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Theorem socnv 36653
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 6294 . 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 5558  ◡ccnv 5650
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1942  ax-6 1999  ax-7 2040  ax-8 2146  ax-9 2154  ax-10 2177  ax-11 2193  ax-12 2212  ax-ext 2732  ax-sep 5248  ax-pr 5391
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3or 1104  df-3an 1105  df-tru 1572  df-fal 1582  df-ex 1812  df-nf 1816  df-sb 2099  df-clab 2739  df-cleq 2752  df-clel 2835  df-ne 2956  df-ral 3077  df-rab 3413  df-v 3452  df-ss 3897  df-dif 4046  df-in 4090  df-un 4150  df-nul 4278  df-if 4482  df-sn 4585  df-pr 4587  df-op 4835  df-br 5103  df-opab 5167  df-po 5559  df-so 5560  df-cnv 5659
This theorem is used by: (None)
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