Are all Mitzvahs related to an action in thought speech or deed?
I always thought that there are mitzvot "to do" and "not to do". But it seems some mitzvot are not related to an action to "do", but are listed under an alternative characterisation, for example that some things are not pure, that some things make other things impure etc.
It seems they are just stating a fact, which is independent of a person's action, so no way to violate it.
For example Rambam's positive Mitzvah 96 and the next few