Users' Mathboxes Mathbox for Eric Schmidt < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  brpermmodelcnv Structured version   Visualization version   GIF version

Theorem brpermmodelcnv 45771
Description: Ordinary membership expressed in terms of the permutation model's membership relation. (Contributed by Eric Schmidt, 6-Nov-2025.)
Hypotheses
Ref Expression
permmodel.1 𝐹:V–1-1-onto→V
permmodel.2 𝑅 = (𝐹 ∘ E )
brpermmodel.3 𝐴 ∈ V
brpermmodel.4 𝐵 ∈ V
Assertion
Ref Expression
brpermmodelcnv (𝐴𝑅(𝐹𝐵) ↔ 𝐴𝐵)

Proof of Theorem brpermmodelcnv
StepHypRef Expression
1 permmodel.1 . . 3 𝐹:V–1-1-onto→V
2 permmodel.2 . . 3 𝑅 = (𝐹 ∘ E )
3 brpermmodel.3 . . 3 𝐴 ∈ V
4 fvex 6898 . . 3 (𝐹𝐵) ∈ V
51, 2, 3, 4brpermmodel 45770 . 2 (𝐴𝑅(𝐹𝐵) ↔ 𝐴 ∈ (𝐹‘(𝐹𝐵)))
6 brpermmodel.4 . . . 4 𝐵 ∈ V
7 f1ocnvfv2 7284 . . . 4 ((𝐹:V–1-1-onto→V ∧ 𝐵 ∈ V) → (𝐹‘(𝐹𝐵)) = 𝐵)
81, 6, 7mp2an 705 . . 3 (𝐹‘(𝐹𝐵)) = 𝐵
98eleq2i 2857 . 2 (𝐴 ∈ (𝐹‘(𝐹𝐵)) ↔ 𝐴𝐵)
105, 9bitri 278 1 (𝐴𝑅(𝐹𝐵) ↔ 𝐴𝐵)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wb 209   = wceq 1570  wcel 2146  Vcvv 3457   class class class wbr 5111   E cep 5562  ccnv 5662  ccom 5667  1-1-ontowf1o 6539  cfv 6540
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2148  ax-9 2156  ax-10 2179  ax-11 2195  ax-12 2216  ax-ext 2737  ax-sep 5259  ax-nul 5271  ax-pr 5406
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2100  df-mo 2569  df-eu 2599  df-clab 2744  df-cleq 2757  df-clel 2840  df-ne 2961  df-ral 3082  df-rex 3092  df-rab 3419  df-v 3459  df-dif 3909  df-un 3911  df-in 3913  df-ss 3923  df-nul 4287  df-if 4490  df-sn 4592  df-pr 4594  df-op 4598  df-uni 4875  df-br 5112  df-opab 5176  df-id 5558  df-eprel 5563  df-xp 5669  df-rel 5670  df-cnv 5671  df-co 5672  df-dm 5673  df-rn 5674  df-res 5675  df-ima 5676  df-iota 6496  df-fun 6542  df-fn 6543  df-f 6544  df-f1 6545  df-fo 6546  df-f1o 6547  df-fv 6548
This theorem is used by:  permaxsep  45774  permaxnul  45775  permaxpow  45776  permaxpr  45777  permaxun  45778  permaxinf2lem  45779  permac8prim  45781
  Copyright terms: Public domain W3C validator