MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  fnfvrnss Structured version   Visualization version   GIF version

Theorem fnfvrnss 7153
Description: An upper bound for range determined by function values. (Contributed by NM, 8-Oct-2004.)
Assertion
Ref Expression
fnfvrnss ((𝐹 Fn 𝐴 ∧ ∀𝑥 ∈ 𝐴 (𝐹‘𝑥) ∈ 𝐵) → ran 𝐹 ⊆ 𝐵)
Distinct variable groups:   𝑥,𝐴   𝑥,𝐵   𝑥,𝐹

Proof of Theorem fnfvrnss
StepHypRef Expression
1 ffnfv 7151 . 2 (𝐹:𝐴⟶𝐵 ↔ (𝐹 Fn 𝐴 ∧ ∀𝑥 ∈ 𝐴 (𝐹‘𝑥) ∈ 𝐵))
2 frn 6747 . 2 (𝐹:𝐴⟶𝐵 → ran 𝐹 ⊆ 𝐵)
31, 2sylbir 238 1 ((𝐹 Fn 𝐴 ∧ ∀𝑥 ∈ 𝐴 (𝐹‘𝑥) ∈ 𝐵) → ran 𝐹 ⊆ 𝐵)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   ∧ wa 401   ∈ wcel 2147  ∀wral 3080   ⊆ wss 3900  ran crn 5659   Fn wfn 6561  ⟶wf 6562  ‘cfv 6566
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1945  ax-6 2002  ax-7 2043  ax-8 2149  ax-9 2157  ax-10 2180  ax-11 2197  ax-12 2216  ax-ext 2735  ax-sep 5255  ax-nul 5266  ax-pr 5398
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2102  df-mo 2567  df-eu 2597  df-clab 2742  df-cleq 2755  df-clel 2839  df-nfc 2913  df-ne 2960  df-ral 3081  df-rex 3091  df-rab 3417  df-v 3456  df-ss 3901  df-dif 4050  df-in 4094  df-un 4154  df-nul 4282  df-if 4486  df-sn 4589  df-pr 4591  df-op 4841  df-uni 4873  df-br 5109  df-opab 5174  df-mpt 5193  df-id 5553  df-xp 5664  df-rel 5665  df-cnv 5666  df-co 5667  df-dm 5668  df-rn 5669  df-iota 6520  df-fun 6568  df-fn 6569  df-f 6570  df-fv 6574
This theorem is used by:  ffvresb  7158  dffi3  9460  infxpenlem  10131  alephsing  10393  seqexw  14200  sgnrn  15294  mgmn0plusgf  18877  srgfcl  20473  mplind  22434  1stckgenlem  23927  psmetxrge0  24687  plyreres  26659  aannenlem1  26712  bdayn0sf1o  28813  dfnns2  28815  subuhgr  29924  subupgr  29925  subumgr  29926  subusgr  29927  elrspunidl  34082  rmulccn  34671  esumfsup  34813  sxbrsigalem3  35015  sitgf  35090  ctbssinf  38597  dihf11lem  42589  hdmaprnN  43187  hgmaprnN  43224  ofoafg  44617  naddcnff  44625  ntrrn  45383  mnurndlem1  45526  volicoff  47278  dirkercncflem2  47387  fourierdlem15  47405  fourierdlem42  47432  tmachlem-extpcover  48228  grimuhgr  49258  slotresfo  50344
  Copyright terms: Public domain W3C validator