 5 | cbvsum 15407 | 1 ⊢ Σ𝑗 ∈ 𝐴 𝐵 = Σ𝑘 ∈ 𝐴 𝐶 |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1539 Ⅎwnfc 2887 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-11 2154 ax-12 2171 ax-ext 2709 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ral 3069 df-rex 3070 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-nul 4257 df-if 4460 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-br 5075 df-opab 5137 df-mpt 5158 df-xp 5595 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-iota 6391 df-fv 6441 df-ov 7278 df-oprab 7279 df-mpo 7280 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-seq 13722 df-sum 15398 |
This theorem is referenced by: sumfc 15421 sumss2 15438 fsumzcl2 15451 fsumsplitf 15454 sumsnf 15455 sumsns 15462 fsummsnunz 15466 fsumsplitsnun 15467 fsum2dlem 15482 fsumcom2 15486 fsumshftm 15493 fsumrlim 15523 fsumo1 15524 o1fsum 15525 fsumiun 15533 ovolfiniun 24665 ovoliun2 24670 volfiniun 24711 itgfsum 24991 elplyd 25363 coeeq2 25403 fsumdvdscom 26334 fsumdvdsmul 26344 fsumvma 26361 fsumshftd 36966 binomcxplemdvsum 41973 sumsnd 42569 fourierdlem115 43762 fsummsndifre 44824 fsumsplitsndif 44825 fsummmodsndifre 44826 fsummmodsnunz 44827 |
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