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Theorem rlimcn2 15281
Description: Image of a limit under a continuous map, two-arg version. (Contributed by Mario Carneiro, 17-Sep-2014.)
Hypotheses
Ref Expression
rlimcn2.1a ((𝜑𝑧𝐴) → 𝐵𝑋)
rlimcn2.1b ((𝜑𝑧𝐴) → 𝐶𝑌)
rlimcn2.2a (𝜑𝑅𝑋)
rlimcn2.2b (𝜑𝑆𝑌)
rlimcn2.3a (𝜑 → (𝑧𝐴𝐵) ⇝𝑟 𝑅)
rlimcn2.3b (𝜑 → (𝑧𝐴𝐶) ⇝𝑟 𝑆)
rlimcn2.4 (𝜑𝐹:(𝑋 × 𝑌)⟶ℂ)
rlimcn2.5 ((𝜑𝑥 ∈ ℝ+) → ∃𝑟 ∈ ℝ+𝑠 ∈ ℝ+𝑢𝑋𝑣𝑌 (((abs‘(𝑢𝑅)) < 𝑟 ∧ (abs‘(𝑣𝑆)) < 𝑠) → (abs‘((𝑢𝐹𝑣) − (𝑅𝐹𝑆))) < 𝑥))
Assertion
Ref Expression
rlimcn2 (𝜑 → (𝑧𝐴 ↦ (𝐵𝐹𝐶)) ⇝𝑟 (𝑅𝐹𝑆))
Distinct variable groups:   𝐴,𝑟,𝑠,𝑥,𝑧   𝐹,𝑟,𝑠,𝑢,𝑣,𝑥,𝑧   𝑅,𝑟,𝑠,𝑢,𝑣,𝑥,𝑧   𝐵,𝑟,𝑠,𝑢,𝑣,𝑥   𝜑,𝑟,𝑠,𝑥,𝑧   𝑆,𝑟,𝑠,𝑢,𝑣,𝑥,𝑧   𝐶,𝑟,𝑠,𝑣,𝑥   𝑢,𝑋,𝑧   𝑢,𝑌,𝑣,𝑧
Allowed substitution hints:   𝜑(𝑣,𝑢)   𝐴(𝑣,𝑢)   𝐵(𝑧)   𝐶(𝑧,𝑢)   𝑋(𝑥,𝑣,𝑠,𝑟)   𝑌(𝑥,𝑠,𝑟)

Proof of Theorem rlimcn2
StepHypRef Expression
1 rlimcn2.1a . 2 ((𝜑𝑧𝐴) → 𝐵𝑋)
2 rlimcn2.1b . 2 ((𝜑𝑧𝐴) → 𝐶𝑌)
3 rlimcn2.4 . . . 4 (𝜑𝐹:(𝑋 × 𝑌)⟶ℂ)
43adantr 480 . . 3 ((𝜑𝑧𝐴) → 𝐹:(𝑋 × 𝑌)⟶ℂ)
54, 1, 2fovrnd 7435 . 2 ((𝜑𝑧𝐴) → (𝐵𝐹𝐶) ∈ ℂ)
6 rlimcn2.2a . . 3 (𝜑𝑅𝑋)
7 rlimcn2.2b . . 3 (𝜑𝑆𝑌)
83, 6, 7fovrnd 7435 . 2 (𝜑 → (𝑅𝐹𝑆) ∈ ℂ)
9 rlimcn2.3a . 2 (𝜑 → (𝑧𝐴𝐵) ⇝𝑟 𝑅)
10 rlimcn2.3b . 2 (𝜑 → (𝑧𝐴𝐶) ⇝𝑟 𝑆)
11 rlimcn2.5 . 2 ((𝜑𝑥 ∈ ℝ+) → ∃𝑟 ∈ ℝ+𝑠 ∈ ℝ+𝑢𝑋𝑣𝑌 (((abs‘(𝑢𝑅)) < 𝑟 ∧ (abs‘(𝑣𝑆)) < 𝑠) → (abs‘((𝑢𝐹𝑣) − (𝑅𝐹𝑆))) < 𝑥))
121, 2, 5, 8, 9, 10, 11rlimcn3 15280 1 (𝜑 → (𝑧𝐴 ↦ (𝐵𝐹𝐶)) ⇝𝑟 (𝑅𝐹𝑆))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395  wcel 2109  wral 3065  wrex 3066   class class class wbr 5078  cmpt 5161   × cxp 5586  wf 6426  cfv 6430  (class class class)co 7268  cc 10853   < clt 10993  cmin 11188  +crp 12712  abscabs 14926  𝑟 crli 15175
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1801  ax-4 1815  ax-5 1916  ax-6 1974  ax-7 2014  ax-8 2111  ax-9 2119  ax-10 2140  ax-11 2157  ax-12 2174  ax-ext 2710  ax-sep 5226  ax-nul 5233  ax-pow 5291  ax-pr 5355  ax-un 7579  ax-cnex 10911  ax-resscn 10912  ax-pre-lttri 10929  ax-pre-lttrn 10930
This theorem depends on definitions:  df-bi 206  df-an 396  df-or 844  df-3or 1086  df-3an 1087  df-tru 1544  df-fal 1554  df-ex 1786  df-nf 1790  df-sb 2071  df-mo 2541  df-eu 2570  df-clab 2717  df-cleq 2731  df-clel 2817  df-nfc 2890  df-ne 2945  df-nel 3051  df-ral 3070  df-rex 3071  df-rab 3074  df-v 3432  df-sbc 3720  df-csb 3837  df-dif 3894  df-un 3896  df-in 3898  df-ss 3908  df-nul 4262  df-if 4465  df-pw 4540  df-sn 4567  df-pr 4569  df-op 4573  df-uni 4845  df-br 5079  df-opab 5141  df-mpt 5162  df-id 5488  df-po 5502  df-so 5503  df-xp 5594  df-rel 5595  df-cnv 5596  df-co 5597  df-dm 5598  df-rn 5599  df-res 5600  df-ima 5601  df-iota 6388  df-fun 6432  df-fn 6433  df-f 6434  df-f1 6435  df-fo 6436  df-f1o 6437  df-fv 6438  df-ov 7271  df-oprab 7272  df-mpo 7273  df-er 8472  df-pm 8592  df-en 8708  df-dom 8709  df-sdom 8710  df-pnf 10995  df-mnf 10996  df-xr 10997  df-ltxr 10998  df-le 10999  df-rlim 15179
This theorem is referenced by:  rlimaddOLD  15334  rlimsub  15335  rlimmulOLD  15337
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