| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > cbvsumv | GIF version | ||
| Description: Change bound variable in a sum. (Contributed by NM, 11-Dec-2005.) (Revised by Mario Carneiro, 13-Jul-2013.) |
| Ref | Expression |
|---|---|
| cbvsum.1 | ⊢ (𝑗 = 𝑘 → 𝐵 = 𝐶) |
| Ref | Expression |
|---|---|
| cbvsumv | ⊢ Σ𝑗 ∈ 𝐴 𝐵 = Σ𝑘 ∈ 𝐴 𝐶 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cbvsum.1 | . 2 ⊢ (𝑗 = 𝑘 → 𝐵 = 𝐶) | |
| 2 | nfcv 2392 | . 2 ⊢ Ⅎ𝑘𝐴 | |
| 3 | nfcv 2392 | . 2 ⊢ Ⅎ𝑗𝐴 | |
| 4 | nfcv 2392 | . 2 ⊢ Ⅎ𝑘𝐵 | |
| 5 | nfcv 2392 | . 2 ⊢ Ⅎ𝑗𝐶 | |
| 6 | 1, 2, 3, 4, 5 | cbvsum 12104 | 1 ⊢ Σ𝑗 ∈ 𝐴 𝐵 = Σ𝑘 ∈ 𝐴 𝐶 |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1402 Σcsu 12097 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-un 3224 df-in 3226 df-ss 3233 df-if 3636 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-br 4126 df-opab 4188 df-mpt 4189 df-cnv 4777 df-dm 4779 df-rn 4780 df-res 4781 df-iota 5332 df-fv 5380 df-ov 6078 df-oprab 6079 df-mpo 6080 df-recs 6566 df-frec 6652 df-seqfrec 10863 df-sumdc 12098 |
| This theorem is referenced by: isumge0 12175 telfsumo 12211 fsumparts 12215 binomlem 12228 mertenslemi1 12280 mertenslem2 12281 mertensabs 12282 efaddlem 12419 plymullem1 15772 plyadd 15775 plymul 15776 plycoeid3 15781 plyco 15783 plycj 15785 dvply1 15789 trilpo 16997 redcwlpo 17010 nconstwlpo 17021 neapmkv 17023 |
| Copyright terms: Public domain | W3C validator |