MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  psrel Structured version   Visualization version   GIF version

Theorem psrel 17515
Description: A poset is a relation. (Contributed by NM, 12-May-2008.)
Assertion
Ref Expression
psrel (𝐴 ∈ PosetRel → Rel 𝐴)

Proof of Theorem psrel
StepHypRef Expression
1 isps 17514 . . 3 (𝐴 ∈ PosetRel → (𝐴 ∈ PosetRel ↔ (Rel 𝐴 ∧ (𝐴𝐴) ⊆ 𝐴 ∧ (𝐴𝐴) = ( I ↾ 𝐴))))
21ibi 259 . 2 (𝐴 ∈ PosetRel → (Rel 𝐴 ∧ (𝐴𝐴) ⊆ 𝐴 ∧ (𝐴𝐴) = ( I ↾ 𝐴)))
32simp1d 1173 1 (𝐴 ∈ PosetRel → Rel 𝐴)
Colors of variables: wff setvar class
Syntax hints:  wi 4  w3a 1108   = wceq 1653  wcel 2157  cin 3766  wss 3767   cuni 4626   I cid 5217  ccnv 5309  cres 5312  ccom 5314  Rel wrel 5315  PosetRelcps 17510
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1891  ax-4 1905  ax-5 2006  ax-6 2072  ax-7 2107  ax-9 2166  ax-10 2185  ax-11 2200  ax-12 2213  ax-13 2354  ax-ext 2775
This theorem depends on definitions:  df-bi 199  df-an 386  df-or 875  df-3an 1110  df-tru 1657  df-ex 1876  df-nf 1880  df-sb 2065  df-clab 2784  df-cleq 2790  df-clel 2793  df-nfc 2928  df-rex 3093  df-v 3385  df-in 3774  df-ss 3781  df-uni 4627  df-br 4842  df-opab 4904  df-xp 5316  df-rel 5317  df-cnv 5318  df-co 5319  df-res 5322  df-ps 17512
This theorem is referenced by:  pslem  17518  cnvps  17524  psss  17526  cnvtsr  17534  tsrdir  17550
  Copyright terms: Public domain W3C validator