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hi Thanh Vân
i tried to find the maximum value of the left part which is for a=b=c=3 and equals (3√2)/2, and the minimum value of the right part which is for a=b=c=1 and equals (9√2)/2 ,so for any other possible values for a,b and c the inequality will always be true.i think this is not the prefered method for solving this kind of problems but it is the only one i could come up with.
hi ganesh
hi iwan_ccie
there are several ways to determine if a proposition is a tautology or a contradiction.
the easiest one is to make a table,make columns for all the boolean variables and then plug them into the equation and if the equation is always true then it is a tautology,and if it is always incorrect than it is a contradiction.
the other one works only when you have to prove that it is a tautology.it is called reductio ad absurdum.
hi iwan_ccie
first one is a contradiction
second one is a contradiction
third one is a tautology
fourth one is contingent
and the fifth one is also contingent.
hi zee-f
that is incorrect.how did you get that answer?
hi zee-f
that is correct.
hi zee-f
yes that is correct,but try to get a power of ten in the numerator.
hi iwan_ccie
your welcome.glad you understood.
hi bobbym
thanks for the link,but i am looking for an offline editor,so to say.
hi iwan_ccie and bobbym
here's the stuff you need from the link bobbym mentioned in his post:
" For example consider the set B = {1, 2, {3, 4}}. The elements of B are not 1, 2, 3, and 4. Rather, there are only three elements of B, namely the numbers 1 and 2, and the set {3, 4}."
hi all,
Lately i have been interested in finding an editor for LaTeX that i could write LaTeX and also print it or something like that.Can anybody tel me about such programs?
hi iwan_ccie
the elements you counted are subsets and subsubsets of our set but they are not counted as elements of our set.
hi iwan_ccie
the given set has two elements:
one of them is 9,
the other one is the set {1,2,{3},{4,5},6,{{7},8}}
hi ganesh
hi ganesh
hi ganesh
hi iwan_ccie
a closed walk is only when the first and the last letter are the same.
an allowed walk is the one that includes a vertex that is unmarked on your image.
your welcome.
hi iwan_ccie
this is a kind of question i don't encounter very much.where did you get this?
as for the question itself if the route ABCDEBA is considered closed and allowed than so should it be ABCBA.
hi ganesh
hi ICKGeek
yes you are right.
well i would certainly like to play but unfortunately i can't PM
hi zee-f
for 16 it is not f
hi bobbym
yup that's what i'm getting
hi bobbym
you're right,i'm getting closer to 0.42 for the peanut part