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Single Idea 14545

[from 'System of Logic' by John Stuart Mill, in 26. Natural Theory / C. Causation / 9. General Causation / d. Causal necessity ]

Full Idea

We may define the cause of a phenomenon to be the antecedent, or the concurrence of the antecedents, on which it is invariably and unconditionally consequent.

Gist of Idea

A cause is an antecedent which invariably and unconditionally leads to a phenomenon

Source

John Stuart Mill (System of Logic [1843], 3.05.6)

Book Reference

Mill,John Stuart: 'System of Logic (9th ed, 2 vols)' [Longmans, Green etc 1875], p.392


A Reaction

This ignores the possibility of the world ending just before the effect occurs, the 'ceteris paribus' clause. If it only counts as a cause if the effect has actually occurred, we begin to suspect tautology.