Assertion: proton | /r/HasProperty | fermion
Facets:
Source sentences:
text: Since it has a spin of -1/2, it is a fermion.
text: This is because protons and neutrons are fermions, which according to the Pauli exclusion principle cannot exist in the same nucleus in exactly the same state.
text: Protons and neutrons are fermions, with different values of the strong isospin quantum number, so two protons and two neutrons can share the same space wave function since they are not identical quantum entities.