Assertion: neutrino's number | /r/CapableOf | remain constant
Facets:
value: in a decay
type: TEMPORAL
Source sentences:
text: A muon decaying to an electron for example must give off a muon neutrino so the muon number remains constant (as well as an electron anti-neutrino to balance the electron
text: The number of members in each family must remain constant in a decay.