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Definition df-nots 26012
Description: Definition of the symbol  -.. Experimental. (Contributed by FL, 2-Feb-2014.)
Assertion
Ref Expression
df-nots  |-  -. c  =  { <. 1 ,  1
>. }

Detailed syntax breakdown of Definition df-nots
StepHypRef Expression
1 cnots 26011 . 2  class  -. c
2 c1 8738 . . . 4  class  1
32, 2cop 3643 . . 3  class  <. 1 ,  1 >.
43csn 3640 . 2  class  { <. 1 ,  1 >. }
51, 4wceq 1623 1  wff  -. c  =  { <. 1 ,  1
>. }
Colors of variables: wff set class
This definition is referenced by:  fnckle  26045
  Copyright terms: Public domain W3C validator