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Theorem rlimres2 15611
Description: The restriction of a function converges if the original converges. (Contributed by Mario Carneiro, 16-Sep-2014.)
Hypotheses
Ref Expression
rlimres2.1 (𝜑𝐴𝐵)
rlimres2.2 (𝜑 → (𝑥𝐵𝐶) ⇝𝑟 𝐷)
Assertion
Ref Expression
rlimres2 (𝜑 → (𝑥𝐴𝐶) ⇝𝑟 𝐷)
Distinct variable groups:   𝑥,𝐴   𝑥,𝐵
Allowed substitution hints:   𝜑(𝑥)   𝐶(𝑥)   𝐷(𝑥)

Proof of Theorem rlimres2
StepHypRef Expression
1 rlimres2.1 . . 3 (𝜑𝐴𝐵)
21resmptd 6043 . 2 (𝜑 → ((𝑥𝐵𝐶) ↾ 𝐴) = (𝑥𝐴𝐶))
3 rlimres2.2 . . 3 (𝜑 → (𝑥𝐵𝐶) ⇝𝑟 𝐷)
4 rlimres 15608 . . 3 ((𝑥𝐵𝐶) ⇝𝑟 𝐷 → ((𝑥𝐵𝐶) ↾ 𝐴) ⇝𝑟 𝐷)
53, 4syl 18 . 2 (𝜑 → ((𝑥𝐵𝐶) ↾ 𝐴) ⇝𝑟 𝐷)
62, 5eqbrtrrd 5139 1 (𝜑 → (𝑥𝐴𝐶) ⇝𝑟 𝐷)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wss 3913   class class class wbr 5113  cmpt 5196  cres 5664  𝑟 crli 15535
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1822  ax-4 1836  ax-5 1937  ax-6 1994  ax-7 2035  ax-8 2151  ax-9 2159  ax-10 2182  ax-11 2198  ax-12 2219  ax-ext 2741  ax-sep 5261  ax-pow 5337  ax-pr 5405  ax-un 7733  ax-cnex 11155  ax-resscn 11156
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1103  df-tru 1570  df-fal 1580  df-ex 1807  df-nf 1811  df-sb 2098  df-mo 2573  df-eu 2603  df-clab 2748  df-cleq 2761  df-clel 2844  df-nfc 2918  df-ne 2965  df-ral 3086  df-rex 3096  df-rab 3424  df-v 3465  df-sbc 3754  df-dif 3916  df-un 3918  df-in 3920  df-ss 3930  df-nul 4295  df-if 4493  df-pw 4569  df-sn 4595  df-pr 4597  df-op 4601  df-uni 4877  df-br 5114  df-opab 5178  df-mpt 5197  df-id 5557  df-xp 5668  df-rel 5669  df-cnv 5670  df-co 5671  df-dm 5672  df-rn 5673  df-res 5674  df-iota 6493  df-fun 6539  df-fn 6540  df-f 6541  df-fv 6545  df-ov 7414  df-oprab 7415  df-mpo 7416  df-pm 8826  df-rlim 15539
This theorem is referenced by:  divcnv  15906  dvfsumrlimge0  26157  dvfsumrlim2  26159  dfef2  27100  cxp2lim  27106  chtppilimlem2  27603  chpchtlim  27608  pnt2  27742
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