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[t x <txrev319 AT gmail.com>]

Hi,

  I'm trying to design a tactic that inverts everything possible to invert.

  Here is my minimal failure case:

https://gist.github.com/anonymous/6313270

  My current code infinite loops. Two "obvious solutions seems to be"

(1) if there is a way to separate "Consrtructor" from "Function", then, the infinite loop is easy to fix.

(2) If there is a way detect "is result of 'inversion' same as Hypothesis?' --> and force a fail

Can anyone tell me how to do either (1) or (2)?

Thanks!