Does "depends on" introduce the necessary condition? Forum

[jesuis]

In thinking about this question to write this post, I've answered my own question, but I'll put it out here for others who may be interested...

I came across this in PT24 (Section 2, Question 23), where the stimulus essentially states that X depends on Y. At first glance, I thought that Y -> X, but after thinking about it, it's obvious that X -> Y, since X depends on something (Y) happening in order to be X. In other words, X can't just be X, it requires (depends on) Y.

[dakatz]

If X depends on Y, then Y is the necessary condition. You can't have X without Y because (obviously), X depends on Y.

[jesuis]

indeed.