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Theorem dfrn6 38295
Description: Alternate definition of range. (Contributed by Peter Mazsa, 1-Aug-2018.)
Assertion
Ref Expression
dfrn6 ran 𝑅 = {𝑥 ∣ [𝑥]𝑅 ≠ ∅}
Distinct variable group:   𝑥,𝑅

Proof of Theorem dfrn6
StepHypRef Expression
1 df-rn 5634 . 2 ran 𝑅 = dom 𝑅
2 dfdm6 38294 . 2 dom 𝑅 = {𝑥 ∣ [𝑥]𝑅 ≠ ∅}
31, 2eqtri 2752 1 ran 𝑅 = {𝑥 ∣ [𝑥]𝑅 ≠ ∅}
Colors of variables: wff setvar class
Syntax hints:   = wceq 1540  {cab 2707  wne 2925  c0 4286  ccnv 5622  dom cdm 5623  ran crn 5624  [cec 8630
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2701  ax-sep 5238  ax-nul 5248  ax-pr 5374
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-clab 2708  df-cleq 2721  df-clel 2803  df-ne 2926  df-ral 3045  df-rex 3054  df-rab 3397  df-v 3440  df-dif 3908  df-un 3910  df-in 3912  df-ss 3922  df-nul 4287  df-if 4479  df-sn 4580  df-pr 4582  df-op 4586  df-br 5096  df-opab 5158  df-xp 5629  df-cnv 5631  df-dm 5633  df-rn 5634  df-res 5635  df-ima 5636  df-ec 8634
This theorem is referenced by:  rnxrn  38389
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