MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  rlimcl Structured version   Visualization version   GIF version

Theorem rlimcl 15663
Description: Closure of the limit of a sequence of complex numbers. (Contributed by Mario Carneiro, 16-Sep-2014.) (Revised by Mario Carneiro, 28-Apr-2015.)
Assertion
Ref Expression
rlimcl (𝐹 ⇝𝑟 𝐴 → 𝐴 ∈ ℂ)

Proof of Theorem rlimcl
Dummy variables 𝑥 𝑦 𝑧 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 rlimf 15661 . . . 4 (𝐹 ⇝𝑟 𝐴 → 𝐹:dom 𝐹⟶ℂ)
2 rlimss 15662 . . . 4 (𝐹 ⇝𝑟 𝐴 → dom 𝐹 ⊆ ℝ)
3 eqidd 2762 . . . 4 ((𝐹 ⇝𝑟 𝐴 ∧ 𝑥 ∈ dom 𝐹) → (𝐹‘𝑥) = (𝐹‘𝑥))
41, 2, 3rlim 15655 . . 3 (𝐹 ⇝𝑟 𝐴 → (𝐹 ⇝𝑟 𝐴 ↔ (𝐴 ∈ ℂ ∧ ∀𝑦 ∈ ℝ+ ∃𝑧 ∈ ℝ ∀𝑥 ∈ dom 𝐹(𝑧 ≤ 𝑥 → (abs‘((𝐹‘𝑥) − 𝐴)) < 𝑦))))
54ibi 270 . 2 (𝐹 ⇝𝑟 𝐴 → (𝐴 ∈ ℂ ∧ ∀𝑦 ∈ ℝ+ ∃𝑧 ∈ ℝ ∀𝑥 ∈ dom 𝐹(𝑧 ≤ 𝑥 → (abs‘((𝐹‘𝑥) − 𝐴)) < 𝑦)))
65simpld 500 1 (𝐹 ⇝𝑟 𝐴 → 𝐴 ∈ ℂ)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   ∧ wa 401   ∈ wcel 2145  ∀wral 3077  ∃wrex 3087   class class class wbr 5103  dom cdm 5651  ‘cfv 6537  (class class class)co 7418  ℂcc 11191  ℝcr 11192   < clt 11336   ≤ cle 11337   − cmin 11534  ℝ+crp 13113  abscabs 15394   ⇝𝑟 crli 15645
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2147  ax-9 2155  ax-10 2178  ax-11 2194  ax-12 2213  ax-ext 2733  ax-sep 5249  ax-pow 5327  ax-pr 5391  ax-un 7749  ax-cnex 11249  ax-resscn 11250
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2100  df-mo 2565  df-eu 2595  df-clab 2740  df-cleq 2753  df-clel 2836  df-nfc 2910  df-ne 2957  df-ral 3078  df-rex 3088  df-rab 3414  df-v 3453  df-sbc 3740  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-nul 4280  df-if 4483  df-pw 4559  df-sn 4585  df-pr 4587  df-op 4591  df-uni 4868  df-br 5104  df-opab 5168  df-id 5546  df-xp 5657  df-rel 5658  df-cnv 5659  df-co 5660  df-dm 5661  df-rn 5662  df-iota 6493  df-fun 6539  df-fn 6540  df-f 6541  df-fv 6545  df-ov 7421  df-oprab 7422  df-mpo 7423  df-pm 8843  df-rlim 15649
This theorem is used by:  rlimi  15673  rlimclim1  15705  rlimuni  15710  rlimresb  15725  rlimcld2  15738  rlimabs  15769  rlimcj  15770  rlimre  15771  rlimim  15772  rlimo1  15777  rlimadd  15803  rlimsub  15804  rlimmul  15805  rlimdiv  15806  rlimsqzlem  15809  fsumrlim  15971  dchrisum0lem2a  27837  mulog2sumlem2  27855  mulog2sumlem3  27856
  Copyright terms: Public domain W3C validator