Users' Mathboxes Mathbox for Scott Fenton < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  socnv Structured version   Visualization version   GIF version

Theorem socnv 36744
Description: The converse of a strict ordering is still a strict ordering. (Contributed by Scott Fenton, 13-Jun-2018.)
Assertion
Ref Expression
socnv (𝑅 Or 𝐴 → ◡𝑅 Or 𝐴)

Proof of Theorem socnv
StepHypRef Expression
1 cnvso 6315 . 2 (𝑅 Or 𝐴 ↔ ◡𝑅 Or 𝐴)
21biimpi 219 1 (𝑅 Or 𝐴 → ◡𝑅 Or 𝐴)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   Or wor 5565  ◡ccnv 5657
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 1945  ax-6 2002  ax-7 2043  ax-8 2149  ax-9 2157  ax-10 2180  ax-11 2197  ax-12 2216  ax-ext 2735  ax-sep 5255  ax-pr 5398
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3or 1104  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2102  df-clab 2742  df-cleq 2755  df-clel 2839  df-ne 2960  df-ral 3081  df-rab 3417  df-v 3456  df-ss 3901  df-dif 4050  df-in 4094  df-un 4154  df-nul 4282  df-if 4486  df-sn 4589  df-pr 4591  df-op 4841  df-br 5109  df-opab 5174  df-po 5566  df-so 5567  df-cnv 5666
This theorem is used by: (None)
  Copyright terms: Public domain W3C validator