
theorem Th24:
  for G being _Graph, v being Vertex of G
  holds G.walkOf(v).edgeSeq() = <*>the_Edges_of G
proof
  let G be _Graph, v be Vertex of G;
  set W = G.walkOf(v);
  len W = 2*len W.edgeSeq()+1 by GLIB_001:def 15;
  then 1-1 = 2*len W.edgeSeq()+1-1 by GLIB_001:13;
  hence thesis;
end;
