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| Mirrors > Home > ILE Home > Th. List > sumeq2dv | GIF version | ||
| Description: Equality deduction for sum. (Contributed by NM, 3-Jan-2006.) (Revised by Mario Carneiro, 31-Jan-2014.) |
| Ref | Expression |
|---|---|
| sumeq2dv.1 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 = 𝐶) |
| Ref | Expression |
|---|---|
| sumeq2dv | ⊢ (𝜑 → Σ𝑘 ∈ 𝐴 𝐵 = Σ𝑘 ∈ 𝐴 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sumeq2dv.1 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 = 𝐶) | |
| 2 | 1 | ralrimiva 2623 | . 2 ⊢ (𝜑 → ∀𝑘 ∈ 𝐴 𝐵 = 𝐶) |
| 3 | 2 | sumeq2d 12158 | 1 ⊢ (𝜑 → Σ𝑘 ∈ 𝐴 𝐵 = Σ𝑘 ∈ 𝐴 𝐶) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 104 = wceq 1402 ∈ wcel 2209 Σcsu 12144 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 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-14 2212 ax-ext 2220 ax-sep 4251 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 ax-cnex 8276 ax-resscn 8277 ax-1cn 8278 ax-1re 8279 ax-icn 8280 ax-addcl 8281 ax-addrcl 8282 ax-mulcl 8283 ax-addcom 8285 ax-addass 8287 ax-distr 8289 ax-i2m1 8290 ax-0lt1 8291 ax-0id 8293 ax-rnegex 8294 ax-cnre 8296 ax-pre-ltirr 8297 ax-pre-ltwlin 8298 ax-pre-lttrn 8299 ax-pre-ltadd 8301 |
| This proof depends on definitions: df-bi 117 df-dc 847 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-if 3639 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-br 4132 df-opab 4194 df-mpt 4195 df-id 4440 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-rn 4787 df-res 4788 df-ima 4789 df-iota 5340 df-fun 5382 df-fn 5383 df-f 5384 df-f1 5385 df-f1o 5387 df-fv 5388 df-riota 6041 df-ov 6091 df-oprab 6092 df-mpo 6093 df-recs 6580 df-frec 6666 df-pnf 8368 df-mnf 8369 df-xr 8370 df-ltxr 8371 df-le 8372 df-sub 8506 df-neg 8507 df-inn 9314 df-n0 9575 df-z 9656 df-uz 9938 df-fz 10429 df-seqfrec 10906 df-sumdc 12145 |
| This theorem is used by: sumeq2sdv 12161 2sumeq2dv 12162 sumeq12dv 12163 sumeq12rdv 12164 sumfct 12165 fsumf1o 12182 fisumss 12184 fsumsplit 12199 isummulc1 12219 isumdivapc 12220 isumge0 12222 sumsplitdc 12224 fsum2dlemstep 12226 fsumshftm 12237 fisum0diag2 12239 fsummulc1 12241 fsumdivapc 12242 fsumneg 12243 fsumsub 12244 fsum2mul 12245 telfsumo2 12259 fsumparts 12262 hashiun 12270 hash2iun 12271 hash2iun1dif1 12272 binomlem 12275 binom1p 12277 isum1p 12284 arisum 12290 trireciplem 12292 geosergap 12298 geo2sum 12306 mertenslemi1 12327 mertenslem2 12328 mertensabs 12329 efval2 12457 efaddlem 12466 fsumdvds 12634 phisum 13048 pcfac 13158 elply2 15961 elplyd 15967 plyaddlem1 15973 plymullem1 15974 plycjlemc 15986 plyrecj 15989 dvply1 15991 birthdaylem2 16226 sgmval2 16253 fsumdvdsmul 16285 sgmppw 16286 1sgmprm 16288 perfectlem2 16300 pcbcctr 16303 bposlem2 16312 lgsquadlem1 16401 lgsquadlem2 16402 cvgcmp2nlemabs 17287 redcwlpolemeq1 17311 nconstwlpolem0 17320 |
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