Users' Mathboxes Mathbox for Peter Mazsa < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  elec1cnvres Structured version   Visualization version   GIF version

Theorem elec1cnvres 38952
Description: Elementhood in the converse restricted coset of 𝐵. (Contributed by Peter Mazsa, 21-Sep-2018.)
Assertion
Ref Expression
elec1cnvres (𝐵𝑉 → (𝐶 ∈ [𝐵](𝑅𝐴) ↔ (𝐶𝐴𝐶𝑅𝐵)))

Proof of Theorem elec1cnvres
StepHypRef Expression
1 relcnv 6105 . . 3 Rel (𝑅𝐴)
2 relelec 8740 . . 3 (Rel (𝑅𝐴) → (𝐶 ∈ [𝐵](𝑅𝐴) ↔ 𝐵(𝑅𝐴)𝐶))
31, 2ax-mp 5 . 2 (𝐶 ∈ [𝐵](𝑅𝐴) ↔ 𝐵(𝑅𝐴)𝐶)
4 br1cnvres 38951 . 2 (𝐵𝑉 → (𝐵(𝑅𝐴)𝐶 ↔ (𝐶𝐴𝐶𝑅𝐵)))
53, 4bitrid 286 1 (𝐵𝑉 → (𝐶 ∈ [𝐵](𝑅𝐴) ↔ (𝐶𝐴𝐶𝑅𝐵)))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wi 4  wb 209  wa 400  wcel 2142   class class class wbr 5108  ccnv 5659  cres 5662  Rel wrel 5665  [cec 8690
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1824  ax-4 1838  ax-5 1939  ax-6 1996  ax-7 2037  ax-8 2144  ax-9 2152  ax-ext 2734  ax-sep 5256  ax-pr 5403
This proof depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1104  df-tru 1572  df-fal 1582  df-ex 1809  df-sb 2096  df-clab 2741  df-cleq 2754  df-clel 2837  df-ral 3079  df-rex 3089  df-rab 3416  df-v 3456  df-dif 3907  df-un 3909  df-in 3911  df-ss 3921  df-nul 4286  df-if 4487  df-sn 4589  df-pr 4591  df-op 4595  df-br 5109  df-opab 5173  df-xp 5666  df-rel 5667  df-cnv 5668  df-dm 5670  df-rn 5671  df-res 5672  df-ima 5673  df-ec 8694
This theorem is used by:  ec1cnvres  38953
  Copyright terms: Public domain W3C validator