Comments on: Invert 3 signals using 2 NOT gates http://puzzletweeter.com/2016/02/09/invert-3-signals-using-2-not-gates/ Tweet your puzzles! Mon, 27 Jun 2016 18:15:01 +0000 hourly 1 https://wordpress.org/?v=4.4.2 By: Lizard http://puzzletweeter.com/2016/02/09/invert-3-signals-using-2-not-gates/#comment-7949 Mon, 27 Jun 2016 18:15:01 +0000 http://puzzletweeter.com/?p=1932#comment-7949 P123 = A or B or C
P23 = (A and B) or (A and C) or (B and C)
P3 = A and B and C

P01 = not P23
P1 = P01 and P123
P02 = not (P1 or P3)
P2 = P02 and P23
P0 = P01 and P02

NA = P0 or (P1 and (B or C)) or (P2 and B and C)
NB = P0 or (P1 and (A or C)) or (P2 and A and C)
NC = P0 or (P1 and (A or B)) or (P2 and A and B)

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