set T = the inducedSubgraph of G,(G .AdjacentSet S);
the inducedSubgraph of G,(G .AdjacentSet S) is Subgraph of G ;
hence ( S is Subset of (the_Vertices_of G) implies ex b1 being Subgraph of G st b1 is inducedSubgraph of G,(G .AdjacentSet S) ) ; :: thesis: verum