**DADS 2nd level index page**
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topological sort
topology tree
total function
totally decidable language: see decidable language
totally decidable problem: see decidable problem
totally undecidable problem
total order
tour: see Hamiltonian cycle
tournament
tournament sort
towers of Hanoi
tractable
transition
transition function
transitive
transitive closure
transitive reduction
transpose sequential search
traveling salesman
treap
tree
tree automaton
tree contraction
tree editing problem
treesort (1)