This is another piece of infrastructure buildup before contracts. I'm
getting kinda tired of having to put paradox avoidance boilerplate all
over the place, so this consolidates it.

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Title: Conditionals and Determinacy
Adoption index: 3.0
Author: Aris
Co-author(s):

Create a power 3.0 rule entitled "Conditionals and Determinacy", with the
following text:

  A conditional is any textual structure that attempts to make a statement
  affecting any part or aspect of the gamestate (the substrate), or the
  permissibility or possibility of any action affecting such a part or aspect,
  dependent on the truth value or other state of a textual structure
  (the condition). The condition is said to be "affixed" to the substrate
  (inverse "to be conditional upon").

  A condition is inextricable if it is unclear, ambiguous, circular,
  inconsistent, paradoxical, depends on information that is impossible or
  unreasonably difficult to determine, or otherwise requires an unreasonable
  effort resolve; otherwise it is extricable. A conditional is inextricable if
  its condition is inextricable; otherwise it is extricable.

  A player SHOULD NOT use an inextricable conditional. A player SHALL NOT make
  an action taken by announcement conditional on an inextricable condition,
  and any such conditional is INVALID, and its substrate void and without
  effect; these restrictions should be interpreted in accordance with existing
  precedent, and this rule defers to judicial discretion and game custom.

  If a restricted value, or the value of a conditional, or a value otherwise
  required to determine the outcome of a restricted action, CANNOT be reasonably
  determined (without circularity or paradox) from information reasonably
  available, or if it alternates instantaneously and indefinitely between
  values, then the value is considered to be indeterminate, otherwise it is
  determinate.

  If an action would, as part of its effect, make a restricted value
  indeterminate, it is void and without effect unless it is explicitly permitted
  to do so by a rule; this restriction should be interpreted in accordance
  with existing precedent, and this rule defers to judicial discretion and
  game custom.


Amend Rule 1023, "Common Definitions", by removing the third item of the
top level list, and renumbering appropriately.
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-Aris

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