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Theorem rlimss 15555
Description: Domain closure of a function with a limit in the complex numbers. (Contributed by Mario Carneiro, 16-Sep-2014.)
Assertion
Ref Expression
rlimss (𝐹𝑟 𝐴 → dom 𝐹 ⊆ ℝ)

Proof of Theorem rlimss
StepHypRef Expression
1 rlimpm 15553 . 2 (𝐹𝑟 𝐴𝐹 ∈ (ℂ ↑pm ℝ))
2 cnex 11182 . . . 4 ℂ ∈ V
3 reex 11192 . . . 4 ℝ ∈ V
42, 3elpm2 8873 . . 3 (𝐹 ∈ (ℂ ↑pm ℝ) ↔ (𝐹:dom 𝐹⟶ℂ ∧ dom 𝐹 ⊆ ℝ))
54simprbi 502 . 2 (𝐹 ∈ (ℂ ↑pm ℝ) → dom 𝐹 ⊆ ℝ)
61, 5syl 18 1 (𝐹𝑟 𝐴 → dom 𝐹 ⊆ ℝ)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wcel 2143  wss 3906   class class class wbr 5110  dom cdm 5663  wf 6534  (class class class)co 7412  pm cpm 8826  cc 11099  cr 11100  𝑟 crli 15538
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1825  ax-4 1839  ax-5 1940  ax-6 1997  ax-7 2038  ax-8 2145  ax-9 2153  ax-10 2176  ax-11 2192  ax-12 2213  ax-ext 2735  ax-sep 5258  ax-pow 5338  ax-pr 5406  ax-un 7734  ax-cnex 11157  ax-resscn 11158
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1810  df-nf 1814  df-sb 2097  df-mo 2567  df-eu 2597  df-clab 2742  df-cleq 2755  df-clel 2838  df-nfc 2912  df-ne 2959  df-ral 3080  df-rex 3090  df-rab 3417  df-v 3457  df-sbc 3746  df-dif 3909  df-un 3911  df-in 3913  df-ss 3923  df-nul 4288  df-if 4489  df-pw 4565  df-sn 4591  df-pr 4593  df-op 4597  df-uni 4874  df-br 5111  df-opab 5175  df-id 5558  df-xp 5669  df-rel 5670  df-cnv 5671  df-co 5672  df-dm 5673  df-rn 5674  df-iota 6494  df-fun 6540  df-fn 6541  df-f 6542  df-fv 6546  df-ov 7415  df-oprab 7416  df-mpo 7417  df-pm 8828  df-rlim 15542
This theorem is referenced by:  rlimcl  15556  rlimi  15566  rlimi2  15567  rlimuni  15603  rlimres  15611  rlimeq  15622  rlimcld2  15631  rlimcn1  15641  rlimcn3  15643  rlimo1  15670  o1rlimmul  15672  rlimneg  15700  rlimsqzlem  15702  rlimno1  15707  rlimcxp  27119
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