Question About Strongs Concordance

[Praxeas]

So John 10:30 Strongs says Heis. Heis, according to Strongs includes Hen and Mia....so which one is at Jn 10:30?

I look at my greek version and it says it is the neuter form (Hen)...

I can compare that with RWP and he says it is Hen.

RWP is a commentary by Robertson Word Pictures, which often includes a lot of greek in it.

I also have Vincents which does the same