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Theorem rlimmptrcl 15780
Description: Reverse closure for a real limit. (Contributed by Mario Carneiro, 10-May-2016.)
Hypotheses
Ref Expression
rlimabs.1 ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ 𝑉)
rlimabs.2 (𝜑 → (𝑘 ∈ 𝐴 ↦ 𝐵) ⇝𝑟 𝐶)
Assertion
Ref Expression
rlimmptrcl ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ ℂ)
Distinct variable groups:   𝐴,𝑘   𝜑,𝑘
Allowed substitution hints:   𝐵(𝑘)   𝐶(𝑘)   𝑉(𝑘)

Proof of Theorem rlimmptrcl
StepHypRef Expression
1 rlimabs.2 . . . 4 (𝜑 → (𝑘 ∈ 𝐴 ↦ 𝐵) ⇝𝑟 𝐶)
2 rlimf 15673 . . . 4 ((𝑘 ∈ 𝐴 ↦ 𝐵) ⇝𝑟 𝐶 → (𝑘 ∈ 𝐴 ↦ 𝐵):dom (𝑘 ∈ 𝐴 ↦ 𝐵)⟶ℂ)
31, 2syl 18 . . 3 (𝜑 → (𝑘 ∈ 𝐴 ↦ 𝐵):dom (𝑘 ∈ 𝐴 ↦ 𝐵)⟶ℂ)
4 eqid 2760 . . . . 5 (𝑘 ∈ 𝐴 ↦ 𝐵) = (𝑘 ∈ 𝐴 ↦ 𝐵)
5 rlimabs.1 . . . . 5 ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ 𝑉)
64, 5dmmptd 6684 . . . 4 (𝜑 → dom (𝑘 ∈ 𝐴 ↦ 𝐵) = 𝐴)
76feq2d 6693 . . 3 (𝜑 → ((𝑘 ∈ 𝐴 ↦ 𝐵):dom (𝑘 ∈ 𝐴 ↦ 𝐵)⟶ℂ ↔ (𝑘 ∈ 𝐴 ↦ 𝐵):𝐴⟶ℂ))
83, 7mpbid 235 . 2 (𝜑 → (𝑘 ∈ 𝐴 ↦ 𝐵):𝐴⟶ℂ)
98fvmptelcdm 7113 1 ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ ℂ)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   ∧ wa 401   ∈ wcel 2144   class class class wbr 5102   ↦ cmpt 5185  dom cdm 5650  ⟶wf 6534  ℂcc 11201   ⇝𝑟 crli 15657
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1942  ax-6 1999  ax-7 2040  ax-8 2146  ax-9 2154  ax-10 2177  ax-11 2193  ax-12 2212  ax-ext 2732  ax-sep 5248  ax-pow 5326  ax-pr 5390  ax-un 7751  ax-cnex 11259  ax-resscn 11260
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1572  df-fal 1582  df-ex 1812  df-nf 1816  df-sb 2099  df-mo 2564  df-eu 2594  df-clab 2739  df-cleq 2752  df-clel 2835  df-nfc 2909  df-ne 2956  df-ral 3077  df-rex 3087  df-rab 3413  df-v 3452  df-sbc 3739  df-ss 3896  df-dif 4047  df-in 4091  df-un 4151  df-nul 4279  df-if 4482  df-pw 4558  df-sn 4585  df-pr 4587  df-op 4835  df-uni 4867  df-br 5103  df-opab 5167  df-mpt 5186  df-id 5545  df-xp 5656  df-rel 5657  df-cnv 5658  df-co 5659  df-dm 5660  df-rn 5661  df-res 5662  df-ima 5663  df-iota 6494  df-fun 6540  df-fn 6541  df-f 6542  df-fv 6546  df-ov 7423  df-oprab 7424  df-mpo 7425  df-pm 8853  df-rlim 15661
This theorem is used by:  rlimabs  15781  rlimcj  15782  rlimre  15783  rlimim  15784  rlimadd  15815  rlimsub  15816  rlimmul  15817  rlimdiv  15818  rlimneg  15819  fsumrlim  15983  dvfsumrlim  26356  rlimcxp  27306  cxploglim2  27311
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