theorem
PiBase.instHasSigmaLocallyFiniteNetworkOfSigmaSpace
{X : Type u}
[TopologicalSpace X]
[SigmaSpace X]
:
Theorem T147: P177 (SigmaSpace) => P117 (HasSigmaLocallyFiniteNetwork)
Theorem T147: P177 (SigmaSpace) => P117 (HasSigmaLocallyFiniteNetwork)