theorem Th141: :: GLIB_006:137

for G2 being _Graph
for v1 being Vertex of G2
for e being object
for v2 being set
for G1 being addAdjVertex of G2,v1,e,v2 st not e in the_Edges_of G2 & not v2 in the_Vertices_of G2 holds
G2 is removeVertex of G1,v2