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Theorem rlimss 14233
Description: Domain closure of a function with a limit in the complex numbers. (Contributed by Mario Carneiro, 16-Sep-2014.)
Assertion
Ref Expression
rlimss  |-  ( F  ~~> r  A  ->  dom  F 
C_  RR )

Proof of Theorem rlimss
StepHypRef Expression
1 rlimpm 14231 . 2  |-  ( F  ~~> r  A  ->  F  e.  ( CC  ^pm  RR ) )
2 cnex 10017 . . . 4  |-  CC  e.  _V
3 reex 10027 . . . 4  |-  RR  e.  _V
42, 3elpm2 7889 . . 3  |-  ( F  e.  ( CC  ^pm  RR )  <->  ( F : dom  F --> CC  /\  dom  F 
C_  RR ) )
54simprbi 480 . 2  |-  ( F  e.  ( CC  ^pm  RR )  ->  dom  F  C_  RR )
61, 5syl 17 1  |-  ( F  ~~> r  A  ->  dom  F 
C_  RR )
Colors of variables: wff setvar class
Syntax hints:    -> wi 4    e. wcel 1990    C_ wss 3574   class class class wbr 4653   dom cdm 5114   -->wf 5884  (class class class)co 6650    ^pm cpm 7858   CCcc 9934   RRcr 9935    ~~> r crli 14216
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-8 1992  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-sep 4781  ax-nul 4789  ax-pow 4843  ax-pr 4906  ax-un 6949  ax-cnex 9992  ax-resscn 9993
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3an 1039  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-eu 2474  df-mo 2475  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ne 2795  df-ral 2917  df-rex 2918  df-rab 2921  df-v 3202  df-sbc 3436  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-nul 3916  df-if 4087  df-pw 4160  df-sn 4178  df-pr 4180  df-op 4184  df-uni 4437  df-br 4654  df-opab 4713  df-id 5024  df-xp 5120  df-rel 5121  df-cnv 5122  df-co 5123  df-dm 5124  df-rn 5125  df-iota 5851  df-fun 5890  df-fn 5891  df-f 5892  df-fv 5896  df-ov 6653  df-oprab 6654  df-mpt2 6655  df-pm 7860  df-rlim 14220
This theorem is referenced by:  rlimcl  14234  rlimi  14244  rlimi2  14245  rlimuni  14281  rlimres  14289  rlimeq  14300  rlimcld2  14309  rlimcn1  14319  rlimcn2  14321  rlimo1  14347  o1rlimmul  14349  rlimneg  14377  rlimsqzlem  14379  rlimno1  14384  rlimcxp  24700
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