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In metaphysics, impenetrability is the name given to that quality of matter whereby two bodies cannot occupy the same space at the same time. The philosopher John Toland argued that impenetrability and extension were sufficient to define matter, a contention strongly disputed by Gottfried Wilhelm von Leibniz.
In quantum mechanics, the Pauli exclusion principle (German: Pauli-Ausschlussprinzip) states that two or more identical particles with half-integer spins (i.e. fermions) cannot simultaneously occupy the same quantum state within a system that obeys the laws of quantum mechanics.
The observation that matter occupies space goes back to antiquity. However, an explanation for why matter occupies space is recent, and is argued to be a result of the phenomenon described in the Pauli exclusion principle, [33] [34] which applies to fermions. Two particular examples where the exclusion principle clearly relates matter to the ...
In other words, more than one identical particle cannot occupy an antisymmetric state (one antisymmetric state can be occupied only by one particle). This is known as the Pauli exclusion principle , and it is the fundamental reason behind the chemical properties of atoms and the stability of matter .
Compenetration refers to two or more extensions occupying the same space at the same time. This, according to scholastic philosophers, is impossible; according to this view, only spirits or spiritualized matter can occupy a place occupied already by an entity (matter or spirit)
An executive chair leads to corporate confusion: ‘Two people cannot occupy the same space and make the same decisions’ Alan Murray, Nicholas Gordon September 8, 2023 at 12:21 AM
Impenetrability, that quality of matter whereby two bodies cannot occupy the same space at the same time; Penetration (disambiguation)
Alex and I were close. We had lived together for a year. I was kind of amazed that I was not aware of this huge thing. But at the same time, a lot of things made sense, a lot of things were put in perspective. It made sense really clearly for the first time that Alex’s being distant or shut-off was related to his brother’s death.