Liquids, gels, aerosols, creams and pastes must be 3.4 ounces (100ml) or less per container; must be in 1 quart-sized, clear, plastic, zip-top bag; 1 bag per passenger placed in screening bin. The bag limits the total liquid volume each traveler can bring.
Metaphysics is a traditional branch of philosophy concerned with explaining the fundamental nature of being and the world that encompasses it, although the term is not easily defined.
Philosophy[edit] 1  Hypokeimenon, or subiectum, in metaphysics, the internal, non-objective being of a thing. 2  Subject (philosophy), a being that has subjective experiences, subjective consciousness, or a relationship with another entity.  Subject (grammar), who or what a sentence or a clause is about.