Equivalent

Definition and stakes

Portrait of Robert Boyle Robert Boyle,  The Sceptical Chymist

“ But that being Gentlemen and very far from the litigious humour of loving to wrangle about words or terms or notions as empty; they had before his coming in, readily agreed promiscuously to use when they pleased, Elements and Principles as terms equivalent: and to understand both by the one and the other, those primitive and simple Bodies of which the mixt ones are said to be composed, and into which they are ultimately resolved. ”
Source: Gutenberg

Portrait of Karl Marx Karl Marx,  Das Kapital (1906)

“ Equality, because each enters into relation with the other, as with a simple owner of commodities, and they exchange equivalent for equivalent. Property, because each disposes only of what is his own. ”
Source: Wikisource

Portrait of Karl Marx Karl Marx,  A Contribution to the Critique of Political Economy (1904)

“ It is rather the commensurability of commodities as incorporated labor-time, that turns gold into money.
Commodities enter the process of exchange in the concrete form of use-values. They are yet to be turned into the real universal equivalent through their alienation. The determination of their prices merely amounts to their ideal transformation into the universal equivalent, a process of equation to gold which is yet to be realized.
”
Source: Wikisource

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