For all things, for all locations y, for all locations z and for all times t, that a thing is in location y at time t and that y is not identical to z logically implies that that thing is not in location z at time t. (∀x)(∀y)(∀z)(∀t)((Lxyt∧x≠y)⇒¬Lxzt)
The principle of unique location
The principle of unique location
The principle of unique location
For all things, for all locations y, for all locations z and for all times t, that a thing is in location y at time t and that y is not identical to z logically implies that that thing is not in location z at time t. (∀x)(∀y)(∀z)(∀t)((Lxyt∧x≠y)⇒¬Lxzt)