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Theorem cnvresrn 34458
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 5260 . . 3 ran 𝑅 = dom 𝑅
21reseq2i 5531 . 2 (𝑅 ↾ ran 𝑅) = (𝑅 ↾ dom 𝑅)
3 relcnv 5644 . . 3 Rel 𝑅
4 dfrel5 34456 . . 3 (Rel 𝑅 ↔ (𝑅 ↾ dom 𝑅) = 𝑅)
53, 4mpbi 220 . 2 (𝑅 ↾ dom 𝑅) = 𝑅
62, 5eqtri 2793 1 (𝑅 ↾ ran 𝑅) = 𝑅
Colors of variables: wff setvar class
Syntax hints:   = wceq 1631  ccnv 5248  dom cdm 5249  ran crn 5250  cres 5251  Rel wrel 5254
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1870  ax-4 1885  ax-5 1991  ax-6 2057  ax-7 2093  ax-9 2154  ax-10 2174  ax-11 2190  ax-12 2203  ax-13 2408  ax-ext 2751  ax-sep 4915  ax-nul 4923  ax-pr 5034
This theorem depends on definitions:  df-bi 197  df-an 383  df-or 835  df-3an 1073  df-tru 1634  df-ex 1853  df-nf 1858  df-sb 2050  df-eu 2622  df-mo 2623  df-clab 2758  df-cleq 2764  df-clel 2767  df-nfc 2902  df-ral 3066  df-rex 3067  df-rab 3070  df-v 3353  df-dif 3726  df-un 3728  df-in 3730  df-ss 3737  df-nul 4064  df-if 4226  df-sn 4317  df-pr 4319  df-op 4323  df-br 4787  df-opab 4847  df-xp 5255  df-rel 5256  df-cnv 5257  df-dm 5259  df-rn 5260  df-res 5261
This theorem is referenced by:  alrmomorn  34465
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