Premise: The law of value ( German : Wertgesetz ) is a central concept in Karl Marx 's critique of political economy , first expounded in his polemic The Poverty of Philosophy ( 1847 ) against Pierre-Joseph Proudhon , with reference to David Ricardo 's economics.See Marx , The Poverty of Philosophy , chapter 1 part 2 where Marx refers to Proudhon 's own `` law of value '' and chapter 3 , titled `` Application of the Law of the Proportionality of Value '' .
Hypothesis: Law of value appeared in a polemic.
Label: ENTAILMENT