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Theorem fnfvrnss 7062
Description: An upper bound for range determined by function values. (Contributed by NM, 8-Oct-2004.)
Assertion
Ref Expression
fnfvrnss ((𝐹 Fn 𝐴 ∧ ∀𝑥𝐴 (𝐹𝑥) ∈ 𝐵) → ran 𝐹𝐵)
Distinct variable groups:   𝑥,𝐴   𝑥,𝐵   𝑥,𝐹

Proof of Theorem fnfvrnss
StepHypRef Expression
1 ffnfv 7060 . 2 (𝐹:𝐴𝐵 ↔ (𝐹 Fn 𝐴 ∧ ∀𝑥𝐴 (𝐹𝑥) ∈ 𝐵))
2 frn 6662 . 2 (𝐹:𝐴𝐵 → ran 𝐹𝐵)
31, 2sylbir 236 1 ((𝐹 Fn 𝐴 ∧ ∀𝑥𝐴 (𝐹𝑥) ∈ 𝐵) → ran 𝐹𝐵)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 396  wcel 2119  wral 3053  wss 3883  ran crn 5619   Fn wfn 6480  wf 6481  cfv 6485
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1802  ax-4 1816  ax-5 1917  ax-6 1974  ax-7 2015  ax-8 2121  ax-9 2129  ax-10 2152  ax-11 2168  ax-12 2189  ax-ext 2711  ax-sep 5218  ax-nul 5228  ax-pr 5362
This theorem depends on definitions:  df-bi 208  df-an 397  df-or 854  df-3an 1094  df-tru 1550  df-fal 1560  df-ex 1787  df-nf 1791  df-sb 2074  df-mo 2543  df-eu 2573  df-clab 2718  df-cleq 2731  df-clel 2814  df-nfc 2888  df-ne 2935  df-ral 3054  df-rex 3064  df-rab 3392  df-v 3433  df-dif 3886  df-un 3888  df-in 3890  df-ss 3900  df-nul 4262  df-if 4455  df-sn 4556  df-pr 4558  df-op 4562  df-uni 4839  df-br 5073  df-opab 5135  df-mpt 5154  df-id 5513  df-xp 5624  df-rel 5625  df-cnv 5626  df-co 5627  df-dm 5628  df-rn 5629  df-iota 6441  df-fun 6487  df-fn 6488  df-f 6489  df-fv 6493
This theorem is referenced by:  ffvresb  7067  dffi3  9334  infxpenlem  9926  alephsing  10189  seqexw  13970  srgfcl  20168  mplind  22046  1stckgenlem  23536  psmetxrge0  24296  plyreres  26267  aannenlem1  26312  bdayn0sf1o  28380  dfnns2  28382  subuhgr  29373  subupgr  29374  subumgr  29375  subusgr  29376  elrspunidl  33511  rmulccn  34112  esumfsup  34254  sxbrsigalem3  34456  sitgf  34531  ctbssinf  37768  dihf11lem  41758  hdmaprnN  42356  hgmaprnN  42393  ofoafg  43799  naddcnff  43807  ntrrn  44566  mnurndlem1  44725  volicoff  46438  dirkercncflem2  46547  fourierdlem15  46565  fourierdlem42  46592  grimuhgr  48378  slotresfo  49389
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