“A → B” is true in any variable assignment where B is true if A is true.

It has always been mostly obvious to me.

Cool painting also.

Behind the waterfall there is a portal to australia.

Where meme?

They’re the same picture.

Think the other way around: What’s the use case for case insensitive file names? Does it justify the effort and complexity for the filesystem and the programs to know the difference between lower and upper space chars?