As a layperson on the subject, I would say mostly yes (or understood as valid subjects where the definition is slippery) going by the philosophy I've read. Sta

As a layperson on the subject, I would say mostly yes (or understood as valid subjects where the definition is slippery) going by the philosophy I've read. Stanford Encyclopedia of Philosophy is a particularly good resource to add as a search term to subjects you want more info on, as well as the usual suspects (wikipedia etc).