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| Mirrors > Home > ILE Home > Th. List > dvcl | GIF version | ||
| Description: The derivative function takes values in the complex numbers. (Contributed by Mario Carneiro, 7-Aug-2014.) (Revised by Mario Carneiro, 9-Feb-2015.) |
| Ref | Expression |
|---|---|
| dvcl.s | ⊢ (𝜑 → 𝑆 ⊆ ℂ) |
| dvcl.f | ⊢ (𝜑 → 𝐹:𝐴⟶ℂ) |
| dvcl.a | ⊢ (𝜑 → 𝐴 ⊆ 𝑆) |
| Ref | Expression |
|---|---|
| dvcl | ⊢ ((𝜑 ∧ 𝐵(𝑆 D 𝐹)𝐶) → 𝐶 ∈ ℂ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | limccl 15573 | . 2 ⊢ ((𝑧 ∈ {𝑤 ∈ 𝐴 ∣ 𝑤 # 𝐵} ↦ (((𝐹‘𝑧) − (𝐹‘𝐵)) / (𝑧 − 𝐵))) limℂ 𝐵) ⊆ ℂ | |
| 2 | eqid 2234 | . . . 4 ⊢ ((MetOpen‘(abs ∘ − )) ↾t 𝑆) = ((MetOpen‘(abs ∘ − )) ↾t 𝑆) | |
| 3 | eqid 2234 | . . . 4 ⊢ (MetOpen‘(abs ∘ − )) = (MetOpen‘(abs ∘ − )) | |
| 4 | eqid 2234 | . . . 4 ⊢ (𝑧 ∈ {𝑤 ∈ 𝐴 ∣ 𝑤 # 𝐵} ↦ (((𝐹‘𝑧) − (𝐹‘𝐵)) / (𝑧 − 𝐵))) = (𝑧 ∈ {𝑤 ∈ 𝐴 ∣ 𝑤 # 𝐵} ↦ (((𝐹‘𝑧) − (𝐹‘𝐵)) / (𝑧 − 𝐵))) | |
| 5 | dvcl.s | . . . 4 ⊢ (𝜑 → 𝑆 ⊆ ℂ) | |
| 6 | dvcl.f | . . . 4 ⊢ (𝜑 → 𝐹:𝐴⟶ℂ) | |
| 7 | dvcl.a | . . . 4 ⊢ (𝜑 → 𝐴 ⊆ 𝑆) | |
| 8 | 2, 3, 4, 5, 6, 7 | eldvap 15596 | . . 3 ⊢ (𝜑 → (𝐵(𝑆 D 𝐹)𝐶 ↔ (𝐵 ∈ ((int‘((MetOpen‘(abs ∘ − )) ↾t 𝑆))‘𝐴) ∧ 𝐶 ∈ ((𝑧 ∈ {𝑤 ∈ 𝐴 ∣ 𝑤 # 𝐵} ↦ (((𝐹‘𝑧) − (𝐹‘𝐵)) / (𝑧 − 𝐵))) limℂ 𝐵)))) |
| 9 | 8 | simplbda 384 | . 2 ⊢ ((𝜑 ∧ 𝐵(𝑆 D 𝐹)𝐶) → 𝐶 ∈ ((𝑧 ∈ {𝑤 ∈ 𝐴 ∣ 𝑤 # 𝐵} ↦ (((𝐹‘𝑧) − (𝐹‘𝐵)) / (𝑧 − 𝐵))) limℂ 𝐵)) |
| 10 | 1, 9 | sselid 3238 | 1 ⊢ ((𝜑 ∧ 𝐵(𝑆 D 𝐹)𝐶) → 𝐶 ∈ ℂ) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∈ wcel 2205 {crab 2526 ⊆ wss 3213 class class class wbr 4111 ↦ cmpt 4173 ∘ ccom 4755 ⟶wf 5350 ‘cfv 5354 (class class class)co 6052 ℂcc 8130 − cmin 8449 # cap 8860 / cdiv 8951 abscabs 11690 ↾t crest 13473 MetOpencmopn 14738 intcnt 15007 limℂ climc 15568 D cdv 15569 |
| 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 619 ax-in2 620 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-13 2207 ax-14 2208 ax-ext 2216 ax-coll 4227 ax-sep 4230 ax-nul 4238 ax-pow 4289 ax-pr 4324 ax-un 4556 ax-setind 4661 ax-iinf 4712 ax-cnex 8223 ax-resscn 8224 ax-1cn 8225 ax-1re 8226 ax-icn 8227 ax-addcl 8228 ax-addrcl 8229 ax-mulcl 8230 ax-mulrcl 8231 ax-addcom 8232 ax-mulcom 8233 ax-addass 8234 ax-mulass 8235 ax-distr 8236 ax-i2m1 8237 ax-0lt1 8238 ax-1rid 8239 ax-0id 8240 ax-rnegex 8241 ax-precex 8242 ax-cnre 8243 ax-pre-ltirr 8244 ax-pre-ltwlin 8245 ax-pre-lttrn 8246 ax-pre-apti 8247 ax-pre-ltadd 8248 ax-pre-mulgt0 8249 ax-pre-mulext 8250 ax-arch 8251 ax-caucvg 8252 |
| This theorem depends on definitions: df-bi 117 df-stab 839 df-dc 843 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-nel 2510 df-ral 2527 df-rex 2528 df-reu 2529 df-rmo 2530 df-rab 2531 df-v 2817 df-sbc 3045 df-csb 3141 df-dif 3215 df-un 3217 df-in 3219 df-ss 3226 df-nul 3511 df-if 3623 df-pw 3673 df-sn 3697 df-pr 3698 df-op 3700 df-uni 3917 df-int 3952 df-iun 3995 df-br 4112 df-opab 4174 df-mpt 4175 df-tr 4211 df-id 4416 df-po 4419 df-iso 4420 df-iord 4489 df-on 4491 df-ilim 4492 df-suc 4494 df-iom 4715 df-xp 4757 df-rel 4758 df-cnv 4759 df-co 4760 df-dm 4761 df-rn 4762 df-res 4763 df-ima 4764 df-iota 5314 df-fun 5356 df-fn 5357 df-f 5358 df-f1 5359 df-fo 5360 df-f1o 5361 df-fv 5362 df-isom 5363 df-riota 6005 df-ov 6055 df-oprab 6056 df-mpo 6057 df-1st 6336 df-2nd 6337 df-recs 6538 df-frec 6624 df-map 6886 df-pm 6887 df-sup 7277 df-inf 7278 df-pnf 8315 df-mnf 8316 df-xr 8317 df-ltxr 8318 df-le 8319 df-sub 8451 df-neg 8452 df-reap 8854 df-ap 8861 df-div 8952 df-inn 9243 df-2 9301 df-3 9302 df-4 9303 df-n0 9502 df-z 9583 df-uz 9860 df-q 9958 df-rp 9993 df-xneg 10111 df-xadd 10112 df-seqfrec 10817 df-exp 10908 df-cj 11535 df-re 11536 df-im 11537 df-rsqrt 11691 df-abs 11692 df-rest 13475 df-topgen 13494 df-psmet 14740 df-xmet 14741 df-met 14742 df-bl 14743 df-mopn 14744 df-top 14912 df-topon 14925 df-bases 14957 df-ntr 15010 df-limced 15570 df-dvap 15571 |
| This theorem is referenced by: dvfgg 15602 dvcnp2cntop 15613 dvaddxxbr 15615 dvmulxxbr 15616 dvcoapbr 15621 |
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