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Theorem cvnreft 10213
Description: The covering relation is not reflexive.
Assertion
Ref Expression
cvnreft |- (A e. CH -> -. A <o A)

Proof of Theorem cvnreft
StepHypRef Expression
1 cvnsymt 10212 . . 3 |- ((A e. CH /\ A e. CH) -> (A <o A -> -. A <o A))
21anidms 436 . 2 |- (A e. CH -> (A <o A -> -. A <o A))
32pm2.01d 89 1 |- (A e. CH -> -. A <o A)
Colors of variables: wff set class
Syntax hints:  -. wn 2   -> wi 3   e. wcel 960   class class class wbr 2624  CHcch 8793   <o ccv 8829
This theorem was proved from axioms:  ax-1 4  ax-2 5  ax-3 6  ax-mp 7  ax-7 964  ax-gen 965  ax-8 966  ax-10 968  ax-11 969  ax-12 970  ax-13 971  ax-14 972  ax-17 973  ax-4 975  ax-5o 977  ax-6o 980  ax-9o 1125  ax-10o 1142  ax-16 1212  ax-11o 1220  ax-ext 1462  ax-sep 2708  ax-pow 2748  ax-pr 2785
This theorem depends on definitions:  df-bi 147  df-or 224  df-an 225  df-ex 983  df-sb 1174  df-eu 1384  df-mo 1385  df-clab 1467  df-cleq 1472  df-clel 1475  df-ne 1590  df-rex 1653  df-v 1815  df-dif 2052  df-un 2053  df-in 2054  df-ss 2056  df-pss 2058  df-nul 2284  df-pw 2406  df-sn 2416  df-pr 2417  df-op 2420  df-br 2625  df-opab 2672  df-cv 10201
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