[MD] the indeterminate is the fundamental nature of the conditioned...

[MarshaV]

"Moreover, Nagarjuna (1966, p.251) shares Pirsig’s perception that the indeterminate (or Dynamic) is the fundamental nature of the conditioned (or static): 

    In their ultimate nature things are devoid of conditionedness and 
    contingency belongs to this level. This very truth is revealed by 
    also saying that all things ultimately enter the indeterminate dharma 
    or that within the heart of every conditioned entity (as its core, as its 
    true essence, as its very real nature) there is the indeterminate dharma. 
    While the one expresses the transcendence of the ultimate reality, the 
    other speaks of its immanence. The one says that the ultimate reality 
    is not an entity apart and wholly removed from the determinate, but is 
    the real nature of the determinate itself.

"Nagarjuna and Pirsig also have a similar recognition of two types of truth; the ‘static’ conventional truth (sammuti-sacca) and the ‘Dynamic’ ultimate truth (paramattha- sacca)."
     (MoQ Textbook)  

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"This is supported by Herbert Guenther 204 (1957, p.144) who adds: 

   Experience is the central theme of Buddhism, not theoretical postulation and 
   deductive verification. Since no experience occurs more than once and all 
   repeated experiences actually are only analogous occurrences, it follows that 
   a thing or material substance can only be said to be a series of events interpreted 
   as a thing, having no more substantiality than any other series of events we may 
   arbitrarily single out. 

"After some thought, I think Guenther’s comment is valid as I can’t think of any events that are repeated exactly. Moreover, like the concept of ‘self’, there’s no absolute objective rule to judge when one event starts and another stops. This means that any concept or term is fundamentally indeterminate, imprecise and, as time passes, increasingly less useful."
     (MoQ Textbook)  

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Marsha:
Btw, Anthony's 'MoQ Textbook' contains a wealth of comparisons with Buddhism.  It's definitely a resource worth reading.