Remarks on Colour line that 'There is no such thing as phenomenology, though there are phenomenological problems.' He was content to regard Goethe's observations as a kind of logic or geometry. Wittgenstein took his examples from the Runge letter included in the "Farbenlehre", e.g. "White is the lightest colour", "There cannot be a transparent white", "There cannot be a reddish green", and so on. The logical status of these propositions in Wittgenstein's investigation, including their relation to physics, was discussed in Jonathan Westphal's "Colour: a Philosophical Introduction" (1991). Although "Remarks on Colour" is considered difficult on account of its fragmentation, his last work,
Colour revolution affairs that destabilize economy, conflict with the law and represent a new form of warfare. President Vladimir Putin said that Russia must prevent colour revolutions: "We see what tragic consequences the wave of so-called colour revolutions led to. For us this is a lesson and a warning. We should do everything necessary so that nothing similar ever happens in Russia". 2018 "Gilets Jaunes" yellow-vest protests in France follow the same pattern as prior Color Revolutions, and many reports indicate that French protests are "goose sauce" tit-for-tat payback operations undertaken by Russia as part of ongoing harassment and subversion activities directed