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Theorem posprs 18404
Description: A poset is a proset. (Contributed by Stefan O'Rear, 1-Feb-2015.)
Assertion
Ref Expression
posprs (𝐾 ∈ Poset → 𝐾 ∈ Proset )

Proof of Theorem posprs
Dummy variables 𝑥 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 eqid 2760 . . 3 (Base‘𝐾) = (Base‘𝐾)
2 eqid 2760 . . 3 (le‘𝐾) = (le‘𝐾)
31, 2ispos2 18403 . 2 (𝐾 ∈ Poset ↔ (𝐾 ∈ Proset ∧ ∀𝑥 ∈ (Base‘𝐾)∀𝑦 ∈ (Base‘𝐾)((𝑥(le‘𝐾)𝑦𝑦(le‘𝐾)𝑥) → 𝑥 = 𝑦)))
43simplbi 502 1 (𝐾 ∈ Poset → 𝐾 ∈ Proset )
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wi 4  wa 401  wcel 2145  wral 3076   class class class wbr 5103  cfv 6533  Basecbs 17301  lecple 17349   Proset cproset 18380  Posetcpo 18395
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 2147  ax-9 2155  ax-ext 2732  ax-nul 5263
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-sb 2100  df-clab 2739  df-cleq 2752  df-clel 2835  df-ne 2956  df-ral 3077  df-rex 3087  df-rab 3413  df-v 3452  df-sbc 3740  df-dif 3902  df-un 3904  df-ss 3916  df-nul 4280  df-if 4483  df-sn 4585  df-pr 4587  df-op 4591  df-uni 4868  df-br 5104  df-iota 6489  df-fv 6541  df-proset 18382  df-poset 18401
This theorem is used by:  posref  18406  isipodrs  18625  pwrssmgc  33440  mgcf1olem1  33441  mgcf1olem2  33442  mgcf1o  33443  nsgmgc  33841  ordtrest2NEWlem  34432  ordtrest2NEW  34433  ordtconnlem1  34434  exbasprs  49903  basresprsfo  49905  discbas  50498  discthin  50499
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