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Theorem cnvresrn 38562
Description: Converse restricted to range is converse. (Contributed by Peter Mazsa, 3-Sep-2021.)
Assertion
Ref Expression
cnvresrn (𝑅 ↾ ran 𝑅) = 𝑅

Proof of Theorem cnvresrn
StepHypRef Expression
1 df-rn 5636 . . 3 ran 𝑅 = dom 𝑅
21reseq2i 5936 . 2 (𝑅 ↾ ran 𝑅) = (𝑅 ↾ dom 𝑅)
3 relcnv 6064 . . 3 Rel 𝑅
4 dfrel5 38560 . . 3 (Rel 𝑅 ↔ (𝑅 ↾ dom 𝑅) = 𝑅)
53, 4mpbi 230 . 2 (𝑅 ↾ dom 𝑅) = 𝑅
62, 5eqtri 2760 1 (𝑅 ↾ ran 𝑅) = 𝑅
Colors of variables: wff setvar class
Syntax hints:   = wceq 1542  ccnv 5624  dom cdm 5625  ran crn 5626  cres 5627  Rel wrel 5630
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-ext 2709  ax-sep 5242  ax-nul 5252  ax-pr 5378
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-sb 2069  df-clab 2716  df-cleq 2729  df-clel 2812  df-ral 3053  df-rex 3062  df-rab 3401  df-v 3443  df-dif 3905  df-un 3907  df-in 3909  df-ss 3919  df-nul 4287  df-if 4481  df-sn 4582  df-pr 4584  df-op 4588  df-br 5100  df-opab 5162  df-xp 5631  df-rel 5632  df-cnv 5633  df-dm 5635  df-rn 5636  df-res 5637
This theorem is referenced by:  alrmomorn  38572
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