Assertion: materialism's theory | /r/HasProperty | observed
Facets:
Source sentences:
text: Hence, if in different periods of the history of society different social ideas, theories, views and political institutions are to be observed; if under the slave system we encounter certain social ideas, theories, views and political institutions, under feudalism others, and under capitalism others still, this is not to be explained by the "nature", the "properties" of the ideas, theories, views and political institutions themselves but by the different conditions of the material life of society at different periods of social development.