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Mirrors > Home > ILE Home > Th. List > sumfct | Unicode version |
Description: A lemma to facilitate conversions from the function form to the class-variable form of a sum. (Contributed by Mario Carneiro, 12-Aug-2013.) (Revised by Jim Kingdon, 18-Sep-2022.) |
Ref | Expression |
---|---|
sumfct |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpr 110 |
. . . 4
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2 | nfcsb1v 3092 |
. . . . . . 7
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3 | 2 | nfel1 2330 |
. . . . . 6
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4 | csbeq1a 3068 |
. . . . . . 7
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5 | 4 | eleq1d 2246 |
. . . . . 6
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6 | 3, 5 | rspc 2837 |
. . . . 5
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7 | 6 | impcom 125 |
. . . 4
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8 | eqid 2177 |
. . . . 5
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9 | 8 | fvmpts 5596 |
. . . 4
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10 | 1, 7, 9 | syl2anc 411 |
. . 3
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11 | 10 | sumeq2dv 11378 |
. 2
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12 | nfcv 2319 |
. . 3
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13 | 12, 2, 4 | cbvsumi 11372 |
. 2
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14 | 11, 13 | eqtr4di 2228 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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-in1 614 ax-in2 615 ax-io 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-13 2150 ax-14 2151 ax-ext 2159 ax-sep 4123 ax-pow 4176 ax-pr 4211 ax-un 4435 ax-setind 4538 ax-cnex 7904 ax-resscn 7905 ax-1cn 7906 ax-1re 7907 ax-icn 7908 ax-addcl 7909 ax-addrcl 7910 ax-mulcl 7911 ax-addcom 7913 ax-addass 7915 ax-distr 7917 ax-i2m1 7918 ax-0lt1 7919 ax-0id 7921 ax-rnegex 7922 ax-cnre 7924 ax-pre-ltirr 7925 ax-pre-ltwlin 7926 ax-pre-lttrn 7927 ax-pre-ltadd 7929 |
This theorem depends on definitions: df-bi 117 df-dc 835 df-3or 979 df-3an 980 df-tru 1356 df-fal 1359 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ne 2348 df-nel 2443 df-ral 2460 df-rex 2461 df-reu 2462 df-rab 2464 df-v 2741 df-sbc 2965 df-csb 3060 df-dif 3133 df-un 3135 df-in 3137 df-ss 3144 df-if 3537 df-pw 3579 df-sn 3600 df-pr 3601 df-op 3603 df-uni 3812 df-int 3847 df-br 4006 df-opab 4067 df-mpt 4068 df-id 4295 df-xp 4634 df-rel 4635 df-cnv 4636 df-co 4637 df-dm 4638 df-rn 4639 df-res 4640 df-ima 4641 df-iota 5180 df-fun 5220 df-fn 5221 df-f 5222 df-f1 5223 df-f1o 5225 df-fv 5226 df-riota 5833 df-ov 5880 df-oprab 5881 df-mpo 5882 df-recs 6308 df-frec 6394 df-pnf 7996 df-mnf 7997 df-xr 7998 df-ltxr 7999 df-le 8000 df-sub 8132 df-neg 8133 df-inn 8922 df-n0 9179 df-z 9256 df-uz 9531 df-fz 10011 df-seqfrec 10448 df-sumdc 11364 |
This theorem is referenced by: fsumf1o 11400 isumss 11401 fisumss 11402 fsumcl2lem 11408 fsumadd 11416 isumclim3 11433 isummulc2 11436 fsummulc2 11458 isumshft 11500 |
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