lg-in-edges(g;x) ==  fst(snd(g[x]))
Definitions : 
pi1: fst(t), 
pi2: snd(t), 
select: l[i]
FDL editor aliases : 
lg-in-edges
lg-in-edges(g;x)  ==    fst(snd(g[x]))
Date html generated:
2010_08_27-PM-03_41_06
Last ObjectModification:
2010_05_06-PM-02_08_13
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