I have a big file of DNF which has 500 clause, each clause has upto 50  
literals. now i
was trying to do the cnf conversion using HOL4 Kan4 release.

load "tautLib";
open tautLib;
load "defCNF";
open defCNF;

time defCNF.DEF_CNF_VECTOR_CONV ``<my BIG input>``;

Whenever i do this it returns me an exception "Ptetty Printer: out_of_memory".
Seems like this is a problem because HOL is running out of memory  
while printing the output on screen. So is there any way to do the  
computation in background rather in printing on screen ?? All i need  
is the time of that cnf computation, i dont need to see the output. I  
am sure there is a way to do this... can anyone help me ?? Its more  
than urgent....

regards
-- 
Khaza Anuarul Hoque, B.Sc Engr
M.A.Sc Student, Dept. of ECE
Concordia University, Montreal, Canada
Web: http://users.encs.concordia.ca/~k_hoque






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