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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 2908 | . 2 ⊢ Ⅎ𝑘𝐴 | |
3 | nfcv 2908 | . 2 ⊢ Ⅎ𝑗𝐴 | |
4 | cbvsumi.1 | . 2 ⊢ Ⅎ𝑘𝐵 | |
5 | cbvsumi.2 | . 2 ⊢ Ⅎ𝑗𝐶 | |
6 | 1, 2, 3, 4, 5 | cbvsum 15388 | 1 ⊢ Σ𝑗 ∈ 𝐴 𝐵 = Σ𝑘 ∈ 𝐴 𝐶 |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1541 Ⅎwnfc 2888 Σcsu 15378 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1801 ax-4 1815 ax-5 1916 ax-6 1974 ax-7 2014 ax-8 2111 ax-9 2119 ax-11 2157 ax-12 2174 ax-ext 2710 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3an 1087 df-tru 1544 df-fal 1554 df-ex 1786 df-nf 1790 df-sb 2071 df-clab 2717 df-cleq 2731 df-clel 2817 df-nfc 2890 df-ral 3070 df-rex 3071 df-rab 3074 df-v 3432 df-sbc 3720 df-csb 3837 df-dif 3894 df-un 3896 df-in 3898 df-ss 3908 df-nul 4262 df-if 4465 df-sn 4567 df-pr 4569 df-op 4573 df-uni 4845 df-br 5079 df-opab 5141 df-mpt 5162 df-xp 5594 df-cnv 5596 df-co 5597 df-dm 5598 df-rn 5599 df-res 5600 df-ima 5601 df-pred 6199 df-iota 6388 df-fv 6438 df-ov 7271 df-oprab 7272 df-mpo 7273 df-frecs 8081 df-wrecs 8112 df-recs 8186 df-rdg 8225 df-seq 13703 df-sum 15379 |
This theorem is referenced by: sumfc 15402 sumss2 15419 fsumzcl2 15432 fsumsplitf 15435 sumsnf 15436 sumsns 15443 fsummsnunz 15447 fsumsplitsnun 15448 fsum2dlem 15463 fsumcom2 15467 fsumshftm 15474 fsumrlim 15504 fsumo1 15505 o1fsum 15506 fsumiun 15514 ovolfiniun 24646 ovoliun2 24651 volfiniun 24692 itgfsum 24972 elplyd 25344 coeeq2 25384 fsumdvdscom 26315 fsumdvdsmul 26325 fsumvma 26342 fsumshftd 36945 binomcxplemdvsum 41926 sumsnd 42522 fourierdlem115 43716 fsummsndifre 44776 fsumsplitsndif 44777 fsummmodsndifre 44778 fsummmodsnunz 44779 |
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