lg-edge(g;a;b) ==  (a  lg-in-edges(g;b))



Definitions :  l_member: (x  l) lg-in-edges: lg-in-edges(g;x) int:
FDL editor aliases :  lg-edge

lg-edge(g;a;b)  ==    (a  \mmember{}  lg-in-edges(g;b))


Date html generated: 2010_08_27-PM-03_41_22
Last ObjectModification: 2010_05_27-PM-01_15_48

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