4: Graph Theory Last updated Sep 3, 2021 Save as PDF 3.4: Verifying Arguments 4.1: Graphs Page ID52863 David LippmanPierce College via The OpenTextBookStore ( \newcommand{\kernel}{\mathrm{null}\,}\) 4.1: Graphs4.2: Hamiltonian Circuits and the Traveling Salesman Problem4.3: Shortest Path4.4: Spanning Trees