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| Mirrors > Home > ILE Home > Th. List > cbvsumi | Unicode version | ||
| Description: Change bound variable in a sum. (Contributed by NM, 11-Dec-2005.) |
| Ref | Expression |
|---|---|
| cbvsumi.1 |
|
| cbvsumi.2 |
|
| cbvsumi.3 |
|
| Ref | Expression |
|---|---|
| cbvsumi |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cbvsumi.3 |
. 2
| |
| 2 | nfcv 2392 |
. 2
| |
| 3 | nfcv 2392 |
. 2
| |
| 4 | cbvsumi.1 |
. 2
| |
| 5 | cbvsumi.2 |
. 2
| |
| 6 | 1, 2, 3, 4, 5 | cbvsum 12126 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on 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 proof 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 3639 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4131 df-opab 4193 df-mpt 4194 df-cnv 4782 df-dm 4784 df-rn 4785 df-res 4786 df-iota 5337 df-fv 5385 df-ov 6088 df-oprab 6089 df-mpo 6090 df-recs 6576 df-frec 6662 df-seqfrec 10885 df-sumdc 12120 |
| This theorem is used by: sumfct 12140 isumss2 12160 fsumzcl2 12172 fsumsplitf 12175 sumsnf 12176 sumsns 12182 fsumsplitsnun 12186 fsum2dlemstep 12201 fisumcom2 12205 fsumshftm 12212 fsumiun 12244 elplyd 15842 fsumdvdsmul 16105 |
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