bowmoq https://blog.hatena.ne.jp/bowmoq/ いらずんば https://bowmoq.hatenadiary.org/ sicp わからないところは飛ばす！ 悩んでたってしょうがない！ というわけで3.28と3.29の解答 ;; ex 3.28 (define (or-gate a1 a2 output) (define (or-action-procedure) (let ((new-value (logical-or (get-signal a1) (get-signal a2)))) (after-delay or-gate-delay (lambda () (set-signal! output new-value))))) (add-action! a1 or-action-procedure) (add-ac… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbowmoq.hatenadiary.org%2Fentry%2F20090608%2F1244468736" title=" ex 3.28 3.29 - いらずんば" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2009-06-08 22:45:36 rich https://bowmoq.hatenadiary.org/entry/20090608/1244468736 1.0 100%