Full Idea
The problem for the causal analysis of temporal asymmetry is to come up with a definition of causation that does not itself rely on the concept of temporal asymmetry.
Gist of Idea
To define time's arrow by causation, we need a timeless definition of causation
Source
Adrian Bardon (Brief History of the Philosophy of Time [2013], 5 'Causal')
Book Reference
Bardon,Adrian: 'Brief History of the Philosophy of Time' [OUP 2013], p.118
A Reaction
This is the point at which my soul cries out 'time is a primitive concept!' Leibniz want to use dependency to define time's arrow, but how do you specify dependency if you don't know which one came first?