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3 changes: 1 addition & 2 deletions docs/source/usage.rst
Original file line number Diff line number Diff line change
Expand Up @@ -31,8 +31,7 @@ To instantiate a scenario, simply provide a set of variables and an optional set

Note that scenario constraints are primarily intended to help specify the region of the input space under test in a
manner consistent with the Category Partition Method. It is not intended to serve as a test oracle. Use constraints
sparingly and with caution to avoid introducing data selection bias. We use Z3 to handle constraints. For help with
this, check out `their documentation <https://ericpony.github.io/z3py-tutorial/guide-examples.htm>`_.
sparingly and with caution to avoid introducing data selection bias.

Having fully specified the modelling scenario, we are now ready to test. Causal tests are,
essentially `metamorphic tests <https://en.wikipedia.org/wiki/Metamorphic_testing>`_ which are executed using statistical
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