Quote from: S1r_4zdr3w on Dec 13, 2024, 10:17 AMQ1: is it possible to stop Tau from running? just curious.

For example I did the example o1[t] = 0, I run it and then Tau ask me, "no inputs vars defined, how many steps do you want to perform?" I put a large number for testing (10,000) and its not stopping till it reach that number, it's actually amazing to see it run.  Is there a key I can type to stop it?

Q2: Also, does the result stored in my computer or if I entered cleared, it will remove everything?

Thanks!

A1: If you compile an up to date version from Github, there is a new mechanism of execution that goes through steps one by one. One can stop the execution by pressing q followed by enter, otherwise pressing the enter key on its own continues to the next step.

A2: If you declared your output variable, say o1, to the standard output i.e. 'sbf o1 = console' then it won't store the results.
But results can easily be stored in a text file by changing that output variable declaration into 'sbf o1 = ofile("my_output1.txt")' for instance.
One can also store the output in a different location by providing a full path like: 'sbf o1=("/tmp/tmp_tau1.out")' so the output from o1 goes to /tmp in this example, instead of the tau executable location.

Hi Lucca,

Thank you for your response. A follow up question.

Q1: is it possible to stop Tau from running? just curious.

For example I did the example o1[t] = 0, I run it and then Tau ask me, "no inputs vars defined, how many steps do you want to perform?" I put a large number for testing (10,000) and its not stopping till it reach that number, it's actually amazing to see it run.  Is there a key I can type to stop it?

Q2: Also, does the result stored in my computer or if I entered cleared, it will remove everything?

Thanks!

Hi S1r_4zdr3w,

your conclusion is correct. The first one is a Boolean function which is passed to the normalizer while the second one is a Tau formula.

Best,
Lucca

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Tau Formula:

tau => "(" tau "&&" tau ")" | "!" tau | "(" tau "^" tau ")" | "(" tau "||" tau ")"
    | "(" tau "->" tau ")" | "(" tau "<->" tau ")" | "(" tau "?" tau ":" tau ")"
    | "(" term "=" term ")" | "(" term "!=" term ")" | "("term "<" term")"
    | "("term "!<" term")"    | "(" term "<=" term ")" | "(" term "!<=" term ")"
    | "(" term ">" term ")"    | "(" term "!>" term ")" | "all" var tau
    | "ex" var tau | tau_ref | T | F.

Boolean Functions:

term => "("term "&" term")" | term "'" | "("term "+" term")" | "("term "|" term")"
    | term_ref | constant | uninterpreted_constant | var | "0" | "1".


So this explains why the first formula gives 1 while the 2nd formula gives T. This is because Tau sees the 1st formula to be a Boolean Function while the 2nd formula to be Tau Formula.

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Taunx very much for the update!

Hi guys, any idea why when normalizing these formula, one gave me a result of 1 and the other gave me a result of T. My guess is that the first formula Tau treat it as BA formula while the second formula, Tau treat it as Tau formula. Am I correct or missing something?