Abstract.Specicationformalismsinwhichcausalityandindependenceof
来源：六九路网
aababaabccbb(a)(b)(c)(d)(e)vwa1a(v,1)axyza⊕{c}c1b23c(x,*)ab(*,1)x2yz=y(z,3)b⊕{a,b,c}23c=w2(z,3)yccc(b)(a)a1aw(v,1)vwxyzab⊕{a,c}23c=(x,*)yb2c(c)(z,3)cxabvw1c(x,*)a(y,2)(*,1)c(v,*)b(w,2)(a)yzjoin23=dd(z,3)dxaa1e(x,*)a(b)yxcouple(x,e)2ab=(y,1)(*,2)b(x,*)xaavab1eab(v,*)(w,1)(c)ycouple(x,e)xwx2ac=(y,1)(*,2)caeaaaaa(a)aa(b)aa(c)b(d)b(e)x(f)x(g){e,x}x(h)(i)aa(j)aa(k)abababababc(a)c(b)c(c)c(d)c(e)abababab(d)(a)(b)(c)ababadcccb(a)(b)(c)aaa. . . . . . .