Exercise 3.29 An or-gate as a compound digital logic device
Marat

Code Review

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    (define (or-gate a1 a2 output)
  (define b1 (make-wire))
  (define b2 (make-wire))
  (define c (make-wire))
  
  (inverter a1 b1)
  (inverter a2 b2)
  (and-gate b1 b2 c)
  (inverter c output)
  'ok)