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11:57 ECS 220 8c:8.6-1 Reachability expressed… ECS 220 8c:8.6-1 Reachability expressed logically, and as a game between prover and skeptic	ECS 220 8c:8.6-1 Reachability expressed logically, and as a game between prover and skeptic edge path nodes length reachability phi midpoint size quantifiers input steps graph string idea space witnesses step b1 a1 skeptic From David Doty 0 likes 17 plays 0
07:33 ECS 220 8a:8.1-3 relationship of time and… ECS 220 8a:8.1-3 relationship of time and space-bounded complexity classes	ECS 220 8a:8.1-3 relationship of time and space-bounded complexity classes space tape algorithm length configuration turing np memory computation hierarchy witness verifier witnesses problems complexity usage configurations problem words subset From David Doty 0 likes 29 plays 0
04:10 ECS 220 2b:4.3-3 problems not obviously in NP ECS 220 2b:4.3-3 problems not obviously in NP	ECS 220 2b:4.3-3 problems not obviously in NP np problem integers size solution integer equation proof inequalities circuit function graph path variables equations linear witnesses bits answer question From David Doty 0 likes 30 plays 0
02:00 ECS 220 2b:4.3-2 NTIME(t(n)) ECS 220 2b:4.3-2 NTIME(t(n))	ECS 220 2b:4.3-2 NTIME(t(n)) definition running witnesses poly union t. polynomial np n. times argument kind exp class sea end words nx polynomials mind From David Doty 0 likes 31 plays 0
09:56 ECS 120 8a:1 exponential-time algorithms for NP… ECS 120 8a:1 exponential-time algorithms for NP problems	ECS 120 8a:1 exponential-time algorithms for NP problems verifier np length problem k. string path witness end times sum algorithm x. subset decider input language definition witnesses power From David Doty 0 likes 253 plays 0