Just triple checking, and I don't care about the results: is this the same methodology?
I'm certainly not sure about Ludwig Lachmann, but in The Economic Point of View Israel Kirzner comes off as a strong praxeologist. But, The Economic Point of View was based on his doctoral thesis, which was done partially under Mises (I believe), and so it wouldn't be fair to assume that Kirzner's views did not change over time (I'm not suggesting they did; just that it's a possibility).
here we go:
http://mises.org/mofase/ch7.asp
I am going to start the Legacy of Max Weber in a week or two, hopefully that will clarify.