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Theorem funrnex 6212
Description: If the domain of a function exists, so does its range. Part of Theorem 4.15(v) of [Monk1] p. 46. This theorem is derived using the Axiom of Replacement in the form of funex 5820. (Contributed by NM, 11-Nov-1995.)
Assertion
Ref Expression
funrnex (dom 𝐹𝐵 → (Fun 𝐹 → ran 𝐹 ∈ V))

Proof of Theorem funrnex
StepHypRef Expression
1 funex 5820 . . 3 ((Fun 𝐹 ∧ dom 𝐹𝐵) → 𝐹 ∈ V)
21ex 115 . 2 (Fun 𝐹 → (dom 𝐹𝐵𝐹 ∈ V))
3 rnexg 4952 . 2 (𝐹 ∈ V → ran 𝐹 ∈ V)
42, 3syl6com 35 1 (dom 𝐹𝐵 → (Fun 𝐹 → ran 𝐹 ∈ V))
Colors of variables: wff set class
Syntax hints:  wi 4  wcel 2177  Vcvv 2773  dom cdm 4683  ran crn 4684  Fun wfun 5274
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 711  ax-5 1471  ax-7 1472  ax-gen 1473  ax-ie1 1517  ax-ie2 1518  ax-8 1528  ax-10 1529  ax-11 1530  ax-i12 1531  ax-bndl 1533  ax-4 1534  ax-17 1550  ax-i9 1554  ax-ial 1558  ax-i5r 1559  ax-13 2179  ax-14 2180  ax-ext 2188  ax-coll 4167  ax-sep 4170  ax-pow 4226  ax-pr 4261  ax-un 4488
This theorem depends on definitions:  df-bi 117  df-3an 983  df-tru 1376  df-nf 1485  df-sb 1787  df-eu 2058  df-mo 2059  df-clab 2193  df-cleq 2199  df-clel 2202  df-nfc 2338  df-ral 2490  df-rex 2491  df-reu 2492  df-rab 2494  df-v 2775  df-sbc 3003  df-csb 3098  df-un 3174  df-in 3176  df-ss 3183  df-pw 3623  df-sn 3644  df-pr 3645  df-op 3647  df-uni 3857  df-iun 3935  df-br 4052  df-opab 4114  df-mpt 4115  df-id 4348  df-xp 4689  df-rel 4690  df-cnv 4691  df-co 4692  df-dm 4693  df-rn 4694  df-res 4695  df-ima 4696  df-iota 5241  df-fun 5282  df-fn 5283  df-f 5284  df-f1 5285  df-fo 5286  df-f1o 5287  df-fv 5288
This theorem is referenced by:  focdmex  6213
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