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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 2897 | . 2 ⊢ Ⅎ𝑘𝐴 | |
3 | nfcv 2897 | . 2 ⊢ Ⅎ𝑗𝐴 | |
4 | cbvsumi.1 | . 2 ⊢ Ⅎ𝑘𝐵 | |
5 | cbvsumi.2 | . 2 ⊢ Ⅎ𝑗𝐶 | |
6 | 1, 2, 3, 4, 5 | cbvsum 15224 | 1 ⊢ Σ𝑗 ∈ 𝐴 𝐵 = Σ𝑘 ∈ 𝐴 𝐶 |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1543 Ⅎwnfc 2877 Σcsu 15214 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2018 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2160 ax-12 2177 ax-ext 2708 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2073 df-clab 2715 df-cleq 2728 df-clel 2809 df-nfc 2879 df-ral 3056 df-rex 3057 df-rab 3060 df-v 3400 df-sbc 3684 df-csb 3799 df-dif 3856 df-un 3858 df-in 3860 df-ss 3870 df-nul 4224 df-if 4426 df-sn 4528 df-pr 4530 df-op 4534 df-uni 4806 df-br 5040 df-opab 5102 df-mpt 5121 df-xp 5542 df-cnv 5544 df-dm 5546 df-rn 5547 df-res 5548 df-ima 5549 df-pred 6140 df-iota 6316 df-fv 6366 df-ov 7194 df-oprab 7195 df-mpo 7196 df-wrecs 8025 df-recs 8086 df-rdg 8124 df-seq 13540 df-sum 15215 |
This theorem is referenced by: sumfc 15238 sumss2 15255 fsumzcl2 15267 fsumsplitf 15270 sumsnf 15271 sumsns 15277 fsummsnunz 15281 fsumsplitsnun 15282 fsum2dlem 15297 fsumcom2 15301 fsumshftm 15308 fsumrlim 15338 fsumo1 15339 o1fsum 15340 fsumiun 15348 ovolfiniun 24352 ovoliun2 24357 volfiniun 24398 itgfsum 24678 elplyd 25050 coeeq2 25090 fsumdvdscom 26021 fsumdvdsmul 26031 fsumvma 26048 fsumshftd 36652 binomcxplemdvsum 41587 sumsnd 42183 fourierdlem115 43380 fsummsndifre 44440 fsumsplitsndif 44441 fsummmodsndifre 44442 fsummmodsnunz 44443 |
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