Cum causal regularly takes the Subjunctive; as, -- quae cum Ä«ta sint, _since this is so_; cum sÄ«s mortÄlis, quae mortÄlia sunt, cÅ«rÄ, _since you are mortal, care for what is mortal_.a. Note the phrase cum praesertim (praesertim cum), _especially since; _ as, --
_All men are mortal, Socrates is a man, Therefore Socrates is mortal_.
At best, matter is only a phenomenon of mortal mind, of which evil is the highest degree; but really there is no such thing as _mortal mind_, -- though we are compelled to use the phrase in the endeavor to express the underlying thought.
_mortal_, from _mort_, a great quantity, is used as a particle of amplification; as _mortal tall, mortal little_.
Plato is mortal, "will be necessary if either Socrates or _man_ is chosen as argument, but not if Plato or _mortal_ is chosen.