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Article #175

En slaks semiooolesk algebra

#175
From: Henn1ng Makholm
Date: Mon, 24 Oct 2005 19:26
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Jeg leder efter noget teori (og et navn) for en algebraisk struktur med
to kompositioner & og +, to udvalgte elementer 0 og 1, og aksiomerne

  a+b = b+a   (a+b)+c = a+(b+c)         a+0 = a         a+1 = 1   a+a = a
              (a&b)&c = a&(b&c)   0&a = a&0 = 0   1&a = a&1 = a   a&a = a
  a+(b&c) = (a+b)&(a+c)
  a&(b+c) = (a&b)+(a&c)
  (a+b)&c = (a&c)+(b&c)

Hvis & var kommutativ ville jeg have et distributivt gitter, men det
er den ikke..

Nogen forslag?
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Subject: En slaks semiooolesk algebra
From: Henn1ng Makholm
Message-ID: <vomMLDN2FHA.3740@winisp-ti82.winisp.net>
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Date: Mon, 24 Oct 2005 12:26:12 -0700
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