Users' Mathboxes Mathbox for Peter Mazsa < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  brcnvssr Structured version   Visualization version   GIF version

Theorem brcnvssr 36603
Description: The converse of a subset relation swaps arguments. (Contributed by Peter Mazsa, 1-Aug-2019.)
Assertion
Ref Expression
brcnvssr (𝐴𝑉 → (𝐴 S 𝐵𝐵𝐴))

Proof of Theorem brcnvssr
StepHypRef Expression
1 relssr 36597 . . 3 Rel S
21relbrcnv 6012 . 2 (𝐴 S 𝐵𝐵 S 𝐴)
3 brssr 36598 . 2 (𝐴𝑉 → (𝐵 S 𝐴𝐵𝐴))
42, 3syl5bb 282 1 (𝐴𝑉 → (𝐴 S 𝐵𝐵𝐴))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 205  wcel 2109  wss 3891   class class class wbr 5078  ccnv 5587   S cssr 36315
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1801  ax-4 1815  ax-5 1916  ax-6 1974  ax-7 2014  ax-8 2111  ax-9 2119  ax-ext 2710  ax-sep 5226  ax-nul 5233  ax-pr 5355
This theorem depends on definitions:  df-bi 206  df-an 396  df-or 844  df-3an 1087  df-tru 1544  df-fal 1554  df-ex 1786  df-sb 2071  df-clab 2717  df-cleq 2731  df-clel 2817  df-ral 3070  df-rex 3071  df-rab 3074  df-v 3432  df-dif 3894  df-un 3896  df-in 3898  df-ss 3908  df-nul 4262  df-if 4465  df-sn 4567  df-pr 4569  df-op 4573  df-br 5079  df-opab 5141  df-xp 5594  df-rel 5595  df-cnv 5596  df-ssr 36595
This theorem is referenced by:  brcnvssrid  36604  br1cossxrncnvssrres  36605  dfcnvrefrels2  36623  dfcnvrefrels3  36624
  Copyright terms: Public domain W3C validator