,NEG,N 7US+ TILDE7
           ,EXAMPLES

#1_4 ,! NEG,N ( ;P, R1D N ;P, IS
  WRITT5 @:P
#2_4 ,! NEG,N (! NEG,N ( ;Q, R1D
  N N ;Q, IS WRITT5 @:"@:Q
#3_4 ,! 4JUNC;N 2T ! NEG,N ( ;P
  & ;Q, R1D N ;P OR ;Q, IS
  WRITT5 @:P@+Q
#4_4 ,! NEG,N (! 3JUNC;N ( ;P &
  ;Q, R1D N OP5 P>5!SES ;P & ;Q
  CLOSE P>5!SIS IS WRITT5
  @:(P@%Q)










                              #A