Passage from at least m in n in propositional logic to a MILP formula











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Would anyone have the kindness to show me the steps which permit through the CNF form to transform "at least m proposals on n" are true in an inequality about binaries variables the same for "at most" and for "exactly". In all publications about that I find only the results and I fail to demonstrate the formula.



"at least m P_i on n" <=> p_1 + ....+ p_n >= m
where p_i is the boolean variable associate to the proposition P_i










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    up vote
    0
    down vote

    favorite












    Would anyone have the kindness to show me the steps which permit through the CNF form to transform "at least m proposals on n" are true in an inequality about binaries variables the same for "at most" and for "exactly". In all publications about that I find only the results and I fail to demonstrate the formula.



    "at least m P_i on n" <=> p_1 + ....+ p_n >= m
    where p_i is the boolean variable associate to the proposition P_i










    share|cite|improve this question
























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      Would anyone have the kindness to show me the steps which permit through the CNF form to transform "at least m proposals on n" are true in an inequality about binaries variables the same for "at most" and for "exactly". In all publications about that I find only the results and I fail to demonstrate the formula.



      "at least m P_i on n" <=> p_1 + ....+ p_n >= m
      where p_i is the boolean variable associate to the proposition P_i










      share|cite|improve this question













      Would anyone have the kindness to show me the steps which permit through the CNF form to transform "at least m proposals on n" are true in an inequality about binaries variables the same for "at most" and for "exactly". In all publications about that I find only the results and I fail to demonstrate the formula.



      "at least m P_i on n" <=> p_1 + ....+ p_n >= m
      where p_i is the boolean variable associate to the proposition P_i







      propositional-calculus






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      share|cite|improve this question











      share|cite|improve this question




      share|cite|improve this question










      asked Nov 24 at 8:30









      cyrille.piatecki

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