le uh plausibly justified uh prescription plausible prescription 'm going start first talking mystical experiences want talk first notion plausibility um 'm invoking justifiable invoke first want get clear really important plausibility 'm going take something people would find far mystical experience transformation show much depends possibility namely scientific experimentation okay contemporary thinking critical functioning yep 's problem face 're going scientist well-established thing 's lots existing argument 'll give intuitive always working finite data sets course think non-controversial science point going back reichenbach finite data set 's indefinitely large number equally logically good theories explaining course one problems uh 's called determination problem um 's non-controversial many people talk um well wow gather evidence shift new finite data set new set right actually uh kicks road issue address ca n't test theories combinatorial explosive following things yet another instance know indispensability relevance realization people lots consensus around idea scientists something like inference best explanation grasp take hold sort best 'll come back sec best theories compete explain data put sort tests elegance fruitfulness clarity etc inference b