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Theorem brelrng 5276
 Description: The second argument of a binary relation belongs to its range. (Contributed by NM, 29-Jun-2008.)
Assertion
Ref Expression
brelrng ((𝐴𝐹𝐵𝐺𝐴𝐶𝐵) → 𝐵 ∈ ran 𝐶)

Proof of Theorem brelrng
StepHypRef Expression
1 brcnvg 5225 . . . . 5 ((𝐵𝐺𝐴𝐹) → (𝐵𝐶𝐴𝐴𝐶𝐵))
21ancoms 468 . . . 4 ((𝐴𝐹𝐵𝐺) → (𝐵𝐶𝐴𝐴𝐶𝐵))
32biimp3ar 1425 . . 3 ((𝐴𝐹𝐵𝐺𝐴𝐶𝐵) → 𝐵𝐶𝐴)
4 breldmg 5252 . . . 4 ((𝐵𝐺𝐴𝐹𝐵𝐶𝐴) → 𝐵 ∈ dom 𝐶)
543com12 1261 . . 3 ((𝐴𝐹𝐵𝐺𝐵𝐶𝐴) → 𝐵 ∈ dom 𝐶)
63, 5syld3an3 1363 . 2 ((𝐴𝐹𝐵𝐺𝐴𝐶𝐵) → 𝐵 ∈ dom 𝐶)
7 df-rn 5049 . 2 ran 𝐶 = dom 𝐶
86, 7syl6eleqr 2699 1 ((𝐴𝐹𝐵𝐺𝐴𝐶𝐵) → 𝐵 ∈ ran 𝐶)
 Colors of variables: wff setvar class Syntax hints:   → wi 4   ↔ wb 195   ∧ w3a 1031   ∈ wcel 1977   class class class wbr 4583  ◡ccnv 5037  dom cdm 5038  ran crn 5039 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1713  ax-4 1728  ax-5 1827  ax-6 1875  ax-7 1922  ax-9 1986  ax-10 2006  ax-11 2021  ax-12 2034  ax-13 2234  ax-ext 2590  ax-sep 4709  ax-nul 4717  ax-pr 4833 This theorem depends on definitions:  df-bi 196  df-or 384  df-an 385  df-3an 1033  df-tru 1478  df-ex 1696  df-nf 1701  df-sb 1868  df-eu 2462  df-mo 2463  df-clab 2597  df-cleq 2603  df-clel 2606  df-nfc 2740  df-rab 2905  df-v 3175  df-dif 3543  df-un 3545  df-in 3547  df-ss 3554  df-nul 3875  df-if 4037  df-sn 4126  df-pr 4128  df-op 4132  df-br 4584  df-opab 4644  df-cnv 5046  df-dm 5048  df-rn 5049 This theorem is referenced by:  brelrn  5277  relelrn  5280  sossfld  5499  fvrn0  6126  pgpfaclem1  18303  perpln2  25406
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