| 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 2375 | . 2 ⊢ Ⅎ𝑘𝐴 | |
| 3 | nfcv 2375 | . 2 ⊢ Ⅎ𝑗𝐴 | |
| 4 | nfcv 2375 | . 2 ⊢ Ⅎ𝑘𝐵 | |
| 5 | nfcv 2375 | . 2 ⊢ Ⅎ𝑗𝐶 | |
| 6 | 1, 2, 3, 4, 5 | cbvsum 11983 | 1 ⊢ Σ𝑗 ∈ 𝐴 𝐵 = Σ𝑘 ∈ 𝐴 𝐶 |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1398 Σcsu 11976 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ral 2516 df-rex 2517 df-rab 2520 df-v 2805 df-sbc 3033 df-csb 3129 df-un 3205 df-in 3207 df-ss 3214 df-if 3608 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-br 4094 df-opab 4156 df-mpt 4157 df-cnv 4739 df-dm 4741 df-rn 4742 df-res 4743 df-iota 5293 df-fv 5341 df-ov 6031 df-oprab 6032 df-mpo 6033 df-recs 6514 df-frec 6600 df-seqfrec 10756 df-sumdc 11977 |
| This theorem is referenced by: isumge0 12054 telfsumo 12090 fsumparts 12094 binomlem 12107 mertenslemi1 12159 mertenslem2 12160 mertensabs 12161 efaddlem 12298 plymullem1 15542 plyadd 15545 plymul 15546 plycoeid3 15551 plyco 15553 plycj 15555 dvply1 15559 trilpo 16758 redcwlpo 16771 nconstwlpo 16782 neapmkv 16784 |
| Copyright terms: Public domain | W3C validator |