**TI82** TxtView file generated by CalcText - Kouri boole ÿalgèbre de booleCommutativités -------------------------- a + b = b + a a . b = b . a -------------------------- éléments neutres -------------------------- a + 0 = a a . 1 = a --------------------------distributivités -------------------------- a + b . c = (a+b).(a+c) a .(b + c)= a.b + a.c --------------------------tiers exclu non contradict -------------------------- a + à = 1 a . à = 0 --------------------------involution -------------------------- a(double barre) = a --------------------------elements absorbants --------------------------a + 1 = 1 a . 0 = 0 --------------------------indempotence -------------------------- a + a = a a . a = a --------------------------Lois Morgan -------------------------- a+b(barre)=à.b(barre) a.b(barre)=à+b(barre) -------------------------- Absopotions --------------------------a + a.b = a a .(a+b)=a --------------------------Associativités --------------------------(a+b)+c = a+(b+c) (a.b).c = a.(b.c)ÿè