Theorem 5.1 (No-Free-Lunch): for every learner A and m < |X|/2 there is D over X × {0,1} with some L_D(f) = 0 and P_{S∼D^m}[L_D(A(S)) ≥ 1/8] ≥ 1/7

Initializing...

Theorem 5.1 (No-Free-Lunch): for every learner A and m < |X|/2 there is D over X × {0,1} with some L_D(f) = 0 and P_{S∼D^m}[L_D(A(S)) ≥ 1/8] ≥ 1/7 · Prove2Me