theorem Th136: :: GLIB_006:132

for G2 being _Graph
for v1, e being object
for v2 being Vertex of G2
for G1 being addAdjVertex of G2,v1,e,v2 st not v1 in the_Vertices_of G2 & not e in the_Edges_of G2 holds
( e DJoins v1,v2,G1 & e Joins v1,v2,G1 )