On Dec 29, 2013, at 3:31 PM, Kerim Aydin wrote:
> On Sun, 29 Dec 2013, Tanner Swett wrote:
>> I might say something like this: "The behavior of the game is specified by 
>> the 
>> rules themselves, not by the logical consequences of the rules. In 
>> particular, 
>> if the rules logically entail that an event does or does not take place, 
>> this 
>> does not necessarily cause the event to take place or to fail to take place."
> 
> Hmm, in your first proposed sentence, the issue with that wording 
> is that all of the game is the result of the (common-sense) logical 
> consequences of the rules, not the rules themselves.   The rules don't 
> specify that "G. is a player".  They specify "If someone is a person, 
> and has registered, then [the logical consequence is that] they are a 
> player" and we track the instances of that line of reasoning.  At least
> that's my reading.

Yeah, I guess that "specified by the rules themselves" doesn't really mean what 
I want it to mean. But I don't think we want the game to be governed by logical 
consequences, either. Something *like* logical consequences, yes, but something 
else.

I think most of the statements in the rules (other than definitions) can be 
interpreted as statements of the form "whenever X happens/is true, Y happens". 
The sentence "The Promotor CAN distribute a proposal which is in the Proposal 
Pool at any time" means "whenever a proposal is in the Pool and the Promotor 
announces that e distributes it, e distributes it". The (hypothetical and 
admittedly contrived) sentence "If a person CAN assume Promotor, then e CANNOT 
assume Assessor" means "whenever a person CAN assume Promotor, every 
instruction that e assume Assessor is void", which is clearly different from 
the other way around.

So I might say that the game's behavior, instead of being determined by some 
unspecified non-classical logic, is determined by some unspecified operational 
semantics.

—Aru

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